[codecs filter] msc_vlr_test_call: test codecs resolution

Show that the codecs filter now works as expected in call messaging.

Related: SYS#5066
Change-Id: I879ec61f523ad4ffc69a0b02810591f7c0261ff9

4 files changed, 3669 insertions, 8 deletions

diff --git a/tests/msc_vlr/msc_vlr_test_call.c b/tests/msc_vlr/msc_vlr_test_call.c
index 07c6e135d..2c67c1ef6 100644
--- a/tests/msc_vlr/msc_vlr_test_call.c
+++ b/tests/msc_vlr/msc_vlr_test_call.c
@@ -24,6 +24,7 @@
 #include "msc_vlr_tests.h"
 
 #include <osmocom/msc/gsm_04_08.h>
+#include <osmocom/msc/codec_mapping.h>
 
 #define mncc_sends_to_cc(MSG_TYPE, MNCC) do { \
 		(MNCC)->msg_type = MSG_TYPE; \
@@ -163,6 +164,44 @@ static void lu_utran_tmsi()
 	vlr_subscr_put(vsub, __func__);
 }
 
+static void lu_geran_noauth(void)
+{
+	rx_from_ran = OSMO_RAT_GERAN_A;
+	net->authentication_required = false;
+	net->vlr->cfg.assign_tmsi = false;
+
+	btw("Location Update request causes a GSUP LU request to HLR");
+	lu_result_sent = RES_NONE;
+	gsup_expect_tx("04010809710000000156f0280102" VLR_TO_HLR);
+	ms_sends_msg("0508" /* MM LU */
+		     "7" /* ciph key seq: no key available */
+		     "0" /* LU type: normal */
+		     "09f107" "0017" /* LAI, LAC */
+		     "57" /* classmark 1: R99, early classmark, no power lvl */
+		     "089910070000106005" /* IMSI */
+		     "3303575886" /* classmark 2 */
+		     );
+	OSMO_ASSERT(gsup_tx_confirmed);
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT");
+	gsup_rx("10010809710000000156f00804036470f1" HLR_TO_VLR,
+		"12010809710000000156f0" VLR_TO_HLR);
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+	btw("HLR also sends GSUP _UPDATE_LOCATION_RESULT");
+	expect_bssap_clear();
+	gsup_rx("06010809710000000156f0" HLR_TO_VLR, NULL);
+
+	btw("LU was successful, and the conn has already been closed");
+	VERBOSE_ASSERT(lu_result_sent, == RES_ACCEPT, "%d");
+	VERBOSE_ASSERT(bssap_clear_sent, == true, "%d");
+
+	ran_sends_clear_complete();
+	EXPECT_CONN_COUNT(0);
+}
+
+
 static void test_call_mo()
 {
 	struct gsm_mncc mncc = {
@@ -719,6 +758,691 @@ static void test_call_mo_to_unknown_timeout()
 	comment_end();
 }
 
+#define LIST_END 0xffff
+
+struct codec_test {
+	const char *desc;
+
+	/* What to send during Complete Layer 3 as Codec List (BSS Supported). List ends with a LIST_END entry */
+	enum gsm0808_speech_codec_type mo_rx_compl_l3_codec_list_bss_supported[8];
+
+	/* What to send during CC Setup as MS Bearer Capability. List ends with a LIST_END entry */
+	enum gsm48_bcap_speech_ver mo_rx_ms_bcap[8];
+
+	/* What codecs should osmo-msc send in the MNCC_SETUP_IND message.
+	 * Just the SDP subtype names like "GSM", "GSM-EFR", "AMR", ..., list ends with NULL entry */
+	const char *mo_tx_sdp_mncc_setup_ind[8];
+
+	/* What codecs the remote call leg should send as SDP via MNCC during MNCC_RTP_CREATE (if any). */
+	const char *mo_rx_sdp_mncc_rtp_create[8];
+
+	/* What the MSC should send as Channel Type IE in the Assignment Command to the BSS. List ends with a
+	 * LIST_END entry */
+	enum gsm0808_permitted_speech mo_tx_assignment_perm_speech[8];
+
+	/* What codec to assign in the Assignment Complete's Codec (Chosen) IE. Just a subtype name. */
+	const char *mo_rx_assigned_codec;
+
+	/* MO acks the MNCC_RTP_CREATE with these codecs (if any). */
+	const char *mo_tx_sdp_mncc_rtp_create[8];
+
+	/* mt_rx_sdp_mncc_setup_req == mo_tx_sdp_mncc_rtp_create */
+#define mt_rx_sdp_mncc_setup_req  mo_tx_sdp_mncc_rtp_create
+
+	enum gsm0808_speech_codec_type mt_rx_compl_l3_codec_list_bss_supported[8];
+	bool expect_codec_mismatch_on_paging_response;
+	enum gsm48_bcap_speech_ver mt_tx_cc_setup_bcap[8];
+	enum gsm48_bcap_speech_ver mt_rx_ms_bcap[8];
+	bool expect_codec_mismatch_on_cc_call_conf;
+	const char *mt_tx_sdp_mncc_call_conf_ind[8];
+
+	enum gsm0808_permitted_speech mt_tx_assignment_perm_speech[8];
+	const char *mt_rx_assigned_codec;
+
+	const char *mt_rx_sdp_mncc_rtp_create[8];
+	const char *mt_tx_sdp_mncc_rtp_create[8];
+
+	const char *mt_tx_sdp_mncc_alert_ind[8];
+	const char *mt_tx_sdp_mncc_setup_cnf[8];
+	const char *mt_rx_sdp_mncc_setup_compl_req[8];
+
+	/* mo_rx_sdp_mncc_alert_req == mt_tx_sdp_mncc_alert_ind */
+#define mo_rx_sdp_mncc_alert_req  mt_tx_sdp_mncc_alert_ind
+#define mo_rx_sdp_mncc_setup_rsp  mt_tx_sdp_mncc_alert_ind
+
+	const char *mo_tx_sdp_mncc_setup_compl_ind[8];
+};
+
+#define CODEC_LIST_ALL_GSM { \
+			GSM0808_SCT_FR1, \
+			GSM0808_SCT_FR2, \
+			GSM0808_SCT_FR3, \
+			GSM0808_SCT_HR1, \
+			GSM0808_SCT_HR3, \
+			LIST_END \
+		}
+
+#define BCAP_ALL_GSM { \
+			GSM48_BCAP_SV_AMR_F, \
+			GSM48_BCAP_SV_AMR_H, \
+			GSM48_BCAP_SV_AMR_OH, \
+			GSM48_BCAP_SV_EFR, \
+			GSM48_BCAP_SV_FR, \
+			GSM48_BCAP_SV_HR, \
+			LIST_END \
+		}
+
+#define PERM_SPEECH_ALL_GSM { \
+			GSM0808_PERM_FR3, \
+			GSM0808_PERM_HR3, \
+			GSM0808_PERM_FR2, \
+			GSM0808_PERM_FR1, \
+			GSM0808_PERM_HR1, \
+			LIST_END \
+		}
+
+#define SDP_CODECS_ALL_GSM { \
+			"AMR", \
+			"GSM-EFR", \
+			"GSM", \
+			"GSM-HR-08", \
+		}
+
+static const struct codec_test codec_tests[] = {
+	{
+		.desc = "AMR picked by both MO and MT",
+		.mo_rx_compl_l3_codec_list_bss_supported = CODEC_LIST_ALL_GSM,
+		.mo_rx_ms_bcap = BCAP_ALL_GSM,
+		.mo_tx_sdp_mncc_setup_ind = SDP_CODECS_ALL_GSM,
+		.mo_rx_sdp_mncc_rtp_create = {},
+		.mo_tx_assignment_perm_speech = PERM_SPEECH_ALL_GSM,
+		.mo_rx_assigned_codec = "AMR",
+		.mo_tx_sdp_mncc_rtp_create = { "AMR" },
+		/* mt_rx_sdp_mncc_setup_req == mo_tx_sdp_mncc_rtp_create */
+		.mt_rx_compl_l3_codec_list_bss_supported = CODEC_LIST_ALL_GSM,
+		.mt_tx_cc_setup_bcap = {
+			GSM48_BCAP_SV_AMR_F,
+			GSM48_BCAP_SV_AMR_H,
+			GSM48_BCAP_SV_AMR_OH,
+			LIST_END
+		},
+		.mt_rx_ms_bcap = BCAP_ALL_GSM,
+		.mt_tx_sdp_mncc_call_conf_ind = {},
+		.mt_rx_sdp_mncc_rtp_create = {},
+		.mt_tx_assignment_perm_speech = { GSM0808_PERM_FR3, GSM0808_PERM_HR3, LIST_END },
+		.mt_rx_assigned_codec = "AMR",
+		.mt_tx_sdp_mncc_rtp_create = { "AMR" },
+		.mt_tx_sdp_mncc_alert_ind = { "AMR" },
+		.mt_tx_sdp_mncc_setup_cnf = { "AMR" },
+		.mo_tx_sdp_mncc_setup_compl_ind = {},
+	},
+
+	{
+		.desc = "FR1 picked by MO from Codec List (BSS Supported), MT hence also picks FR1",
+		.mo_rx_compl_l3_codec_list_bss_supported = { GSM0808_SCT_FR1, LIST_END },
+		.mo_rx_ms_bcap = BCAP_ALL_GSM,
+		.mo_tx_sdp_mncc_setup_ind = { "GSM" },
+		.mo_rx_sdp_mncc_rtp_create = {},
+		.mo_tx_assignment_perm_speech = { GSM0808_PERM_FR1, LIST_END },
+		.mo_rx_assigned_codec = "GSM",
+		.mo_tx_sdp_mncc_rtp_create = { "GSM" },
+		/* .mt_rx_sdp_mncc_setup_req == .mo_tx_sdp_mncc_setup_ind */
+		.mt_rx_compl_l3_codec_list_bss_supported = CODEC_LIST_ALL_GSM,
+		.mt_tx_cc_setup_bcap = { GSM48_BCAP_SV_FR, LIST_END },
+		.mt_rx_ms_bcap = BCAP_ALL_GSM,
+		.mt_tx_sdp_mncc_call_conf_ind = {},
+		.mt_rx_sdp_mncc_rtp_create = {},
+		.mt_tx_assignment_perm_speech = { GSM0808_PERM_FR1, LIST_END },
+		.mt_rx_assigned_codec = "GSM",
+		.mt_tx_sdp_mncc_rtp_create = { "GSM" },
+		.mt_tx_sdp_mncc_alert_ind = { "GSM" },
+		.mt_tx_sdp_mncc_setup_cnf = { "GSM" },
+		.mo_tx_sdp_mncc_setup_compl_ind = {},
+	},
+
+	{
+		.desc = "FR1 picked by MO from Bearer Cap, MT hence also picks FR1",
+		.mo_rx_compl_l3_codec_list_bss_supported = CODEC_LIST_ALL_GSM,
+		.mo_rx_ms_bcap = { GSM48_BCAP_SV_FR, LIST_END },
+		.mo_tx_sdp_mncc_setup_ind = { "GSM" },
+		.mo_rx_sdp_mncc_rtp_create = {},
+		.mo_tx_assignment_perm_speech = { GSM0808_PERM_FR1, LIST_END },
+		.mo_rx_assigned_codec = "GSM",
+		.mo_tx_sdp_mncc_rtp_create = { "GSM" },
+		/* .mt_rx_sdp_mncc_setup_req == .mo_tx_sdp_mncc_setup_ind */
+		.mt_rx_compl_l3_codec_list_bss_supported = CODEC_LIST_ALL_GSM,
+		.mt_tx_cc_setup_bcap = { GSM48_BCAP_SV_FR, LIST_END },
+		.mt_rx_ms_bcap = BCAP_ALL_GSM,
+		.mt_tx_sdp_mncc_call_conf_ind = {},
+		.mt_rx_sdp_mncc_rtp_create = {},
+		.mt_tx_assignment_perm_speech = { GSM0808_PERM_FR1, LIST_END },
+		.mt_rx_assigned_codec = "GSM",
+		.mt_tx_sdp_mncc_rtp_create = { "GSM" },
+		.mt_tx_sdp_mncc_alert_ind = { "GSM" },
+		.mt_tx_sdp_mncc_setup_cnf = { "GSM" },
+		.mo_tx_sdp_mncc_setup_compl_ind = {},
+	},
+
+	{
+		.desc = "FR1 picked by MT's Codec List (BSS Supported), hence MO also picks FR1 (EXPECTED FAILURE)",
+		/* Currently the MO Assignment happens before MT gets a chance to send its available codecs.
+		 * So even though the MO side would be able to assign FR1 and match MT, this is established too late
+		 * and MO mismatches MT. This can only be fixed by a) moving MO Assignment to after MT Assignment
+		 * or b) doing a Channel Mode Change or re-assignment after MT Assignment -- since re-assigning might
+		 * need an lchan type change and means more overhead, a) would be the best option. */
+		.mo_rx_compl_l3_codec_list_bss_supported = CODEC_LIST_ALL_GSM,
+		.mo_rx_ms_bcap = BCAP_ALL_GSM,
+		.mo_tx_sdp_mncc_setup_ind = SDP_CODECS_ALL_GSM,
+		.mo_rx_sdp_mncc_rtp_create = {},
+		.mo_tx_assignment_perm_speech = PERM_SPEECH_ALL_GSM,
+		.mo_rx_assigned_codec = "AMR", /* <- Early Assignment means codec mismatch */
+		.mo_tx_sdp_mncc_rtp_create = { "AMR" },
+
+		.mt_rx_compl_l3_codec_list_bss_supported = { GSM0808_SCT_FR1, LIST_END },
+		.expect_codec_mismatch_on_paging_response = true,
+		/* The mismatching codec AMR vs. GSM means the call fails (in the lack of transcoding) */
+	},
+
+	{
+		.desc = "FR1 picked by MT's MS Bearer Capability, hence MO also picks FR1 (EXPECTED FAILURE)",
+		/* Like above, MO Assignment happens too early to be able to match MT's codec availability. */
+		.mo_rx_compl_l3_codec_list_bss_supported = CODEC_LIST_ALL_GSM,
+		.mo_rx_ms_bcap = BCAP_ALL_GSM,
+		.mo_tx_sdp_mncc_setup_ind = SDP_CODECS_ALL_GSM,
+		.mo_rx_sdp_mncc_rtp_create = {},
+		.mo_tx_assignment_perm_speech = PERM_SPEECH_ALL_GSM,
+		.mo_rx_assigned_codec = "AMR", /* <- Early Assignment means codec mismatch */
+		.mo_tx_sdp_mncc_rtp_create = { "AMR" },
+
+		.mt_rx_compl_l3_codec_list_bss_supported = CODEC_LIST_ALL_GSM,
+		.mt_tx_cc_setup_bcap = {
+			GSM48_BCAP_SV_AMR_F,
+			GSM48_BCAP_SV_AMR_H,
+			GSM48_BCAP_SV_AMR_OH,
+			LIST_END
+		},
+		.mt_rx_ms_bcap = { GSM48_BCAP_SV_FR, LIST_END },
+		.mt_tx_sdp_mncc_call_conf_ind = {},
+		.mt_rx_sdp_mncc_rtp_create = {},
+		.mt_tx_assignment_perm_speech = { GSM0808_PERM_FR3, GSM0808_PERM_HR3, LIST_END },
+		.expect_codec_mismatch_on_cc_call_conf = true,
+		/* The mismatching codec AMR vs. GSM means the call fails (in the lack of transcoding) */
+	},
+
+};
+
+static char namebuf[4][1024];
+static int use_namebuf = 0;
+
+static const char *codec_list_name(const enum gsm0808_speech_codec_type compl_l3_codec_list_bss_supported[])
+{
+	struct osmo_strbuf sb = { .buf = namebuf[use_namebuf], .len = sizeof(namebuf[0]) };
+	use_namebuf = (use_namebuf + 1) % ARRAY_SIZE(namebuf);
+
+	const enum gsm0808_speech_codec_type *pos;
+	sb.buf[0] = '\0';
+	for (pos = compl_l3_codec_list_bss_supported; *pos != LIST_END; pos++)
+		OSMO_STRBUF_PRINTF(sb, " %s", gsm0808_speech_codec_type_name(*pos));
+	return sb.buf;
+}
+
+static const struct gsm0808_speech_codec_list *codec_list(const enum gsm0808_speech_codec_type compl_l3_codec_list_bss_supported[])
+{
+	static struct gsm0808_speech_codec_list scl;
+	scl = (struct gsm0808_speech_codec_list){};
+	const enum gsm0808_speech_codec_type *pos;
+	for (pos = compl_l3_codec_list_bss_supported; *pos != LIST_END; pos++) {
+		scl.codec[scl.len] = (struct gsm0808_speech_codec){
+			.fi = true,
+			.type = *pos,
+		};
+		scl.len++;
+	}
+	return &scl;
+}
+
+static const char *bcap_name(const enum gsm48_bcap_speech_ver ms_bcap[])
+{
+	struct osmo_strbuf sb = { .buf = namebuf[use_namebuf], .len = sizeof(namebuf[0]) };
+	use_namebuf = (use_namebuf + 1) % ARRAY_SIZE(namebuf);
+
+	const enum gsm48_bcap_speech_ver *pos;
+	sb.buf[0] = '\0';
+	for (pos = ms_bcap; *pos != LIST_END; pos++) {
+		const struct codec_mapping *m = codec_mapping_by_speech_ver(*pos);
+		OSMO_STRBUF_PRINTF(sb, " %s", m ? m->sdp.subtype_name : "NULL");
+	}
+	return sb.buf;
+}
+
+static const char *perm_speech_name(const enum gsm0808_permitted_speech perm_speech[])
+{
+	struct osmo_strbuf sb = { .buf = namebuf[use_namebuf], .len = sizeof(namebuf[0]) };
+	use_namebuf = (use_namebuf + 1) % ARRAY_SIZE(namebuf);
+
+	const enum gsm0808_permitted_speech *pos;
+	sb.buf[0] = '\0';
+	for (pos = perm_speech; *pos != LIST_END; pos++)
+		OSMO_STRBUF_PRINTF(sb, " %s", gsm0808_permitted_speech_name(*pos));
+	return sb.buf;
+}
+
+static const char *strlist_name(const char *const*strs)
+{
+	struct osmo_strbuf sb = { .buf = namebuf[use_namebuf], .len = sizeof(namebuf[0]) };
+	use_namebuf = (use_namebuf + 1) % ARRAY_SIZE(namebuf);
+
+	const char * const *pos;
+	sb.buf[0] = '\0';
+	for (pos = strs; *pos != NULL; pos++)
+		OSMO_STRBUF_PRINTF(sb, " %s", *pos);
+	return sb.buf;
+}
+
+static bool validate_sdp(const char *func, const char *desc,
+			 const char *sdp_str, const char * const expected_codecs[])
+{
+	const char * const *expect_pos;
+	struct sdp_audio_codec *codec;
+	struct sdp_msg sdp;
+	if (sdp_msg_from_sdp_str(&sdp, sdp_str)) {
+		BTW("%s: %s: ERROR: failed to parse SDP\n%s", func, desc, sdp_str);
+		return false;
+	}
+
+	expect_pos = expected_codecs;
+	foreach_sdp_audio_codec(codec, &sdp.audio_codecs) {
+		if (!*expect_pos) {
+			BTW("%s: %s: ERROR: did not expect %s", func, desc, codec->subtype_name);
+			return false;
+		}
+		if (strcmp(*expect_pos, codec->subtype_name)) {
+			BTW("%s: %s: ERROR: mismatch: in idx %d, expect %s, got %s", func, desc,
+			    (int)(expect_pos - expected_codecs), *expect_pos, codec->subtype_name);
+			return false;
+		}
+		expect_pos++;
+	}
+	if (*expect_pos) {
+		BTW("%s: %s: ERROR: mismatch: expected %s to be listed, but not found", func, desc, *expect_pos);
+		return false;
+	}
+	return true;
+}
+
+#define VALIDATE_SDP(GOT_SDP_STR, EXPECT_SDP_STR) do { \
+		if (validate_sdp(__func__, t->desc, GOT_SDP_STR, EXPECT_SDP_STR)) { \
+			btw("VALIDATE_SDP OK: " #GOT_SDP_STR " == " #EXPECT_SDP_STR " ==%s", strlist_name(EXPECT_SDP_STR)); \
+		} else { \
+			btw("Failed to validate SDP:\nexpected%s\ngot\n%s", \
+			    strlist_name(EXPECT_SDP_STR), GOT_SDP_STR); \
+			OSMO_ASSERT(false); \
+		} \
+	} while (0)
+
+static bool validate_perm_speech(const char *func, const char *desc,
+				 const struct gsm0808_channel_type *ct,
+				 const enum gsm0808_permitted_speech perm_speech[])
+{
+	const enum gsm0808_permitted_speech *pos;
+	const uint8_t *pos2 = ct->perm_spch;
+	for (pos = perm_speech; *pos != LIST_END; pos++, pos2++) {
+		if (pos2 - ct->perm_spch >= ct->perm_spch_len) {
+			BTW("%s: %s: ERROR: mismatch: expected %s to be listed, but not found", func, desc,
+			    gsm0808_permitted_speech_name(*pos));
+			return false;
+		}
+		if (*pos2 != *pos) {
+			BTW("%s: %s: ERROR: mismatch: in idx %d, expect %s", func, desc,
+			    (int)(pos - perm_speech), gsm0808_permitted_speech_name(*pos));
+			btw("in idx %d, got %s", (int)(pos - perm_speech), gsm0808_permitted_speech_name(*pos2));
+			return false;
+		}
+	}
+	if (pos2 - ct->perm_spch < ct->perm_spch_len) {
+		BTW("%s: %s: ERROR: did not expect %s", func, desc, gsm0808_permitted_speech_name(*pos2));
+		return false;
+	}
+	return true;
+}
+
+#define VALIDATE_PERM_SPEECH(GOT_PERM_SPEECH, EXPECT_PERM_SPEECH) do { \
+		if (validate_perm_speech(__func__, t->desc, GOT_PERM_SPEECH, EXPECT_PERM_SPEECH)) { \
+			btw("VALIDATE_PERM_SPEECH OK: " #GOT_PERM_SPEECH " == " #EXPECT_PERM_SPEECH " ==%s", \
+			    perm_speech_name(EXPECT_PERM_SPEECH)); \
+		} else { \
+			btw("Failed to validate Permitted Speech:\nexpected%s", \
+			    perm_speech_name(EXPECT_PERM_SPEECH)); \
+			btw("got:"); \
+			int i; \
+			for (i = 0; i < (GOT_PERM_SPEECH)->perm_spch_len; i++) { \
+				btw("%s", gsm0808_permitted_speech_name((GOT_PERM_SPEECH)->perm_spch[i])); \
+			} \
+			OSMO_ASSERT(false); \
+		} \
+	} while (0)
+
+static struct sdp_msg *sdp_from_subtype_names(const char *const *subtype_names)
+{
+	static struct sdp_msg sdp;
+	sdp = (struct sdp_msg){};
+	const char *const *subtype_name;
+	osmo_sockaddr_str_from_str(&sdp.rtp, "1.2.3.4", 56);
+	for (subtype_name = subtype_names; *subtype_name; subtype_name++) {
+		const struct codec_mapping *m = codec_mapping_by_subtype_name(*subtype_name);
+		if (!m) {
+			BTW("ERROR: unknown subtype_name: %s", *subtype_name);
+			abort();
+		}
+		sdp_audio_codecs_add_copy(&sdp.audio_codecs, &m->sdp);
+	}
+	return &sdp;
+}
+
+static int sdp_str_from_subtype_names(char *buf, size_t buflen, const char *const *subtype_names)
+{
+	if (!subtype_names[0]) {
+		buf[0] = '\0';
+		return 0;
+	}
+	return sdp_msg_to_sdp_str_buf(buf, buflen, sdp_from_subtype_names(subtype_names));
+}
+
+static const char *bcap_hexstr(const enum gsm48_bcap_speech_ver ms_bcap[])
+{
+	struct gsm_mncc_bearer_cap bcap = {
+		.transfer = GSM_MNCC_BCAP_SPEECH,
+		.speech_ver = { -1 },
+	};
+	const enum gsm48_bcap_speech_ver *pos;
+	for (pos = ms_bcap; *pos != LIST_END; pos++)
+		bearer_cap_add_speech_ver(&bcap, *pos);
+	bearer_cap_set_radio(&bcap);
+	struct msgb *msg = msgb_alloc(128, "bcap");
+	gsm48_encode_bearer_cap(msg, 0, &bcap);
+	char *ret = osmo_hexdump_nospc(msg->data, msg->len);
+	msgb_free(msg);
+	return ret;
+}
+
+static void test_codecs_mo(const struct codec_test *t)
+{
+	struct gsm_mncc mncc = {
+		.imsi = IMSI,
+	};
+
+	struct gsm_mncc_rtp *mncc_rtp = (void *)&mncc;
+
+	BTW("======================== MO call: %s", t->desc);
+	btw("CM Service Request with Codec List (BSS Supported) =%s",
+	    codec_list_name(t->mo_rx_compl_l3_codec_list_bss_supported));
+
+	cm_service_result_sent = RES_NONE;
+	ms_sends_compl_l3("052471"
+			  "03575886" /* classmark 2 */
+			  "089910070000106005" /* IMSI */,
+			  codec_list(t->mo_rx_compl_l3_codec_list_bss_supported));
+	VERBOSE_ASSERT(cm_service_result_sent, == RES_ACCEPT, "%d");
+	EXPECT_ACCEPTED(true);
+
+	btw("MS sends CC SETUP with Bearer Capability = %s",
+	    bcap_name(t->mo_rx_ms_bcap));
+	expect_crcx(RTP_TO_CN);
+	expect_crcx(RTP_TO_RAN);
+	ms_sends_msgf("0385" /* CC, seq = 2 -> 0x80 | CC Setup = 0x5 */
+		      "%s" /* Bearer Capability */
+		      "5e038121f3" /* Called Number BCD */
+		      "15020100" /* CC Capabilities */
+		      "4008" /* Supported Codec List */
+		      "04026000" /* UMTS: AMR 2 | AMR */
+		      "00021f00" /* GSM: HR AMR | FR AMR | GSM EFR | GSM HR | GSM FR */,
+		      bcap_hexstr(t->mo_rx_ms_bcap)
+		     );
+	OSMO_ASSERT(crcx_scheduled(RTP_TO_CN));
+	OSMO_ASSERT(crcx_scheduled(RTP_TO_RAN));
+
+	btw("As soon as the MGW port towards CN is created, MNCC_SETUP_IND is triggered");
+	cc_to_mncc_expect_tx(IMSI, MNCC_SETUP_IND);
+	crcx_ok(RTP_TO_CN);
+	OSMO_ASSERT(cc_to_mncc_tx_confirmed);
+	mncc.callref = cc_to_mncc_tx_got_callref;
+	VALIDATE_SDP(cc_to_mncc_tx_last_sdp, t->mo_tx_sdp_mncc_setup_ind);
+
+	btw("MNCC replies with MNCC_RTP_CREATE, causing MGW endpoint CRCX to RAN");
+	sdp_str_from_subtype_names(mncc_rtp->sdp, sizeof(mncc_rtp->sdp), t->mo_rx_sdp_mncc_rtp_create);
+	mncc_sends_to_cc(MNCC_RTP_CREATE, &mncc);
+
+	btw("MGW acknowledges the CRCX, triggering Assignment with%s", perm_speech_name(t->mo_tx_assignment_perm_speech));
+	expect_bssap_assignment();
+	crcx_ok(RTP_TO_RAN);
+	OSMO_ASSERT(bssap_assignment_sent);
+	VALIDATE_PERM_SPEECH(&bssap_assignment_command_last_channel_type, t->mo_tx_assignment_perm_speech);
+
+	btw("Assignment succeeds, triggering MNCC_RTP_CREATE ack to MNCC");
+	cc_to_mncc_expect_tx("", MNCC_RTP_CREATE);
+	ms_sends_assignment_complete(t->mo_rx_assigned_codec);
+	OSMO_ASSERT(cc_to_mncc_tx_confirmed);
+	VALIDATE_SDP(cc_to_mncc_tx_last_sdp, t->mo_tx_sdp_mncc_rtp_create);
+
+	btw("MNCC says that's fine");
+	dtap_expect_tx("8302" /* CC: Call Proceeding */);
+	mncc_sends_to_cc(MNCC_CALL_PROC_REQ, &mncc);
+	OSMO_ASSERT(dtap_tx_confirmed);
+
+	fake_time_passes(1, 23);
+
+	btw("The other call leg got established (not shown here), MNCC tells us so, with codecs {%s }",
+	    strlist_name(t->mo_rx_sdp_mncc_alert_req));
+	dtap_expect_tx("8301" /* CC: Call Alerting */);
+	sdp_str_from_subtype_names(mncc.sdp, sizeof(mncc.sdp), t->mo_rx_sdp_mncc_alert_req);
+	mncc_sends_to_cc(MNCC_ALERT_REQ, &mncc);
+	OSMO_ASSERT(dtap_tx_confirmed);
+
+	dtap_expect_tx("8307" /* CC: Connect */);
+	sdp_str_from_subtype_names(mncc.sdp, sizeof(mncc.sdp), t->mo_rx_sdp_mncc_setup_rsp);
+	mncc_sends_to_cc(MNCC_SETUP_RSP, &mncc);
+	OSMO_ASSERT(dtap_tx_confirmed);
+
+	fake_time_passes(1, 23);
+
+	cc_to_mncc_expect_tx("", MNCC_SETUP_COMPL_IND);
+	ms_sends_msg("03cf" /* CC: Connect Acknowledge */);
+	OSMO_ASSERT(cc_to_mncc_tx_confirmed);
+	VALIDATE_SDP(cc_to_mncc_tx_last_sdp, t->mo_tx_sdp_mncc_setup_compl_ind);
+
+	BTW("RTP stream goes ahead, not shown here.");
+	fake_time_passes(123, 45);
+
+	BTW("Call ends");
+	cc_to_mncc_expect_tx("", MNCC_DISC_IND);
+	ms_sends_msg("032502e090" /* CC: Disconnect, cause: Normal Call Clearing */);
+	OSMO_ASSERT(cc_to_mncc_tx_confirmed);
+
+	dtap_expect_tx("832d" /* CC: Release */);
+	mncc_sends_to_cc(MNCC_REL_REQ, &mncc);
+	OSMO_ASSERT(dtap_tx_confirmed);
+
+	cc_to_mncc_expect_tx("", MNCC_REL_CNF);
+	expect_bssap_clear();
+	ms_sends_msg("036a" /* CC: Release Complete */);
+	OSMO_ASSERT(cc_to_mncc_tx_confirmed);
+	OSMO_ASSERT(bssap_clear_sent);
+
+	ran_sends_clear_complete();
+	EXPECT_CONN_COUNT(0);
+	BTW("======================== SUCCESS: MO call: %s", t->desc);
+}
+
+static void test_codecs_mt(const struct codec_test *t)
+{
+	struct gsm_mncc mncc = {
+		.imsi = IMSI,
+		.callref = 0x423,
+		.fields = MNCC_F_BEARER_CAP,
+		.bearer_cap = {
+			.speech_ver = { GSM48_BCAP_SV_FR, -1, },
+		},
+	};
+	struct gsm_mncc_rtp *mncc_rtp = (void *)&mncc;
+
+	BTW("======================== MT call: %s", t->desc);
+
+	BTW("MNCC asks us to setup a call, causing Paging");
+
+	paging_expect_imsi(IMSI);
+	paging_sent = false;
+	sdp_str_from_subtype_names(mncc.sdp, sizeof(mncc.sdp), t->mt_rx_sdp_mncc_setup_req);
+	mncc_sends_to_cc(MNCC_SETUP_REQ, &mncc);
+	mncc.sdp[0] = '\0';
+
+	VERBOSE_ASSERT(paging_sent, == true, "%d");
+
+	btw("MS replies with Paging Response, with Codec List (BSS Supported) =%s",
+	    codec_list_name(t->mt_rx_compl_l3_codec_list_bss_supported));
+
+	if (t->expect_codec_mismatch_on_paging_response) {
+		btw("VLR accepts, but MSC notices a codec mismatch and aborts");
+		cc_to_mncc_expect_tx("", MNCC_REL_IND);
+		expect_bssap_clear();
+		ms_sends_compl_l3("062707"
+				  "03575886" /* classmark 2 */
+				  "089910070000106005" /* IMSI */,
+				  codec_list(t->mt_rx_compl_l3_codec_list_bss_supported));
+		OSMO_ASSERT(cc_to_mncc_tx_confirmed);
+		OSMO_ASSERT(bssap_clear_sent);
+
+		ran_sends_clear_complete();
+		EXPECT_CONN_COUNT(0);
+
+		BTW("======================== SUCCESS: MT call: %s", t->desc);
+		return;
+	}
+
+	btw("VLR accepts, MSC sends CC Setup with Bearer Capability = %s",
+	    bcap_name(t->mt_tx_cc_setup_bcap));
+	char *cc_setup_bcap = talloc_asprintf(msc_vlr_tests_ctx, "0305%s",
+					      bcap_hexstr(t->mt_tx_cc_setup_bcap));
+	dtap_expect_tx(cc_setup_bcap);
+	ms_sends_compl_l3("062707"
+			  "03575886" /* classmark 2 */
+			  "089910070000106005" /* IMSI */,
+			  codec_list(t->mt_rx_compl_l3_codec_list_bss_supported));
+	OSMO_ASSERT(dtap_tx_confirmed);
+	talloc_free(cc_setup_bcap);
+
+	btw("MS confirms call, we create a RAN-side RTP and forward MNCC_CALL_CONF_IND");
+	expect_crcx(RTP_TO_CN);
+	expect_crcx(RTP_TO_RAN);
+	cc_to_mncc_expect_tx(IMSI, MNCC_CALL_CONF_IND);
+	ms_sends_msgf("8348" /* CC: Call Confirmed */
+		      "%s" /* Bearer Capability */
+		      "15020100" /* Call Control Capabilities */
+		      "40080402600400021f00" /* Supported Codec List */,
+		      bcap_hexstr(t->mt_rx_ms_bcap)
+		     );
+	OSMO_ASSERT(crcx_scheduled(RTP_TO_CN));
+	OSMO_ASSERT(crcx_scheduled(RTP_TO_RAN));
+	OSMO_ASSERT(cc_to_mncc_tx_confirmed);
+	VALIDATE_SDP(cc_to_mncc_tx_last_sdp, t->mt_tx_sdp_mncc_call_conf_ind);
+
+	btw("MGW acknowledges the CRCX to RAN, triggering Assignment with%s", perm_speech_name(t->mt_tx_assignment_perm_speech));
+
+	if (t->expect_codec_mismatch_on_cc_call_conf) {
+		btw("MS Bearer Capability leads to a codec mismatch, Assignment aborts");
+
+		dtap_expect_tx("032d0802e1af" /* CC Release */);
+		cc_to_mncc_expect_tx("", MNCC_REL_IND);
+		expect_bssap_clear();
+		crcx_ok(RTP_TO_RAN);
+
+		OSMO_ASSERT(cc_to_mncc_tx_confirmed);
+		OSMO_ASSERT(bssap_clear_sent);
+
+		ran_sends_clear_complete();
+		EXPECT_CONN_COUNT(0);
+		BTW("======================== SUCCESS: MT call: %s", t->desc);
+		return;
+	}
+
+	expect_bssap_assignment();
+	crcx_ok(RTP_TO_RAN);
+	OSMO_ASSERT(bssap_assignment_sent);
+	VALIDATE_PERM_SPEECH(&bssap_assignment_command_last_channel_type, t->mt_tx_assignment_perm_speech);
+
+	btw("Assignment completes, triggering CRCX to CN");
+	ms_sends_assignment_complete(t->mt_rx_assigned_codec);
+
+	btw("MNCC sends MNCC_RTP_CREATE, which first waits for the CN side RTP");
+	sdp_str_from_subtype_names(mncc_rtp->sdp, sizeof(mncc_rtp->sdp), t->mt_rx_sdp_mncc_rtp_create);
+	mncc_sends_to_cc(MNCC_RTP_CREATE, &mncc);
+
+	btw("When the CN side RTP address is known, ack MNCC_RTP_CREATE");
+	cc_to_mncc_expect_tx("", MNCC_RTP_CREATE);
+	crcx_ok(RTP_TO_CN);
+	OSMO_ASSERT(cc_to_mncc_tx_confirmed);
+	VALIDATE_SDP(cc_to_mncc_tx_last_sdp, t->mt_tx_sdp_mncc_rtp_create);
+
+	fake_time_passes(1, 23);
+
+	cc_to_mncc_expect_tx("", MNCC_ALERT_IND);
+	ms_sends_msg("8381" /* CC: Alerting */);
+	OSMO_ASSERT(cc_to_mncc_tx_confirmed);
+	VALIDATE_SDP(cc_to_mncc_tx_last_sdp, t->mt_tx_sdp_mncc_alert_ind);
+
+	fake_time_passes(1, 23);
+
+	cc_to_mncc_expect_tx(IMSI, MNCC_SETUP_CNF);
+	ms_sends_msg("83c7" /* CC: Connect */);
+	OSMO_ASSERT(cc_to_mncc_tx_confirmed);
+	VALIDATE_SDP(cc_to_mncc_tx_last_sdp, t->mt_tx_sdp_mncc_setup_cnf);
+
+	dtap_expect_tx("030f" /* CC: Connect Acknowledge */);
+	sdp_str_from_subtype_names(mncc.sdp, sizeof(mncc.sdp), t->mt_rx_sdp_mncc_setup_compl_req);
+	mncc_sends_to_cc(MNCC_SETUP_COMPL_REQ, &mncc);
+
+	BTW("RTP stream goes ahead, not shown here.");
+	fake_time_passes(123, 45);
+
+	BTW("Call ends");
+	cc_to_mncc_expect_tx("", MNCC_DISC_IND);
+	ms_sends_msg("832502e090" /* CC: Disconnect, cause: Normal Call Clearing */);
+	OSMO_ASSERT(cc_to_mncc_tx_confirmed);
+
+	dtap_expect_tx("032d" /* CC: Release */);
+	mncc_sends_to_cc(MNCC_REL_REQ, &mncc);
+	OSMO_ASSERT(dtap_tx_confirmed);
+
+	cc_to_mncc_expect_tx("", MNCC_REL_CNF);
+	expect_bssap_clear();
+	ms_sends_msg("836a" /* CC: Release Complete */);
+	OSMO_ASSERT(cc_to_mncc_tx_confirmed);
+	OSMO_ASSERT(bssap_clear_sent);
+
+	ran_sends_clear_complete();
+	EXPECT_CONN_COUNT(0);
+	BTW("======================== SUCCESS: MT call: %s", t->desc);
+}
+
+static void test_codecs(void)
+{
+	const struct codec_test *t;
+	clear_vlr();
+
+	comment_start();
+
+	fake_time_start();
+
+	lu_geran_noauth();
+
+	for (t = codec_tests; t - codec_tests < ARRAY_SIZE(codec_tests); t++) {
+		test_codecs_mo(t);
+		test_codecs_mt(t);
+	}
+
+	EXPECT_CONN_COUNT(0);
+	clear_vlr();
+	comment_end();
+}
 
 msc_vlr_test_func_t msc_vlr_tests[] = {
 	test_call_mo,
@@ -726,5 +1450,6 @@ msc_vlr_test_func_t msc_vlr_tests[] = {
 	test_call_mt2,
 	test_call_mo_to_unknown,
 	test_call_mo_to_unknown_timeout,
+	test_codecs,
 	NULL
 };
diff --git a/tests/msc_vlr/msc_vlr_test_call.err b/tests/msc_vlr/msc_vlr_test_call.err
index a8430e675..2527ee0d1 100644
--- a/tests/msc_vlr/msc_vlr_test_call.err
+++ b/tests/msc_vlr/msc_vlr_test_call.err
@@ -310,6 +310,16 @@ DMSC msc_a(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE
 DIUCS msc_a(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: MGW endpoint's RTP address available for the CI RTP_TO_CN: 10.23.23.1:23 (osmux=no:-2)
 DMNCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ callref-0x80000001 tid-8) tx MNCC_SETUP_IND (RTP=10.23.23.1:23{AMR:octet-align=1#112})
   MSC --> MNCC: callref 0x80000001: MNCC_SETUP_IND
+v=0

+o=OsmoMSC 0 0 IN IP4 10.23.23.1

+s=GSM Call

+c=IN IP4 10.23.23.1

+t=0 0

+m=audio 23 RTP/AVP 112

+a=rtpmap:112 AMR/8000

+a=fmtp:112 octet-align=1

+a=ptime:20

+
 - MNCC replies with MNCC_RTP_CREATE, causing MGW endpoint CRCX to RAN
   MSC <-- MNCC: callref 0x80000001: MNCC_RTP_CREATE
 
@@ -331,6 +341,15 @@ DCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-I
 DCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ callref-0x80000001 tid-8) codecs: 10.23.23.1:23{VND.3GPP.IUFP/16000#96} (from: assigned=VND.3GPP.IUFP/16000#96 MS={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111} RAN={AMR:octet-align=1#112,AMR-WB/16000:octet-align=1#113})
 DMNCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ callref-0x80000001 tid-8) tx MNCC_RTP_CREATE (RTP=10.23.23.1:23{VND.3GPP.IUFP/16000#96})
   MSC --> MNCC: callref 0x80000001: MNCC_RTP_CREATE
+v=0

+o=OsmoMSC 0 0 IN IP4 10.23.23.1

+s=GSM Call

+c=IN IP4 10.23.23.1

+t=0 0

+m=audio 23 RTP/AVP 96

+a=rtpmap:96 VND.3GPP.IUFP/16000

+a=ptime:20

+
 - MNCC says that's fine
   MSC <-- MNCC: callref 0x80000001: MNCC_CALL_PROC_REQ
 
@@ -380,6 +399,7 @@ DCC trans(CC:CONNECT_IND IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN
 DCC trans(CC:ACTIVE IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ callref-0x80000001 tid-8) stopping pending guard timer
 DMNCC trans(CC:ACTIVE IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ callref-0x80000001 tid-8) tx MNCC_SETUP_COMPL_IND
   MSC --> MNCC: callref 0x80000001: MNCC_SETUP_COMPL_IND
+
 DREF msc_a(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: - rx_from_ms: now used by 1 (cc)
 
 
@@ -396,6 +416,7 @@ DCC trans(CC:ACTIVE IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:C
 DCC trans(CC:ACTIVE IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ callref-0x80000001 tid-8) new state ACTIVE -> DISCONNECT_IND
 DMNCC trans(CC:DISCONNECT_IND IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ callref-0x80000001 tid-8) tx MNCC_DISC_IND
   MSC --> MNCC: callref 0x80000001: MNCC_DISC_IND
+
 DREF msc_a(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: - rx_from_ms: now used by 1 (cc)
   MSC <-- MNCC: callref 0x80000001: MNCC_REL_REQ
 
@@ -416,6 +437,7 @@ DCC trans(CC:RELEASE_REQ IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN
 DCC trans(CC:RELEASE_REQ IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ callref-0x80000001 tid-8) stopping pending timer T308
 DMNCC trans(CC:RELEASE_REQ IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ callref-0x80000001 tid-8) tx MNCC_REL_CNF
   MSC --> MNCC: callref 0x80000001: MNCC_REL_CNF
+
 DCC trans(CC:RELEASE_REQ IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ callref-0x0 tid-8) Freeing transaction
 DCC trans(CC:RELEASE_REQ IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ callref-0x0 tid-8) new state RELEASE_REQ -> NULL
 DCC trans(CC:NULL IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ callref-0x0 tid-8) stopping pending guard timer
@@ -800,6 +822,7 @@ DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING
 DCC trans(CC:CALL_PRESENT IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP callref-0x423 tid-0) new state CALL_PRESENT -> MO_TERM_CALL_CONF
 DMNCC trans(CC:MO_TERM_CALL_CONF IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP callref-0x423 tid-0) tx MNCC_CALL_CONF_IND
   MSC --> MNCC: callref 0x423: MNCC_CALL_CONF_IND
+
 DREF msc_a(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP){MSC_A_ST_COMMUNICATING}: - rx_from_ms: now used by 1 (cc)
 - MGW acknowledges the CRCX to RAN, triggering Assignment
   MGW --CRCX OK to RTP_TO_RAN--> MSC
@@ -828,6 +851,15 @@ DIUCS msc_a(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RE
 DCC trans(CC:MO_TERM_CALL_CONF IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP callref-0x423 tid-0) codecs: 10.23.23.1:23{VND.3GPP.IUFP/16000#96} (from: assigned=VND.3GPP.IUFP/16000#96 remote=10.23.23.1:23{AMR:octet-align=1#112} MS={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111} RAN={AMR:octet-align=1#112,AMR-WB/16000:octet-align=1#113})
 DMNCC trans(CC:MO_TERM_CALL_CONF IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP callref-0x423 tid-0) tx MNCC_RTP_CREATE (RTP=10.23.23.1:23{VND.3GPP.IUFP/16000#96})
   MSC --> MNCC: callref 0x423: MNCC_RTP_CREATE
+v=0

+o=OsmoMSC 0 0 IN IP4 10.23.23.1

+s=GSM Call

+c=IN IP4 10.23.23.1

+t=0 0

+m=audio 23 RTP/AVP 96

+a=rtpmap:96 VND.3GPP.IUFP/16000

+a=ptime:20

+
 - Total time passed: 1.000023 s
   MSC <--UTRAN-Iu-- MS: GSM48_MT_CC_ALERTING
 DREF msc_a(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP){MSC_A_ST_COMMUNICATING}: + rx_from_ms: now used by 2 (cc,rx_from_ms)
@@ -840,6 +872,15 @@ DCC trans(CC:MO_TERM_CALL_CONF IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100
 DCC trans(CC:CALL_RECEIVED IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP callref-0x423 tid-0) codecs: 10.23.23.1:23{VND.3GPP.IUFP/16000#96} (from: assigned=VND.3GPP.IUFP/16000#96 remote=10.23.23.1:23{AMR:octet-align=1#112} MS={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111} RAN={AMR:octet-align=1#112,AMR-WB/16000:octet-align=1#113})
 DMNCC trans(CC:CALL_RECEIVED IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP callref-0x423 tid-0) tx MNCC_ALERT_IND (RTP=10.23.23.1:23{VND.3GPP.IUFP/16000#96})
   MSC --> MNCC: callref 0x423: MNCC_ALERT_IND
+v=0

+o=OsmoMSC 0 0 IN IP4 10.23.23.1

+s=GSM Call

+c=IN IP4 10.23.23.1

+t=0 0

+m=audio 23 RTP/AVP 96

+a=rtpmap:96 VND.3GPP.IUFP/16000

+a=ptime:20

+
 DREF msc_a(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP){MSC_A_ST_COMMUNICATING}: - rx_from_ms: now used by 1 (cc)
 - Total time passed: 2.000046 s
   MSC <--UTRAN-Iu-- MS: GSM48_MT_CC_CONNECT
@@ -851,6 +892,15 @@ DCC trans(CC:CALL_RECEIVED IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTR
 DCC trans(CC:CALL_RECEIVED IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP callref-0x423 tid-0) new state CALL_RECEIVED -> CONNECT_REQUEST
 DMNCC trans(CC:CONNECT_REQUEST IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP callref-0x423 tid-0) tx MNCC_SETUP_CNF (RTP=10.23.23.1:23{VND.3GPP.IUFP/16000#96})
   MSC --> MNCC: callref 0x423: MNCC_SETUP_CNF
+v=0

+o=OsmoMSC 0 0 IN IP4 10.23.23.1

+s=GSM Call

+c=IN IP4 10.23.23.1

+t=0 0

+m=audio 23 RTP/AVP 96

+a=rtpmap:96 VND.3GPP.IUFP/16000

+a=ptime:20

+
 DREF msc_a(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP){MSC_A_ST_COMMUNICATING}: - rx_from_ms: now used by 1 (cc)
   MSC <-- MNCC: callref 0x423: MNCC_SETUP_COMPL_REQ
 
@@ -878,6 +928,7 @@ DCC trans(CC:ACTIVE IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:P
 DCC trans(CC:ACTIVE IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP callref-0x423 tid-0) new state ACTIVE -> DISCONNECT_IND
 DMNCC trans(CC:DISCONNECT_IND IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP callref-0x423 tid-0) tx MNCC_DISC_IND
   MSC --> MNCC: callref 0x423: MNCC_DISC_IND
+
 DREF msc_a(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP){MSC_A_ST_COMMUNICATING}: - rx_from_ms: now used by 1 (cc)
   MSC <-- MNCC: callref 0x423: MNCC_REL_REQ
 
@@ -898,6 +949,7 @@ DCC trans(CC:RELEASE_REQ IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN
 DCC trans(CC:RELEASE_REQ IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP callref-0x423 tid-0) stopping pending timer T308
 DMNCC trans(CC:RELEASE_REQ IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP callref-0x423 tid-0) tx MNCC_REL_CNF
   MSC --> MNCC: callref 0x423: MNCC_REL_CNF
+
 DCC trans(CC:RELEASE_REQ IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP callref-0x0 tid-0) Freeing transaction
 DCC trans(CC:RELEASE_REQ IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP callref-0x0 tid-0) new state RELEASE_REQ -> NULL
 DCC trans(CC:NULL IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP callref-0x0 tid-0) stopping pending guard timer
@@ -1282,6 +1334,7 @@ DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING
 DCC trans(CC:CALL_PRESENT IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP callref-0x423 tid-0) new state CALL_PRESENT -> MO_TERM_CALL_CONF
 DMNCC trans(CC:MO_TERM_CALL_CONF IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP callref-0x423 tid-0) tx MNCC_CALL_CONF_IND
   MSC --> MNCC: callref 0x423: MNCC_CALL_CONF_IND
+
 DREF msc_a(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP){MSC_A_ST_COMMUNICATING}: - rx_from_ms: now used by 1 (cc)
 - MNCC sends MNCC_RTP_CREATE, which first waits for the CN side RTP
   MSC <-- MNCC: callref 0x423: MNCC_RTP_CREATE
@@ -1319,6 +1372,15 @@ DIUCS msc_a(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RE
 DCC trans(CC:MO_TERM_CALL_CONF IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP callref-0x423 tid-0) codecs: 10.23.23.1:23{VND.3GPP.IUFP/16000#96} (from: assigned=VND.3GPP.IUFP/16000#96 remote=10.23.23.1:23{AMR:octet-align=1#112} MS={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111} RAN={AMR:octet-align=1#112,AMR-WB/16000:octet-align=1#113})
 DMNCC trans(CC:MO_TERM_CALL_CONF IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP callref-0x423 tid-0) tx MNCC_RTP_CREATE (RTP=10.23.23.1:23{VND.3GPP.IUFP/16000#96})
   MSC --> MNCC: callref 0x423: MNCC_RTP_CREATE
+v=0

+o=OsmoMSC 0 0 IN IP4 10.23.23.1

+s=GSM Call

+c=IN IP4 10.23.23.1

+t=0 0

+m=audio 23 RTP/AVP 96

+a=rtpmap:96 VND.3GPP.IUFP/16000

+a=ptime:20

+
 - Total time passed: 1.000023 s
   MSC <--UTRAN-Iu-- MS: GSM48_MT_CC_ALERTING
 DREF msc_a(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP){MSC_A_ST_COMMUNICATING}: + rx_from_ms: now used by 2 (cc,rx_from_ms)
@@ -1331,6 +1393,15 @@ DCC trans(CC:MO_TERM_CALL_CONF IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100
 DCC trans(CC:CALL_RECEIVED IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP callref-0x423 tid-0) codecs: 10.23.23.1:23{VND.3GPP.IUFP/16000#96} (from: assigned=VND.3GPP.IUFP/16000#96 remote=10.23.23.1:23{AMR:octet-align=1#112} MS={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111} RAN={AMR:octet-align=1#112,AMR-WB/16000:octet-align=1#113})
 DMNCC trans(CC:CALL_RECEIVED IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP callref-0x423 tid-0) tx MNCC_ALERT_IND (RTP=10.23.23.1:23{VND.3GPP.IUFP/16000#96})
   MSC --> MNCC: callref 0x423: MNCC_ALERT_IND
+v=0

+o=OsmoMSC 0 0 IN IP4 10.23.23.1

+s=GSM Call

+c=IN IP4 10.23.23.1

+t=0 0

+m=audio 23 RTP/AVP 96

+a=rtpmap:96 VND.3GPP.IUFP/16000

+a=ptime:20

+
 DREF msc_a(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP){MSC_A_ST_COMMUNICATING}: - rx_from_ms: now used by 1 (cc)
 - Total time passed: 16.000046 s
 - The call failed, the BSC sends a BSSMAP Clear Request
@@ -1344,6 +1415,7 @@ DCC trans(CC:CALL_RECEIVED IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTR
 DCC trans(CC:CALL_RECEIVED IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP callref-0x423 tid-0) stopping pending timer T301
 DMNCC trans(CC:CALL_RECEIVED IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP callref-0x423 tid-0) tx MNCC_REL_IND
   MSC --> MNCC: callref 0x423: MNCC_REL_IND
+
 DCC trans(CC:CALL_RECEIVED IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP callref-0x423 tid-0) starting timer T308 with 10 seconds
 DCC trans(CC:CALL_RECEIVED IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP callref-0x423 tid-0) new state CALL_RECEIVED -> RELEASE_REQ
 DIUCS msc_a(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP){MSC_A_ST_RELEASING}: Sending DTAP: CC GSM48_MT_CC_RELEASE
@@ -1712,6 +1784,16 @@ DMSC msc_a(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE
 DIUCS msc_a(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: MGW endpoint's RTP address available for the CI RTP_TO_CN: 10.23.23.1:23 (osmux=no:-2)
 DMNCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ callref-0x80000002 tid-8) tx MNCC_SETUP_IND (RTP=10.23.23.1:23{AMR:octet-align=1#112})
   MSC --> MNCC: callref 0x80000002: MNCC_SETUP_IND
+v=0

+o=OsmoMSC 0 0 IN IP4 10.23.23.1

+s=GSM Call

+c=IN IP4 10.23.23.1

+t=0 0

+m=audio 23 RTP/AVP 112

+a=rtpmap:112 AMR/8000

+a=fmtp:112 octet-align=1

+a=ptime:20

+
 - MNCC replies with MNCC_RTP_CREATE, causing MGW endpoint CRCX to RAN
   MSC <-- MNCC: callref 0x80000002: MNCC_RTP_CREATE
 
@@ -1733,6 +1815,15 @@ DCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-I
 DCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ callref-0x80000002 tid-8) codecs: 10.23.23.1:23{VND.3GPP.IUFP/16000#96} (from: assigned=VND.3GPP.IUFP/16000#96 MS={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111} RAN={AMR:octet-align=1#112,AMR-WB/16000:octet-align=1#113})
 DMNCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ callref-0x80000002 tid-8) tx MNCC_RTP_CREATE (RTP=10.23.23.1:23{VND.3GPP.IUFP/16000#96})
   MSC --> MNCC: callref 0x80000002: MNCC_RTP_CREATE
+v=0

+o=OsmoMSC 0 0 IN IP4 10.23.23.1

+s=GSM Call

+c=IN IP4 10.23.23.1

+t=0 0

+m=audio 23 RTP/AVP 96

+a=rtpmap:96 VND.3GPP.IUFP/16000

+a=ptime:20

+
 - MNCC says that's fine
   MSC <-- MNCC: callref 0x80000002: MNCC_CALL_PROC_REQ
 
@@ -1775,6 +1866,7 @@ DCC trans(CC:RELEASE_REQ IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN
 DCC trans(CC:RELEASE_REQ IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ callref-0x80000002 tid-8) stopping pending timer T308
 DMNCC trans(CC:RELEASE_REQ IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ callref-0x80000002 tid-8) tx MNCC_REL_CNF
   MSC --> MNCC: callref 0x80000002: MNCC_REL_CNF
+
 DCC trans(CC:RELEASE_REQ IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ callref-0x0 tid-8) Freeing transaction
 DCC trans(CC:RELEASE_REQ IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ callref-0x0 tid-8) new state RELEASE_REQ -> NULL
 DCC trans(CC:NULL IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ callref-0x0 tid-8) stopping pending guard timer
@@ -2142,6 +2234,16 @@ DMSC msc_a(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE
 DIUCS msc_a(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: MGW endpoint's RTP address available for the CI RTP_TO_CN: 10.23.23.1:23 (osmux=no:-2)
 DMNCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ callref-0x80000003 tid-8) tx MNCC_SETUP_IND (RTP=10.23.23.1:23{AMR:octet-align=1#112})
   MSC --> MNCC: callref 0x80000003: MNCC_SETUP_IND
+v=0

+o=OsmoMSC 0 0 IN IP4 10.23.23.1

+s=GSM Call

+c=IN IP4 10.23.23.1

+t=0 0

+m=audio 23 RTP/AVP 112

+a=rtpmap:112 AMR/8000

+a=fmtp:112 octet-align=1

+a=ptime:20

+
 - MNCC replies with MNCC_RTP_CREATE, causing MGW endpoint CRCX to RAN
   MSC <-- MNCC: callref 0x80000003: MNCC_RTP_CREATE
 
@@ -2163,6 +2265,15 @@ DCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-I
 DCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ callref-0x80000003 tid-8) codecs: 10.23.23.1:23{VND.3GPP.IUFP/16000#96} (from: assigned=VND.3GPP.IUFP/16000#96 MS={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111} RAN={AMR:octet-align=1#112,AMR-WB/16000:octet-align=1#113})
 DMNCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ callref-0x80000003 tid-8) tx MNCC_RTP_CREATE (RTP=10.23.23.1:23{VND.3GPP.IUFP/16000#96})
   MSC --> MNCC: callref 0x80000003: MNCC_RTP_CREATE
+v=0

+o=OsmoMSC 0 0 IN IP4 10.23.23.1

+s=GSM Call

+c=IN IP4 10.23.23.1

+t=0 0

+m=audio 23 RTP/AVP 96

+a=rtpmap:96 VND.3GPP.IUFP/16000

+a=ptime:20

+
 - MNCC says that's fine
   MSC <-- MNCC: callref 0x80000003: MNCC_CALL_PROC_REQ
 
@@ -2204,6 +2315,7 @@ DCC trans(CC:RELEASE_REQ IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN
 DCC trans(CC:RELEASE_REQ IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ callref-0x80000003 tid-8) Freeing transaction
 DMNCC trans(CC:RELEASE_REQ IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ callref-0x80000003 tid-8) tx MNCC_REL_CNF
   MSC --> MNCC: callref 0x80000003: MNCC_REL_CNF
+
 DCC trans(CC:RELEASE_REQ IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ callref-0x80000003 tid-8) new state RELEASE_REQ -> NULL
 DCC trans(CC:NULL IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ callref-0x80000003 tid-8) stopping pending guard timer
 DREF VLR subscr IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100 - CC: now used by 2 (attached,active-conn)
@@ -2257,3 +2369,2781 @@ DMSC msc_a(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE
 DVLR freeing VLR subscr IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100 (max total use count was 4)
 ===== test_call_mo_to_unknown_timeout: SUCCESS
 
+===== test_codecs
+- Total time passed: 0.000000 s
+- Location Update request causes a GSUP LU request to HLR
+  MSC <--GERAN-A-- MS: GSM48_MT_MM_LOC_UPD_REQUEST
+  new conn
+DMSC msub_fsm{active}: Allocated
+DMSC msc_a{MSC_A_ST_VALIDATE_L3}: Allocated
+DMSC msc_a{MSC_A_ST_VALIDATE_L3}: is child of msub_fsm
+DMSC msc_a(unknown:GERAN-A:NONE){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_VALIDATE_L3
+DMSC dummy_msc_i{0}: Allocated
+DMSC dummy_msc_i{0}: is child of msub_fsm
+DREF msc_a(unknown:GERAN-A:NONE){MSC_A_ST_VALIDATE_L3}: + rx_from_ms: now used by 1 (rx_from_ms)
+DBSSAP msc_a(unknown:GERAN-A:NONE){MSC_A_ST_VALIDATE_L3}: RAN decode: COMPL_L3
+DRLL msc_a(unknown:GERAN-A:NONE){MSC_A_ST_VALIDATE_L3}: Dispatching 04.08 message: MM GSM48_MT_MM_LOC_UPD_REQUEST
+DMM msc_a(IMSI-901700000010650:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: LOCATION UPDATING REQUEST: MI=IMSI-901700000010650 LU-type=NORMAL
+DMM msc_a(IMSI-901700000010650:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: USIM: old LAI: 901-70-23
+DREF msc_a(IMSI-901700000010650:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: + mm_rx_loc_upd_req: now used by 2 (rx_from_ms,mm_rx_loc_upd_req)
+DREF msc_a(IMSI-901700000010650:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: + lu: now used by 3 (rx_from_ms,mm_rx_loc_upd_req,lu)
+DVLR vlr_lu_fsm(IMSI-901700000010650:GERAN-A:LU){VLR_ULA_S_IDLE}: Allocated
+DVLR vlr_lu_fsm(IMSI-901700000010650:GERAN-A:LU){VLR_ULA_S_IDLE}: is child of msc_a(IMSI-901700000010650:GERAN-A:LU)
+DVLR vlr_lu_fsm(IMSI-901700000010650:GERAN-A:LU){VLR_ULA_S_IDLE}: rev=R99 net=GERAN (no Auth)
+DVLR vlr_lu_fsm(IMSI-901700000010650:GERAN-A:LU){VLR_ULA_S_IDLE}: Received Event VLR_ULA_E_UPDATE_LA
+DREF VLR subscr unknown + _lu_fsm_associate_vsub: now used by 1 (_lu_fsm_associate_vsub)
+DVLR set IMSI on subscriber; IMSI=901700000010650 id=901700000010650
+DVLR New subscr, IMSI: 901700000010650
+DREF VLR subscr IMSI-901700000010650 + active-conn: now used by 2 (_lu_fsm_associate_vsub,active-conn)
+DMSC msc_a(IMSI-901700000010650:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: Received Event MSC_A_EV_COMPLETE_LAYER_3_OK
+DMSC msc_a(IMSI-901700000010650:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_AUTH_CIPH
+DREF VLR subscr IMSI-901700000010650 - _lu_fsm_associate_vsub: now used by 1 (active-conn)
+DVLR set Last E-UTRAN PLMN ID on subscriber: (none)
+DVLR vlr_lu_fsm(IMSI-901700000010650:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1_pre()
+DVLR vlr_lu_fsm(IMSI-901700000010650:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
+DVLR vlr_lu_fsm(IMSI-901700000010650:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_post_auth()
+DVLR vlr_lu_fsm(IMSI-901700000010650:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_post_ciph()
+DMSC msc_a(IMSI-901700000010650:GERAN-A:LU){MSC_A_ST_AUTH_CIPH}: RAN encode: COMMON_ID on GERAN-A
+DMSC dummy_msc_i(IMSI-901700000010650:GERAN-A:LU){0}: Received Event MSC_I_EV_FROM_A_FORWARD_ACCESS_SIGNALLING_REQUEST
+DVLR vlr_lu_fsm(IMSI-901700000010650:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node_4()
+DVLR vlr_lu_fsm(IMSI-901700000010650:GERAN-A:LU){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_HLR_UPD
+DVLR upd_hlr_vlr_fsm(IMSI-901700000010650:GERAN-A:LU){UPD_HLR_VLR_S_INIT}: Allocated
+DVLR upd_hlr_vlr_fsm(IMSI-901700000010650:GERAN-A:LU){UPD_HLR_VLR_S_INIT}: is child of vlr_lu_fsm(IMSI-901700000010650:GERAN-A:LU)
+DVLR upd_hlr_vlr_fsm(IMSI-901700000010650:GERAN-A:LU){UPD_HLR_VLR_S_INIT}: Received Event UPD_HLR_VLR_E_START
+GSUP --> HLR: OSMO_GSUP_MSGT_UPDATE_LOCATION_REQUEST: 04010809710000000156f02801020a0101
+DVLR upd_hlr_vlr_fsm(IMSI-901700000010650:GERAN-A:LU){UPD_HLR_VLR_S_INIT}: state_chg to UPD_HLR_VLR_S_WAIT_FOR_DATA
+DREF msc_a(IMSI-901700000010650:GERAN-A:LU){MSC_A_ST_AUTH_CIPH}: - mm_rx_loc_upd_req: now used by 2 (rx_from_ms,lu)
+DREF msc_a(IMSI-901700000010650:GERAN-A:LU){MSC_A_ST_AUTH_CIPH}: - rx_from_ms: now used by 1 (lu)
+  lu_result_sent == 0
+- HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT
+<-- GSUP rx OSMO_GSUP_MSGT_INSERT_DATA_REQUEST: 10010809710000000156f00804036470f10a0101
+DREF VLR subscr IMSI-901700000010650 + vlr_gsup_rx: now used by 2 (active-conn,vlr_gsup_rx)
+DVLR IMSI:901700000010650 has MSISDN:46071
+DVLR SUBSCR(IMSI-901700000010650:MSISDN-46071) VLR: update for IMSI=901700000010650 (MSISDN=46071)
+GSUP --> HLR: OSMO_GSUP_MSGT_INSERT_DATA_RESULT: 12010809710000000156f00a0101
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 - vlr_gsup_rx: now used by 1 (active-conn)
+<-- GSUP rx OSMO_GSUP_MSGT_INSERT_DATA_REQUEST: vlr_gsupc_read_cb() returns 0
+  lu_result_sent == 0
+- HLR also sends GSUP _UPDATE_LOCATION_RESULT
+<-- GSUP rx OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT: 06010809710000000156f00a0101
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 + vlr_gsup_rx: now used by 2 (active-conn,vlr_gsup_rx)
+DVLR vlr_lu_fsm(IMSI-901700000010650:MSISDN-46071:GERAN-A:LU){VLR_ULA_S_WAIT_HLR_UPD}: Received Event VLR_ULA_E_HLR_LU_RES
+DVLR upd_hlr_vlr_fsm(IMSI-901700000010650:GERAN-A:LU){UPD_HLR_VLR_S_WAIT_FOR_DATA}: Received Event UPD_HLR_VLR_E_UPD_LOC_ACK
+DVLR upd_hlr_vlr_fsm(IMSI-901700000010650:GERAN-A:LU){UPD_HLR_VLR_S_WAIT_FOR_DATA}: state_chg to UPD_HLR_VLR_S_DONE
+DVLR upd_hlr_vlr_fsm(IMSI-901700000010650:GERAN-A:LU){UPD_HLR_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR upd_hlr_vlr_fsm(IMSI-901700000010650:GERAN-A:LU){UPD_HLR_VLR_S_DONE}: Removing from parent vlr_lu_fsm(IMSI-901700000010650:MSISDN-46071:GERAN-A:LU)
+DVLR vlr_lu_fsm(IMSI-901700000010650:MSISDN-46071:GERAN-A:LU){VLR_ULA_S_WAIT_HLR_UPD}: Received Event VLR_ULA_E_UPD_HLR_COMPL
+DVLR vlr_lu_fsm(IMSI-901700000010650:MSISDN-46071:GERAN-A:LU){VLR_ULA_S_WAIT_HLR_UPD}: state_chg to VLR_ULA_S_WAIT_LU_COMPL
+DVLR lu_compl_vlr_fsm(IMSI-901700000010650:MSISDN-46071:GERAN-A:LU){LU_COMPL_VLR_S_INIT}: Allocated
+DVLR lu_compl_vlr_fsm(IMSI-901700000010650:MSISDN-46071:GERAN-A:LU){LU_COMPL_VLR_S_INIT}: is child of vlr_lu_fsm(IMSI-901700000010650:MSISDN-46071:GERAN-A:LU)
+DVLR lu_compl_vlr_fsm(IMSI-901700000010650:MSISDN-46071:GERAN-A:LU){LU_COMPL_VLR_S_INIT}: Received Event LU_COMPL_VLR_E_START
+DVLR lu_compl_vlr_fsm(IMSI-901700000010650:MSISDN-46071:GERAN-A:LU){LU_COMPL_VLR_S_INIT}: state_chg to LU_COMPL_VLR_S_WAIT_SUB_PRES
+DVLR lu_compl_vlr_fsm(IMSI-901700000010650:MSISDN-46071:GERAN-A:LU){LU_COMPL_VLR_S_WAIT_SUB_PRES}: Received Event LU_COMPL_VLR_E_SUB_PRES_COMPL
+- sending LU Accept for IMSI-901700000010650:MSISDN-46071:GERAN-A:LU
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 + attached: now used by 3 (active-conn,vlr_gsup_rx,attached)
+DVLR lu_compl_vlr_fsm(IMSI-901700000010650:MSISDN-46071:GERAN-A:LU){LU_COMPL_VLR_S_WAIT_SUB_PRES}: state_chg to LU_COMPL_VLR_S_DONE
+DVLR vlr_lu_fsm(IMSI-901700000010650:MSISDN-46071:GERAN-A:LU){VLR_ULA_S_WAIT_LU_COMPL}: Received Event VLR_ULA_E_LU_COMPL_SUCCESS
+DVLR lu_compl_vlr_fsm(IMSI-901700000010650:MSISDN-46071:GERAN-A:LU){LU_COMPL_VLR_S_DONE}: Terminating in cascade, depth 2 (cause = OSMO_FSM_TERM_PARENT, caused by: upd_hlr_vlr_fsm(IMSI-901700000010650:GERAN-A:LU))
+DVLR lu_compl_vlr_fsm(IMSI-901700000010650:MSISDN-46071:GERAN-A:LU){LU_COMPL_VLR_S_DONE}: Removing from parent vlr_lu_fsm(IMSI-901700000010650:MSISDN-46071:GERAN-A:LU)
+DVLR lu_compl_vlr_fsm(IMSI-901700000010650:MSISDN-46071:GERAN-A:LU){LU_COMPL_VLR_S_DONE}: Deferring: will deallocate with upd_hlr_vlr_fsm(IMSI-901700000010650:GERAN-A:LU)
+DVLR vlr_lu_fsm(IMSI-901700000010650:MSISDN-46071:GERAN-A:LU){VLR_ULA_S_WAIT_LU_COMPL}: state_chg to VLR_ULA_S_DONE
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:LU){MSC_A_ST_AUTH_CIPH}: Received Event MSC_A_EV_AUTHENTICATED
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:LU){MSC_A_ST_AUTH_CIPH}: state_chg to MSC_A_ST_AUTHENTICATED
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:LU){MSC_A_ST_AUTHENTICATED}: - lu: now used by 0 (-)
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:LU){MSC_A_ST_AUTHENTICATED}: Received Event MSC_A_EV_UNUSED
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:LU){MSC_A_ST_AUTHENTICATED}: state_chg to MSC_A_ST_RELEASING
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:LU){MSC_A_ST_RELEASING}: Releasing: msc_a use is 0 (-)
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 + msc_a_fsm_releasing_onenter: now used by 4 (active-conn,vlr_gsup_rx,attached,msc_a_fsm_releasing_onenter)
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 + vlr_subscr_cancel_attach_fsm: now used by 5 (active-conn,vlr_gsup_rx,attached,msc_a_fsm_releasing_onenter,vlr_subscr_cancel_attach_fsm)
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 - vlr_subscr_cancel_attach_fsm: now used by 4 (active-conn,vlr_gsup_rx,attached,msc_a_fsm_releasing_onenter)
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:LU){MSC_A_ST_RELEASING}: + wait-Clear-Complete: now used by 1 (wait-Clear-Complete)
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:LU){MSC_A_ST_RELEASING}: RAN encode: CLEAR_COMMAND on GERAN-A
+DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-46071:GERAN-A:LU){0}: Received Event MSC_I_EV_FROM_A_FORWARD_ACCESS_SIGNALLING_REQUEST
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 - msc_a_fsm_releasing_onenter: now used by 3 (active-conn,vlr_gsup_rx,attached)
+DVLR upd_hlr_vlr_fsm(IMSI-901700000010650:GERAN-A:LU){UPD_HLR_VLR_S_DONE}: Deallocated, including all deferred deallocations
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 - vlr_gsup_rx: now used by 2 (active-conn,attached)
+<-- GSUP rx OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT: vlr_gsupc_read_cb() returns 0
+- LU was successful, and the conn has already been closed
+  lu_result_sent == 1
+  bssap_clear_sent == 1
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:LU){MSC_A_ST_RELEASING}: RAN decode: CLEAR_COMPLETE
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:LU){MSC_A_ST_RELEASING}: - wait-Clear-Complete: now used by 0 (-)
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:LU){MSC_A_ST_RELEASING}: Received Event MSC_A_EV_UNUSED
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:LU){MSC_A_ST_RELEASING}: state_chg to MSC_A_ST_RELEASED
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:LU){MSC_A_ST_RELEASED}: Released: msc_a use is 0 (-)
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:LU){MSC_A_ST_RELEASED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR vlr_lu_fsm(IMSI-901700000010650:MSISDN-46071:GERAN-A:LU){VLR_ULA_S_DONE}: Terminating in cascade, depth 2 (cause = OSMO_FSM_TERM_PARENT, caused by: msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:LU))
+DVLR vlr_lu_fsm(IMSI-901700000010650:MSISDN-46071:GERAN-A:LU){VLR_ULA_S_DONE}: Removing from parent msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:LU)
+DVLR vlr_lu_fsm(IMSI-901700000010650:MSISDN-46071:GERAN-A:LU){VLR_ULA_S_DONE}: fsm_lu_cleanup called with cause OSMO_FSM_TERM_PARENT
+DVLR vlr_lu_fsm(IMSI-901700000010650:MSISDN-46071:GERAN-A:LU){VLR_ULA_S_DONE}: Deferring: will deallocate with msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:LU)
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:LU){MSC_A_ST_RELEASED}: Removing from parent msub_fsm
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:LU){MSC_A_ST_RELEASED}: max total use count was 3
+DMSC msub_fsm{active}: Received Event MSUB_EV_ROLE_TERMINATED
+DMSC msub(IMSI-901700000010650:MSISDN-46071) MSC-A terminated
+DMSC msub(IMSI-901700000010650:MSISDN-46071) 1 MSC-I still active
+DMSC msub_fsm{active}: state_chg to terminating
+DMSC msub_fsm{terminating}: Terminating in cascade, depth 2 (cause = OSMO_FSM_TERM_REGULAR, caused by: msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:LU))
+DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-46071:GERAN-A:LU){0}: Terminating in cascade, depth 3 (cause = OSMO_FSM_TERM_PARENT, caused by: msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:LU))
+DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-46071:GERAN-A:LU){0}: Removing from parent msub_fsm
+DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-46071:GERAN-A:LU){0}: Deferring: will deallocate with msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:LU)
+DMSC msub(IMSI-901700000010650:MSISDN-46071) Free
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 - active-conn: now used by 1 (attached)
+DMSC msub_fsm{terminating}: Deferring: will deallocate with msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:LU)
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:LU){MSC_A_ST_RELEASED}: Deallocated, including all deferred deallocations
+- msub gone
+  llist_count(&msub_list) == 0
+
+
+- ======================== MO call: AMR picked by both MO and MT
+- CM Service Request with Codec List (BSS Supported) = FR1 FR2 FR3 HR1 HR3
+  MSC <--GERAN-A-- MS: GSM48_MT_MM_CM_SERV_REQ
+  new conn
+DMSC msub_fsm{active}: Allocated
+DMSC msc_a{MSC_A_ST_VALIDATE_L3}: Allocated
+DMSC msc_a{MSC_A_ST_VALIDATE_L3}: is child of msub_fsm
+DMSC msc_a(unknown:GERAN-A:NONE){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_VALIDATE_L3
+DMSC dummy_msc_i{0}: Allocated
+DMSC dummy_msc_i{0}: is child of msub_fsm
+DREF msc_a(unknown:GERAN-A:NONE){MSC_A_ST_VALIDATE_L3}: + rx_from_ms: now used by 1 (rx_from_ms)
+DBSSAP msc_a(unknown:GERAN-A:NONE){MSC_A_ST_VALIDATE_L3}: RAN decode: COMPL_L3
+DBSSAP msc_a(unknown:GERAN-A:NONE){MSC_A_ST_VALIDATE_L3}: Complete Layer 3: Codec List (BSS Supported): GSM#3,GSM-EFR#110,AMR:octet-align=1#112,GSM-HR-08#111
+DRLL msc_a(unknown:GERAN-A:NONE){MSC_A_ST_VALIDATE_L3}: Dispatching 04.08 message: MM GSM48_MT_MM_CM_SERV_REQ
+DMM msc_a(IMSI-901700000010650:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_VALIDATE_L3}: Rx CM SERVICE REQUEST cm_service_type=MO-Call
+DREF msc_a(IMSI-901700000010650:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_VALIDATE_L3}: + cm_service_cc: now used by 2 (rx_from_ms,cm_service_cc)
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:GERAN-A:CM_SERVICE_REQ){PR_ARQ_S_INIT}: Allocated
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:GERAN-A:CM_SERVICE_REQ){PR_ARQ_S_INIT}: is child of msc_a(IMSI-901700000010650:GERAN-A:CM_SERVICE_REQ)
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:GERAN-A:CM_SERVICE_REQ){PR_ARQ_S_INIT}: rev=R99 net=GERAN (no Auth)
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:GERAN-A:CM_SERVICE_REQ){PR_ARQ_S_INIT}: Received Event PR_ARQ_E_START
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 + proc_arq_vlr_fn_init: now used by 2 (attached,proc_arq_vlr_fn_init)
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 + active-conn: now used by 3 (attached,proc_arq_vlr_fn_init,active-conn)
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_VALIDATE_L3}: Received Event MSC_A_EV_COMPLETE_LAYER_3_OK
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_AUTH_CIPH
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){PR_ARQ_S_INIT}: proc_arq_vlr_fn_post_imsi()
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){PR_ARQ_S_INIT}: _proc_arq_vlr_node2()
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){PR_ARQ_S_INIT}: _proc_arq_vlr_node2_post_ciph()
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_AUTH_CIPH}: RAN encode: COMMON_ID on GERAN-A
+DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){0}: Received Event MSC_I_EV_FROM_A_FORWARD_ACCESS_SIGNALLING_REQUEST
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){PR_ARQ_S_INIT}: _proc_arq_vlr_node2_post_vlr()
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){PR_ARQ_S_INIT}: _proc_arq_vlr_post_pres()
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){PR_ARQ_S_INIT}: _proc_arq_vlr_post_trace()
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){PR_ARQ_S_INIT}: _proc_arq_vlr_post_imei()
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){PR_ARQ_S_INIT}: proc_arq_fsm_done(PASSED)
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){PR_ARQ_S_INIT}: state_chg to PR_ARQ_S_DONE
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){PR_ARQ_S_DONE}: Process Access Request result: PASSED
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_AUTH_CIPH}: Sending DTAP: MM GSM48_MT_MM_CM_SERV_ACC
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_AUTH_CIPH}: RAN encode: DTAP on GERAN-A
+- DTAP --GERAN-A--> MS: GSM48_MT_MM_CM_SERV_ACC: 0521
+DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){0}: Received Event MSC_I_EV_FROM_A_FORWARD_ACCESS_SIGNALLING_REQUEST
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_AUTH_CIPH}: Received Event MSC_A_EV_AUTHENTICATED
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_AUTH_CIPH}: state_chg to MSC_A_ST_AUTHENTICATED
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 - proc_arq_vlr_fn_init: now used by 2 (attached,active-conn)
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_AUTHENTICATED}: - rx_from_ms: now used by 1 (cm_service_cc)
+  cm_service_result_sent == 1
+msc_a_is_accepted() == true
+- MS sends CC SETUP with Bearer Capability =  AMR AMR AMR GSM-EFR GSM GSM-HR-08
+  MSC <--GERAN-A-- MS: GSM48_MT_CC_SETUP
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_AUTHENTICATED}: + rx_from_ms: now used by 2 (cm_service_cc,rx_from_ms)
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_AUTHENTICATED}: RAN decode: DTAP
+DRLL msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_AUTHENTICATED}: Dispatching 04.08 message: CC GSM48_MT_CC_SETUP
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 + CC: now used by 3 (attached,active-conn,CC)
+DCC trans(CC:NULL IMSI-901700000010650:MSISDN-46071 callref-0x80000004 tid-8) New transaction
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_AUTHENTICATED}: Received Event MSC_A_EV_TRANSACTION_ACCEPTED
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_AUTHENTICATED}: state_chg to MSC_A_ST_COMMUNICATING
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: + cc: now used by 3 (cm_service_cc,rx_from_ms,cc)
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: - cm_service_cc: now used by 2 (rx_from_ms,cc)
+DCC trans(CC:NULL IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000004 tid-8) rx SETUP in state NULL
+DCC trans(CC:NULL IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000004 tid-8) starting guard timer with 180 seconds
+DCC trans(CC:NULL IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000004 tid-8) SETUP to 123
+DCC trans(CC:NULL IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000004 tid-8) codecs: :0{AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111} (from: MS={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111} bss={GSM#3,GSM-EFR#110,AMR:octet-align=1#112,GSM-HR-08#111} RAN={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111})
+DCC trans(CC:NULL IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000004 tid-8) new state NULL -> INITIATED
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: Starting call assignment
+DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){ESTABLISHING}: Allocated
+DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){ESTABLISHING}: is child of msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ)
+  MGW <--CRCX to RTP_TO_CN-- MSC: callref=0x80000004 codecs=AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){UNINITIALIZED}: Allocated
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){UNINITIALIZED}: is child of call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483652:RTP_TO_CN:no-CI){UNINITIALIZED}: setting codecs to AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111
+  MGW <--CRCX to RTP_TO_RAN-- MSC: callref=0x80000004 codecs=AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){UNINITIALIZED}: Allocated
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){UNINITIALIZED}: is child of call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483652:RTP_TO_RAN:no-CI){UNINITIALIZED}: setting codecs to AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: - rx_from_ms: now used by 1 (cc)
+- As soon as the MGW port towards CN is created, MNCC_SETUP_IND is triggered
+  MGW --CRCX OK to RTP_TO_CN--> MSC
+DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){ESTABLISHING}: Received Event CALL_LEG_EV_RTP_STREAM_ADDR_AVAILABLE
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: Received Event MSC_EV_CALL_LEG_RTP_LOCAL_ADDR_AVAILABLE
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: MGW endpoint's RTP address available for the CI RTP_TO_CN: 10.23.23.1:23 (osmux=no:-2)
+DMNCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000004 tid-8) tx MNCC_SETUP_IND (RTP=10.23.23.1:23{AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111})
+  MSC --> MNCC: callref 0x80000004: MNCC_SETUP_IND
+v=0

+o=OsmoMSC 0 0 IN IP4 10.23.23.1

+s=GSM Call

+c=IN IP4 10.23.23.1

+t=0 0

+m=audio 23 RTP/AVP 112 110 3 111

+a=rtpmap:112 AMR/8000

+a=fmtp:112 octet-align=1

+a=rtpmap:110 GSM-EFR/8000

+a=rtpmap:3 GSM/8000

+a=rtpmap:111 GSM-HR-08/8000

+a=ptime:20

+
+- VALIDATE_SDP OK: cc_to_mncc_tx_last_sdp == t->mo_tx_sdp_mncc_setup_ind == AMR GSM-EFR GSM GSM-HR-08
+- MNCC replies with MNCC_RTP_CREATE, causing MGW endpoint CRCX to RAN
+  MSC <-- MNCC: callref 0x80000004: MNCC_RTP_CREATE
+
+DMNCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000004 tid-8) rx MNCC_RTP_CREATE
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: Assignment for this trans already started earlier
+- MGW acknowledges the CRCX, triggering Assignment with FR3 HR3 FR2 FR1 HR1
+  MGW --CRCX OK to RTP_TO_RAN--> MSC
+DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){ESTABLISHING}: Received Event CALL_LEG_EV_RTP_STREAM_ADDR_AVAILABLE
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: Received Event MSC_EV_CALL_LEG_RTP_LOCAL_ADDR_AVAILABLE
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: MGW endpoint's RTP address available for the CI RTP_TO_RAN: 10.23.23.1:23 (osmux=no:-2)
+DCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000004 tid-8) Sending Assignment Command with codecs: 10.23.23.1:23{AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111} (from: MS={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111} bss={GSM#3,GSM-EFR#110,AMR:octet-align=1#112,GSM-HR-08#111} RAN={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111})
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: RAN encode: ASSIGNMENT_COMMAND on GERAN-A
+DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){0}: Received Event MSC_I_EV_FROM_A_FORWARD_ACCESS_SIGNALLING_REQUEST
+- VALIDATE_PERM_SPEECH OK: &bssap_assignment_command_last_channel_type == t->mo_tx_assignment_perm_speech == FR3 HR3 FR2 FR1 HR1
+- Assignment succeeds, triggering MNCC_RTP_CREATE ack to MNCC
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: RAN decode: ASSIGNMENT_COMPLETE
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483652:RTP_TO_RAN:no-CI){UNINITIALIZED}: setting codecs to AMR:octet-align=1#112
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483652:RTP_TO_RAN:no-CI:local-10-23-23-1-23){UNINITIALIZED}: setting remote addr to 1.2.3.4:1234
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483652:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Not committing: no MGW endpoint CI set up
+DCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000004 tid-8) Assignment Complete: RAN: AMR:octet-align=1#112, CN: AMR:octet-align=1#112
+DCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000004 tid-8) codecs: 10.23.23.1:23{AMR:octet-align=1#112} (from: assigned=AMR:octet-align=1#112 MS={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111} bss={GSM#3,GSM-EFR#110,AMR:octet-align=1#112,GSM-HR-08#111} RAN={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111})
+DMNCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000004 tid-8) tx MNCC_RTP_CREATE (RTP=10.23.23.1:23{AMR:octet-align=1#112})
+  MSC --> MNCC: callref 0x80000004: MNCC_RTP_CREATE
+v=0

+o=OsmoMSC 0 0 IN IP4 10.23.23.1

+s=GSM Call

+c=IN IP4 10.23.23.1

+t=0 0

+m=audio 23 RTP/AVP 112

+a=rtpmap:112 AMR/8000

+a=fmtp:112 octet-align=1

+a=ptime:20

+
+- VALIDATE_SDP OK: cc_to_mncc_tx_last_sdp == t->mo_tx_sdp_mncc_rtp_create == AMR
+- MNCC says that's fine
+  MSC <-- MNCC: callref 0x80000004: MNCC_CALL_PROC_REQ
+
+DMNCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000004 tid-8) rx MNCC_CALL_PROC_REQ
+DCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000004 tid-8) stopping pending guard timer
+DCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000004 tid-8) starting guard timer with 180 seconds
+DCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000004 tid-8) new state INITIATED -> MO_CALL_PROC
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: Sending DTAP: CC GSM48_MT_CC_CALL_PROC
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: RAN encode: DTAP on GERAN-A
+- DTAP --GERAN-A--> MS: GSM48_MT_CC_CALL_PROC: 8302
+- DTAP matches expected message
+DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){0}: Received Event MSC_I_EV_FROM_A_FORWARD_ACCESS_SIGNALLING_REQUEST
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: Assignment for this trans already started earlier
+- Total time passed: 1.000023 s
+- The other call leg got established (not shown here), MNCC tells us so, with codecs { AMR }
+  MSC <-- MNCC: callref 0x80000004: MNCC_ALERT_REQ
+v=0

+o=OsmoMSC 0 0 IN IP4 1.2.3.4

+s=GSM Call

+c=IN IP4 1.2.3.4

+t=0 0

+m=audio 56 RTP/AVP 112

+a=rtpmap:112 AMR/8000

+a=fmtp:112 octet-align=1

+a=ptime:20

+
+DMNCC trans(CC:MO_CALL_PROC IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000004 tid-8) rx MNCC_ALERT_REQ (RTP=1.2.3.4:56{AMR:octet-align=1#112})
+DCC trans(CC:MO_CALL_PROC IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000004 tid-8) stopping pending guard timer
+DCC trans(CC:MO_CALL_PROC IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000004 tid-8) starting guard timer with 180 seconds
+DCC trans(CC:MO_CALL_PROC IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000004 tid-8) new state MO_CALL_PROC -> CALL_DELIVERED
+DCC trans(CC:CALL_DELIVERED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000004 tid-8) MNCC_ALERT_REQ codecs: 10.23.23.1:23{AMR:octet-align=1#112} (from: assigned=AMR:octet-align=1#112 remote=1.2.3.4:56{AMR:octet-align=1#112} MS={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111} bss={GSM#3,GSM-EFR#110,AMR:octet-align=1#112,GSM-HR-08#111} RAN={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111})
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483652:RTP_TO_CN:no-CI){UNINITIALIZED}: setting codecs to AMR:octet-align=1#112
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483652:RTP_TO_CN:no-CI:local-10-23-23-1-23){UNINITIALIZED}: setting remote addr to 1.2.3.4:56
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483652:RTP_TO_CN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-56){UNINITIALIZED}: Not committing: no MGW endpoint CI set up
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: Sending DTAP: CC GSM48_MT_CC_ALERTING
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: RAN encode: DTAP on GERAN-A
+- DTAP --GERAN-A--> MS: GSM48_MT_CC_ALERTING: 8301
+- DTAP matches expected message
+DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){0}: Received Event MSC_I_EV_FROM_A_FORWARD_ACCESS_SIGNALLING_REQUEST
+  MSC <-- MNCC: callref 0x80000004: MNCC_SETUP_RSP
+v=0

+o=OsmoMSC 0 0 IN IP4 1.2.3.4

+s=GSM Call

+c=IN IP4 1.2.3.4

+t=0 0

+m=audio 56 RTP/AVP 112

+a=rtpmap:112 AMR/8000

+a=fmtp:112 octet-align=1

+a=ptime:20

+
+DMNCC trans(CC:CALL_DELIVERED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000004 tid-8) rx MNCC_SETUP_RSP (RTP=1.2.3.4:56{AMR:octet-align=1#112})
+DCC trans(CC:CALL_DELIVERED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000004 tid-8) stopping pending guard timer
+DCC trans(CC:CALL_DELIVERED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000004 tid-8) starting guard timer with 180 seconds
+DCC trans(CC:CALL_DELIVERED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000004 tid-8) starting timer T313 with 30 seconds
+DCC trans(CC:CALL_DELIVERED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000004 tid-8) new state CALL_DELIVERED -> CONNECT_IND
+DCC trans(CC:CONNECT_IND IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000004 tid-8) MNCC_SETUP_RSP codecs: 10.23.23.1:23{AMR:octet-align=1#112} (from: assigned=AMR:octet-align=1#112 remote=1.2.3.4:56{AMR:octet-align=1#112} MS={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111} bss={GSM#3,GSM-EFR#110,AMR:octet-align=1#112,GSM-HR-08#111} RAN={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111})
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483652:RTP_TO_CN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-56){UNINITIALIZED}: no change: codecs already set to AMR:octet-align=1#112
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483652:RTP_TO_CN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-56){UNINITIALIZED}: remote addr already 1.2.3.4:56, no change
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483652:RTP_TO_CN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-56){UNINITIALIZED}: Not committing: no MGW endpoint CI set up
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: Sending DTAP: CC GSM48_MT_CC_CONNECT
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: RAN encode: DTAP on GERAN-A
+- DTAP --GERAN-A--> MS: GSM48_MT_CC_CONNECT: 8307
+- DTAP matches expected message
+DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){0}: Received Event MSC_I_EV_FROM_A_FORWARD_ACCESS_SIGNALLING_REQUEST
+- Total time passed: 2.000046 s
+  MSC <--GERAN-A-- MS: GSM48_MT_CC_CONNECT_ACK
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: + rx_from_ms: now used by 2 (cc,rx_from_ms)
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: RAN decode: DTAP
+DRLL msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: Dispatching 04.08 message: CC GSM48_MT_CC_CONNECT_ACK
+DCC trans(CC:CONNECT_IND IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000004 tid-8) rx CONNECT_ACK in state CONNECT_IND
+DCC trans(CC:CONNECT_IND IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000004 tid-8) stopping pending timer T313
+DCC trans(CC:CONNECT_IND IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000004 tid-8) new state CONNECT_IND -> ACTIVE
+DCC trans(CC:ACTIVE IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000004 tid-8) stopping pending guard timer
+DMNCC trans(CC:ACTIVE IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000004 tid-8) tx MNCC_SETUP_COMPL_IND
+  MSC --> MNCC: callref 0x80000004: MNCC_SETUP_COMPL_IND
+
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: - rx_from_ms: now used by 1 (cc)
+- VALIDATE_SDP OK: cc_to_mncc_tx_last_sdp == t->mo_tx_sdp_mncc_setup_compl_ind ==
+
+
+- RTP stream goes ahead, not shown here.
+- Total time passed: 125.000091 s
+
+
+- Call ends
+  MSC <--GERAN-A-- MS: GSM48_MT_CC_DISCONNECT
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: + rx_from_ms: now used by 2 (cc,rx_from_ms)
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: RAN decode: DTAP
+DRLL msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: Dispatching 04.08 message: CC GSM48_MT_CC_DISCONNECT
+DCC trans(CC:ACTIVE IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000004 tid-8) rx DISCONNECT in state ACTIVE
+DCC trans(CC:ACTIVE IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000004 tid-8) new state ACTIVE -> DISCONNECT_IND
+DMNCC trans(CC:DISCONNECT_IND IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000004 tid-8) tx MNCC_DISC_IND
+  MSC --> MNCC: callref 0x80000004: MNCC_DISC_IND
+
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: - rx_from_ms: now used by 1 (cc)
+  MSC <-- MNCC: callref 0x80000004: MNCC_REL_REQ
+v=0

+o=OsmoMSC 0 0 IN IP4 1.2.3.4

+s=GSM Call

+c=IN IP4 1.2.3.4

+t=0 0

+m=audio 56 RTP/AVP 112

+a=rtpmap:112 AMR/8000

+a=fmtp:112 octet-align=1

+a=ptime:20

+
+DMNCC trans(CC:DISCONNECT_IND IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000004 tid-8) rx MNCC_REL_REQ
+DCC trans(CC:DISCONNECT_IND IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000004 tid-8) starting guard timer with 180 seconds
+DCC trans(CC:DISCONNECT_IND IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000004 tid-8) starting timer T308 with 10 seconds
+DCC trans(CC:DISCONNECT_IND IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000004 tid-8) new state DISCONNECT_IND -> RELEASE_REQ
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: Sending DTAP: CC GSM48_MT_CC_RELEASE
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: RAN encode: DTAP on GERAN-A
+- DTAP --GERAN-A--> MS: GSM48_MT_CC_RELEASE: 832d
+- DTAP matches expected message
+DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){0}: Received Event MSC_I_EV_FROM_A_FORWARD_ACCESS_SIGNALLING_REQUEST
+  MSC <--GERAN-A-- MS: GSM48_MT_CC_RELEASE_COMPL
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: + rx_from_ms: now used by 2 (cc,rx_from_ms)
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: RAN decode: DTAP
+DRLL msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: Dispatching 04.08 message: CC GSM48_MT_CC_RELEASE_COMPL
+DCC trans(CC:RELEASE_REQ IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000004 tid-8) rx RELEASE_COMPL in state RELEASE_REQ
+DCC trans(CC:RELEASE_REQ IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000004 tid-8) stopping pending timer T308
+DMNCC trans(CC:RELEASE_REQ IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000004 tid-8) tx MNCC_REL_CNF
+  MSC --> MNCC: callref 0x80000004: MNCC_REL_CNF
+
+DCC trans(CC:RELEASE_REQ IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x0 tid-8) Freeing transaction
+DCC trans(CC:RELEASE_REQ IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x0 tid-8) new state RELEASE_REQ -> NULL
+DCC trans(CC:NULL IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x0 tid-8) stopping pending guard timer
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 - CC: now used by 2 (attached,active-conn)
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: - cc: now used by 1 (rx_from_ms)
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: - rx_from_ms: now used by 0 (-)
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: Received Event MSC_A_EV_UNUSED
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: state_chg to MSC_A_ST_RELEASING
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_RELEASING}: Releasing: msc_a use is 0 (-)
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 + msc_a_fsm_releasing_onenter: now used by 3 (attached,active-conn,msc_a_fsm_releasing_onenter)
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 + vlr_subscr_cancel_attach_fsm: now used by 4 (attached,active-conn,msc_a_fsm_releasing_onenter,vlr_subscr_cancel_attach_fsm)
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 - vlr_subscr_cancel_attach_fsm: now used by 3 (attached,active-conn,msc_a_fsm_releasing_onenter)
+DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){ESTABLISHING}: state_chg to RELEASING
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483652:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483652:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Removing from parent call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483652:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Deallocated
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483652:RTP_TO_CN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-56){UNINITIALIZED}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483652:RTP_TO_CN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-56){UNINITIALIZED}: Removing from parent call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483652:RTP_TO_CN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-56){UNINITIALIZED}: Deallocated
+DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){RELEASING}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){RELEASING}: Removing from parent msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ)
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_RELEASING}: Received Event MSC_EV_CALL_LEG_TERM
+DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){RELEASING}: Deallocated
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_RELEASING}: + wait-Clear-Complete: now used by 1 (wait-Clear-Complete)
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_RELEASING}: RAN encode: CLEAR_COMMAND on GERAN-A
+DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){0}: Received Event MSC_I_EV_FROM_A_FORWARD_ACCESS_SIGNALLING_REQUEST
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 - msc_a_fsm_releasing_onenter: now used by 2 (attached,active-conn)
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_RELEASING}: RAN decode: CLEAR_COMPLETE
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_RELEASING}: - wait-Clear-Complete: now used by 0 (-)
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_RELEASING}: Received Event MSC_A_EV_UNUSED
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_RELEASING}: state_chg to MSC_A_ST_RELEASED
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_RELEASED}: Released: msc_a use is 0 (-)
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_RELEASED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){PR_ARQ_S_DONE}: Terminating in cascade, depth 2 (cause = OSMO_FSM_TERM_PARENT, caused by: msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ))
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){PR_ARQ_S_DONE}: Removing from parent msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ)
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){PR_ARQ_S_DONE}: Deferring: will deallocate with msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ)
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_RELEASED}: Removing from parent msub_fsm
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_RELEASED}: max total use count was 3
+DMSC msub_fsm{active}: Received Event MSUB_EV_ROLE_TERMINATED
+DMSC msub(IMSI-901700000010650:MSISDN-46071) MSC-A terminated
+DMSC msub(IMSI-901700000010650:MSISDN-46071) 1 MSC-I still active
+DMSC msub_fsm{active}: state_chg to terminating
+DMSC msub_fsm{terminating}: Terminating in cascade, depth 2 (cause = OSMO_FSM_TERM_REGULAR, caused by: msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ))
+DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){0}: Terminating in cascade, depth 3 (cause = OSMO_FSM_TERM_PARENT, caused by: msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ))
+DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){0}: Removing from parent msub_fsm
+DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){0}: Deferring: will deallocate with msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ)
+DMSC msub(IMSI-901700000010650:MSISDN-46071) Free
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 - active-conn: now used by 1 (attached)
+DMSC msub_fsm{terminating}: Deferring: will deallocate with msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ)
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_RELEASED}: Deallocated, including all deferred deallocations
+- msub gone
+  llist_count(&msub_list) == 0
+
+
+- ======================== SUCCESS: MO call: AMR picked by both MO and MT
+
+
+- ======================== MT call: AMR picked by both MO and MT
+
+
+- MNCC asks us to setup a call, causing Paging
+  MSC <-- MNCC: callref 0x423: MNCC_SETUP_REQ
+v=0

+o=OsmoMSC 0 0 IN IP4 1.2.3.4

+s=GSM Call

+c=IN IP4 1.2.3.4

+t=0 0

+m=audio 56 RTP/AVP 112

+a=rtpmap:112 AMR/8000

+a=fmtp:112 octet-align=1

+a=ptime:20

+
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 + mncc_tx_to_gsm_cc: now used by 2 (attached,mncc_tx_to_gsm_cc)
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 + CC: now used by 3 (attached,mncc_tx_to_gsm_cc,CC)
+DCC trans(CC:NULL IMSI-901700000010650:MSISDN-46071 callref-0x423 tid-255) New transaction
+DMNCC trans(CC:NULL IMSI-901700000010650:MSISDN-46071 callref-0x423 tid-255) rx MNCC_SETUP_REQ (RTP=1.2.3.4:56{AMR:octet-align=1#112})
+DPAG Paging: IMSI-901700000010650:MSISDN-46071 for MNCC: establish call: Starting paging
+  paging request (CALL_CONVERSATIONAL) to IMSI-901700000010650:MSISDN-46071 on GERAN-A
+  strcmp(paging_expecting_imsi, vsub->imsi) == 0
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 + Paging: now used by 4 (attached,mncc_tx_to_gsm_cc,CC,Paging)
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 - mncc_tx_to_gsm_cc: now used by 3 (attached,CC,Paging)
+  paging_sent == 1
+- MS replies with Paging Response, with Codec List (BSS Supported) = FR1 FR2 FR3 HR1 HR3
+- VLR accepts, MSC sends CC Setup with Bearer Capability =  AMR AMR AMR
+  MSC <--GERAN-A-- MS: GSM48_MT_RR_PAG_RESP
+  new conn
+DMSC msub_fsm{active}: Allocated
+DMSC msc_a{MSC_A_ST_VALIDATE_L3}: Allocated
+DMSC msc_a{MSC_A_ST_VALIDATE_L3}: is child of msub_fsm
+DMSC msc_a(unknown:GERAN-A:NONE){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_VALIDATE_L3
+DMSC dummy_msc_i{0}: Allocated
+DMSC dummy_msc_i{0}: is child of msub_fsm
+DREF msc_a(unknown:GERAN-A:NONE){MSC_A_ST_VALIDATE_L3}: + rx_from_ms: now used by 1 (rx_from_ms)
+DBSSAP msc_a(unknown:GERAN-A:NONE){MSC_A_ST_VALIDATE_L3}: RAN decode: COMPL_L3
+DBSSAP msc_a(unknown:GERAN-A:NONE){MSC_A_ST_VALIDATE_L3}: Complete Layer 3: Codec List (BSS Supported): GSM#3,GSM-EFR#110,AMR:octet-align=1#112,GSM-HR-08#111
+DRLL msc_a(unknown:GERAN-A:NONE){MSC_A_ST_VALIDATE_L3}: Dispatching 04.08 message: RR GSM48_MT_RR_PAG_RESP
+DRR msc_a(IMSI-901700000010650:GERAN-A:PAGING_RESP){MSC_A_ST_VALIDATE_L3}: Rx PAGING RESPONSE IMSI-901700000010650
+DREF msc_a(IMSI-901700000010650:GERAN-A:PAGING_RESP){MSC_A_ST_VALIDATE_L3}: + paging-response: now used by 2 (rx_from_ms,paging-response)
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:GERAN-A:PAGING_RESP){PR_ARQ_S_INIT}: Allocated
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:GERAN-A:PAGING_RESP){PR_ARQ_S_INIT}: is child of msc_a(IMSI-901700000010650:GERAN-A:PAGING_RESP)
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:GERAN-A:PAGING_RESP){PR_ARQ_S_INIT}: rev=R99 net=GERAN (no Auth)
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:GERAN-A:PAGING_RESP){PR_ARQ_S_INIT}: Received Event PR_ARQ_E_START
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 + proc_arq_vlr_fn_init: now used by 4 (attached,CC,Paging,proc_arq_vlr_fn_init)
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 + active-conn: now used by 5 (attached,CC,Paging,proc_arq_vlr_fn_init,active-conn)
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_VALIDATE_L3}: Received Event MSC_A_EV_COMPLETE_LAYER_3_OK
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_AUTH_CIPH
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){PR_ARQ_S_INIT}: proc_arq_vlr_fn_post_imsi()
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){PR_ARQ_S_INIT}: _proc_arq_vlr_node2()
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){PR_ARQ_S_INIT}: _proc_arq_vlr_node2_post_ciph()
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_AUTH_CIPH}: RAN encode: COMMON_ID on GERAN-A
+DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){0}: Received Event MSC_I_EV_FROM_A_FORWARD_ACCESS_SIGNALLING_REQUEST
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){PR_ARQ_S_INIT}: _proc_arq_vlr_node2_post_vlr()
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){PR_ARQ_S_INIT}: _proc_arq_vlr_post_pres()
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){PR_ARQ_S_INIT}: _proc_arq_vlr_post_trace()
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){PR_ARQ_S_INIT}: _proc_arq_vlr_post_imei()
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){PR_ARQ_S_INIT}: proc_arq_fsm_done(PASSED)
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){PR_ARQ_S_INIT}: state_chg to PR_ARQ_S_DONE
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){PR_ARQ_S_DONE}: Process Access Request result: PASSED
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_AUTH_CIPH}: Received Event MSC_A_EV_AUTHENTICATED
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_AUTH_CIPH}: state_chg to MSC_A_ST_AUTHENTICATED
+DPAG Paging: IMSI-901700000010650:MSISDN-46071 for MNCC: establish call: Paging Response action (success)
+DPAG Paging: IMSI-901700000010650:MSISDN-46071 for MNCC: establish call: Removing Paging Request
+DCC trans(CC:NULL IMSI-901700000010650:MSISDN-46071 callref-0x423 tid-255) Paging succeeded
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_AUTHENTICATED}: + cc: now used by 3 (rx_from_ms,paging-response,cc)
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_AUTHENTICATED}: Received Event MSC_A_EV_TRANSACTION_ACCEPTED
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_AUTHENTICATED}: state_chg to MSC_A_ST_COMMUNICATING
+DCC trans(CC:NULL IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) starting timer T303 with 30 seconds
+DCC trans(CC:NULL IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) codecs: :0{AMR:octet-align=1#112} (from: remote=1.2.3.4:56{AMR:octet-align=1#112} bss={GSM#3,GSM-EFR#110,AMR:octet-align=1#112,GSM-HR-08#111} RAN={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111})
+DCC trans(CC:NULL IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) new state NULL -> CALL_PRESENT
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: Sending DTAP: CC GSM48_MT_CC_SETUP
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: RAN encode: DTAP on GERAN-A
+- DTAP --GERAN-A--> MS: GSM48_MT_CC_SETUP: 030504046004058b
+- DTAP matches expected message
+DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){0}: Received Event MSC_I_EV_FROM_A_FORWARD_ACCESS_SIGNALLING_REQUEST
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 - Paging: now used by 4 (attached,CC,proc_arq_vlr_fn_init,active-conn)
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: - paging-response: now used by 2 (rx_from_ms,cc)
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 - proc_arq_vlr_fn_init: now used by 3 (attached,CC,active-conn)
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: - rx_from_ms: now used by 1 (cc)
+- MS confirms call, we create a RAN-side RTP and forward MNCC_CALL_CONF_IND
+  MSC <--GERAN-A-- MS: GSM48_MT_CC_CALL_CONF
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: + rx_from_ms: now used by 2 (cc,rx_from_ms)
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: RAN decode: DTAP
+DRLL msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: Dispatching 04.08 message: CC GSM48_MT_CC_CALL_CONF
+DCC trans(CC:CALL_PRESENT IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) rx CALL_CONF in state CALL_PRESENT
+DCC trans(CC:CALL_PRESENT IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) stopping pending timer T303
+DCC trans(CC:CALL_PRESENT IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) starting timer T310 with 30 seconds
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: Starting call assignment
+DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){ESTABLISHING}: Allocated
+DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){ESTABLISHING}: is child of msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP)
+  MGW <--CRCX to RTP_TO_CN-- MSC: callref=0x423 codecs=AMR:octet-align=1#112
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){UNINITIALIZED}: Allocated
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){UNINITIALIZED}: is child of call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-1059:RTP_TO_CN:no-CI){UNINITIALIZED}: setting codecs to AMR:octet-align=1#112
+  MGW <--CRCX to RTP_TO_RAN-- MSC: callref=0x423 codecs=AMR:octet-align=1#112
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){UNINITIALIZED}: Allocated
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){UNINITIALIZED}: is child of call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-1059:RTP_TO_RAN:no-CI){UNINITIALIZED}: setting codecs to AMR:octet-align=1#112
+DCC trans(CC:CALL_PRESENT IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) new state CALL_PRESENT -> MO_TERM_CALL_CONF
+DMNCC trans(CC:MO_TERM_CALL_CONF IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) tx MNCC_CALL_CONF_IND
+  MSC --> MNCC: callref 0x423: MNCC_CALL_CONF_IND
+
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: - rx_from_ms: now used by 1 (cc)
+- VALIDATE_SDP OK: cc_to_mncc_tx_last_sdp == t->mt_tx_sdp_mncc_call_conf_ind ==
+- MGW acknowledges the CRCX to RAN, triggering Assignment with FR3 HR3
+  MGW --CRCX OK to RTP_TO_RAN--> MSC
+DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){ESTABLISHING}: Received Event CALL_LEG_EV_RTP_STREAM_ADDR_AVAILABLE
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: Received Event MSC_EV_CALL_LEG_RTP_LOCAL_ADDR_AVAILABLE
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: MGW endpoint's RTP address available for the CI RTP_TO_RAN: 10.23.23.1:23 (osmux=no:-2)
+DCC trans(CC:MO_TERM_CALL_CONF IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) Sending Assignment Command with codecs: :0{AMR:octet-align=1#112} (from: remote=1.2.3.4:56{AMR:octet-align=1#112} MS={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111} bss={GSM#3,GSM-EFR#110,AMR:octet-align=1#112,GSM-HR-08#111} RAN={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111})
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: RAN encode: ASSIGNMENT_COMMAND on GERAN-A
+DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){0}: Received Event MSC_I_EV_FROM_A_FORWARD_ACCESS_SIGNALLING_REQUEST
+- VALIDATE_PERM_SPEECH OK: &bssap_assignment_command_last_channel_type == t->mt_tx_assignment_perm_speech == FR3 HR3
+- Assignment completes, triggering CRCX to CN
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: RAN decode: ASSIGNMENT_COMPLETE
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-1059:RTP_TO_RAN:no-CI){UNINITIALIZED}: no change: codecs already set to AMR:octet-align=1#112
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-1059:RTP_TO_RAN:no-CI){UNINITIALIZED}: setting remote addr to 1.2.3.4:1234
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-1059:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Not committing: no MGW endpoint CI set up
+DCC trans(CC:MO_TERM_CALL_CONF IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) Assignment Complete: RAN: AMR:octet-align=1#112, CN: AMR:octet-align=1#112
+DCC trans(CC:MO_TERM_CALL_CONF IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) Assignment complete, but still waiting for the CRCX OK on the CN side RTP
+- MNCC sends MNCC_RTP_CREATE, which first waits for the CN side RTP
+  MSC <-- MNCC: callref 0x423: MNCC_RTP_CREATE
+
+DMNCC trans(CC:MO_TERM_CALL_CONF IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) rx MNCC_RTP_CREATE
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: Assignment for this trans already started earlier
+- When the CN side RTP address is known, ack MNCC_RTP_CREATE
+  MGW --CRCX OK to RTP_TO_CN--> MSC
+DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){ESTABLISHING}: Received Event CALL_LEG_EV_RTP_STREAM_ADDR_AVAILABLE
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: Received Event MSC_EV_CALL_LEG_RTP_LOCAL_ADDR_AVAILABLE
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: MGW endpoint's RTP address available for the CI RTP_TO_CN: 10.23.23.1:23 (osmux=no:-2)
+DCC trans(CC:MO_TERM_CALL_CONF IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) codecs: 10.23.23.1:23{AMR:octet-align=1#112} (from: assigned=AMR:octet-align=1#112 remote=1.2.3.4:56{AMR:octet-align=1#112} MS={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111} bss={GSM#3,GSM-EFR#110,AMR:octet-align=1#112,GSM-HR-08#111} RAN={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111})
+DMNCC trans(CC:MO_TERM_CALL_CONF IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) tx MNCC_RTP_CREATE (RTP=10.23.23.1:23{AMR:octet-align=1#112})
+  MSC --> MNCC: callref 0x423: MNCC_RTP_CREATE
+v=0

+o=OsmoMSC 0 0 IN IP4 10.23.23.1

+s=GSM Call

+c=IN IP4 10.23.23.1

+t=0 0

+m=audio 23 RTP/AVP 112

+a=rtpmap:112 AMR/8000

+a=fmtp:112 octet-align=1

+a=ptime:20

+
+- VALIDATE_SDP OK: cc_to_mncc_tx_last_sdp == t->mt_tx_sdp_mncc_rtp_create == AMR
+- Total time passed: 126.000114 s
+  MSC <--GERAN-A-- MS: GSM48_MT_CC_ALERTING
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: + rx_from_ms: now used by 2 (cc,rx_from_ms)
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: RAN decode: DTAP
+DRLL msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: Dispatching 04.08 message: CC GSM48_MT_CC_ALERTING
+DCC trans(CC:MO_TERM_CALL_CONF IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) rx ALERTING in state MO_TERM_CALL_CONF
+DCC trans(CC:MO_TERM_CALL_CONF IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) stopping pending timer T310
+DCC trans(CC:MO_TERM_CALL_CONF IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) starting timer T301 with 180 seconds
+DCC trans(CC:MO_TERM_CALL_CONF IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) new state MO_TERM_CALL_CONF -> CALL_RECEIVED
+DCC trans(CC:CALL_RECEIVED IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) codecs: 10.23.23.1:23{AMR:octet-align=1#112} (from: assigned=AMR:octet-align=1#112 remote=1.2.3.4:56{AMR:octet-align=1#112} MS={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111} bss={GSM#3,GSM-EFR#110,AMR:octet-align=1#112,GSM-HR-08#111} RAN={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111})
+DMNCC trans(CC:CALL_RECEIVED IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) tx MNCC_ALERT_IND (RTP=10.23.23.1:23{AMR:octet-align=1#112})
+  MSC --> MNCC: callref 0x423: MNCC_ALERT_IND
+v=0

+o=OsmoMSC 0 0 IN IP4 10.23.23.1

+s=GSM Call

+c=IN IP4 10.23.23.1

+t=0 0

+m=audio 23 RTP/AVP 112

+a=rtpmap:112 AMR/8000

+a=fmtp:112 octet-align=1

+a=ptime:20

+
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: - rx_from_ms: now used by 1 (cc)
+- VALIDATE_SDP OK: cc_to_mncc_tx_last_sdp == t->mt_tx_sdp_mncc_alert_ind == AMR
+- Total time passed: 127.000137 s
+  MSC <--GERAN-A-- MS: GSM48_MT_CC_CONNECT
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: + rx_from_ms: now used by 2 (cc,rx_from_ms)
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: RAN decode: DTAP
+DRLL msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: Dispatching 04.08 message: CC GSM48_MT_CC_CONNECT
+DCC trans(CC:CALL_RECEIVED IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) rx CONNECT in state CALL_RECEIVED
+DCC trans(CC:CALL_RECEIVED IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) stopping pending timer T301
+DCC trans(CC:CALL_RECEIVED IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) new state CALL_RECEIVED -> CONNECT_REQUEST
+DMNCC trans(CC:CONNECT_REQUEST IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) tx MNCC_SETUP_CNF (RTP=10.23.23.1:23{AMR:octet-align=1#112})
+  MSC --> MNCC: callref 0x423: MNCC_SETUP_CNF
+v=0

+o=OsmoMSC 0 0 IN IP4 10.23.23.1

+s=GSM Call

+c=IN IP4 10.23.23.1

+t=0 0

+m=audio 23 RTP/AVP 112

+a=rtpmap:112 AMR/8000

+a=fmtp:112 octet-align=1

+a=ptime:20

+
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: - rx_from_ms: now used by 1 (cc)
+- VALIDATE_SDP OK: cc_to_mncc_tx_last_sdp == t->mt_tx_sdp_mncc_setup_cnf == AMR
+  MSC <-- MNCC: callref 0x423: MNCC_SETUP_COMPL_REQ
+
+DMNCC trans(CC:CONNECT_REQUEST IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) rx MNCC_SETUP_COMPL_REQ
+DCC trans(CC:CONNECT_REQUEST IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) starting guard timer with 180 seconds
+DCC trans(CC:CONNECT_REQUEST IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) new state CONNECT_REQUEST -> ACTIVE
+DCC trans(CC:ACTIVE IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) stopping pending guard timer
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: Sending DTAP: CC GSM48_MT_CC_CONNECT_ACK
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: RAN encode: DTAP on GERAN-A
+- DTAP --GERAN-A--> MS: GSM48_MT_CC_CONNECT_ACK: 030f
+- DTAP matches expected message
+DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){0}: Received Event MSC_I_EV_FROM_A_FORWARD_ACCESS_SIGNALLING_REQUEST
+
+
+- RTP stream goes ahead, not shown here.
+- Total time passed: 250.000182 s
+
+
+- Call ends
+  MSC <--GERAN-A-- MS: GSM48_MT_CC_DISCONNECT
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: + rx_from_ms: now used by 2 (cc,rx_from_ms)
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: RAN decode: DTAP
+DRLL msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: Dispatching 04.08 message: CC GSM48_MT_CC_DISCONNECT
+DCC trans(CC:ACTIVE IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) rx DISCONNECT in state ACTIVE
+DCC trans(CC:ACTIVE IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) new state ACTIVE -> DISCONNECT_IND
+DMNCC trans(CC:DISCONNECT_IND IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) tx MNCC_DISC_IND
+  MSC --> MNCC: callref 0x423: MNCC_DISC_IND
+
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: - rx_from_ms: now used by 1 (cc)
+  MSC <-- MNCC: callref 0x423: MNCC_REL_REQ
+
+DMNCC trans(CC:DISCONNECT_IND IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) rx MNCC_REL_REQ
+DCC trans(CC:DISCONNECT_IND IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) starting guard timer with 180 seconds
+DCC trans(CC:DISCONNECT_IND IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) starting timer T308 with 10 seconds
+DCC trans(CC:DISCONNECT_IND IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) new state DISCONNECT_IND -> RELEASE_REQ
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: Sending DTAP: CC GSM48_MT_CC_RELEASE
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: RAN encode: DTAP on GERAN-A
+- DTAP --GERAN-A--> MS: GSM48_MT_CC_RELEASE: 032d
+- DTAP matches expected message
+DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){0}: Received Event MSC_I_EV_FROM_A_FORWARD_ACCESS_SIGNALLING_REQUEST
+  MSC <--GERAN-A-- MS: GSM48_MT_CC_RELEASE_COMPL
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: + rx_from_ms: now used by 2 (cc,rx_from_ms)
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: RAN decode: DTAP
+DRLL msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: Dispatching 04.08 message: CC GSM48_MT_CC_RELEASE_COMPL
+DCC trans(CC:RELEASE_REQ IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) rx RELEASE_COMPL in state RELEASE_REQ
+DCC trans(CC:RELEASE_REQ IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) stopping pending timer T308
+DMNCC trans(CC:RELEASE_REQ IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) tx MNCC_REL_CNF
+  MSC --> MNCC: callref 0x423: MNCC_REL_CNF
+
+DCC trans(CC:RELEASE_REQ IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x0 tid-0) Freeing transaction
+DCC trans(CC:RELEASE_REQ IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x0 tid-0) new state RELEASE_REQ -> NULL
+DCC trans(CC:NULL IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x0 tid-0) stopping pending guard timer
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 - CC: now used by 2 (attached,active-conn)
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: - cc: now used by 1 (rx_from_ms)
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: - rx_from_ms: now used by 0 (-)
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: Received Event MSC_A_EV_UNUSED
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: state_chg to MSC_A_ST_RELEASING
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_RELEASING}: Releasing: msc_a use is 0 (-)
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 + msc_a_fsm_releasing_onenter: now used by 3 (attached,active-conn,msc_a_fsm_releasing_onenter)
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 + vlr_subscr_cancel_attach_fsm: now used by 4 (attached,active-conn,msc_a_fsm_releasing_onenter,vlr_subscr_cancel_attach_fsm)
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 - vlr_subscr_cancel_attach_fsm: now used by 3 (attached,active-conn,msc_a_fsm_releasing_onenter)
+DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){ESTABLISHING}: state_chg to RELEASING
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-1059:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-1059:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Removing from parent call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-1059:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Deallocated
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-1059:RTP_TO_CN:no-CI){UNINITIALIZED}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-1059:RTP_TO_CN:no-CI){UNINITIALIZED}: Removing from parent call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-1059:RTP_TO_CN:no-CI){UNINITIALIZED}: Deallocated
+DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){RELEASING}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){RELEASING}: Removing from parent msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP)
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_RELEASING}: Received Event MSC_EV_CALL_LEG_TERM
+DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){RELEASING}: Deallocated
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_RELEASING}: + wait-Clear-Complete: now used by 1 (wait-Clear-Complete)
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_RELEASING}: RAN encode: CLEAR_COMMAND on GERAN-A
+DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){0}: Received Event MSC_I_EV_FROM_A_FORWARD_ACCESS_SIGNALLING_REQUEST
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 - msc_a_fsm_releasing_onenter: now used by 2 (attached,active-conn)
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_RELEASING}: RAN decode: CLEAR_COMPLETE
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_RELEASING}: - wait-Clear-Complete: now used by 0 (-)
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_RELEASING}: Received Event MSC_A_EV_UNUSED
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_RELEASING}: state_chg to MSC_A_ST_RELEASED
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_RELEASED}: Released: msc_a use is 0 (-)
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_RELEASED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){PR_ARQ_S_DONE}: Terminating in cascade, depth 2 (cause = OSMO_FSM_TERM_PARENT, caused by: msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP))
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){PR_ARQ_S_DONE}: Removing from parent msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP)
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){PR_ARQ_S_DONE}: Deferring: will deallocate with msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP)
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_RELEASED}: Removing from parent msub_fsm
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_RELEASED}: max total use count was 3
+DMSC msub_fsm{active}: Received Event MSUB_EV_ROLE_TERMINATED
+DMSC msub(IMSI-901700000010650:MSISDN-46071) MSC-A terminated
+DMSC msub(IMSI-901700000010650:MSISDN-46071) 1 MSC-I still active
+DMSC msub_fsm{active}: state_chg to terminating
+DMSC msub_fsm{terminating}: Terminating in cascade, depth 2 (cause = OSMO_FSM_TERM_REGULAR, caused by: msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP))
+DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){0}: Terminating in cascade, depth 3 (cause = OSMO_FSM_TERM_PARENT, caused by: msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP))
+DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){0}: Removing from parent msub_fsm
+DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){0}: Deferring: will deallocate with msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP)
+DMSC msub(IMSI-901700000010650:MSISDN-46071) Free
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 - active-conn: now used by 1 (attached)
+DMSC msub_fsm{terminating}: Deferring: will deallocate with msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP)
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_RELEASED}: Deallocated, including all deferred deallocations
+- msub gone
+  llist_count(&msub_list) == 0
+
+
+- ======================== SUCCESS: MT call: AMR picked by both MO and MT
+
+
+- ======================== MO call: FR1 picked by MO from Codec List (BSS Supported), MT hence also picks FR1
+- CM Service Request with Codec List (BSS Supported) = FR1
+  MSC <--GERAN-A-- MS: GSM48_MT_MM_CM_SERV_REQ
+  new conn
+DMSC msub_fsm{active}: Allocated
+DMSC msc_a{MSC_A_ST_VALIDATE_L3}: Allocated
+DMSC msc_a{MSC_A_ST_VALIDATE_L3}: is child of msub_fsm
+DMSC msc_a(unknown:GERAN-A:NONE){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_VALIDATE_L3
+DMSC dummy_msc_i{0}: Allocated
+DMSC dummy_msc_i{0}: is child of msub_fsm
+DREF msc_a(unknown:GERAN-A:NONE){MSC_A_ST_VALIDATE_L3}: + rx_from_ms: now used by 1 (rx_from_ms)
+DBSSAP msc_a(unknown:GERAN-A:NONE){MSC_A_ST_VALIDATE_L3}: RAN decode: COMPL_L3
+DBSSAP msc_a(unknown:GERAN-A:NONE){MSC_A_ST_VALIDATE_L3}: Complete Layer 3: Codec List (BSS Supported): GSM#3
+DRLL msc_a(unknown:GERAN-A:NONE){MSC_A_ST_VALIDATE_L3}: Dispatching 04.08 message: MM GSM48_MT_MM_CM_SERV_REQ
+DMM msc_a(IMSI-901700000010650:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_VALIDATE_L3}: Rx CM SERVICE REQUEST cm_service_type=MO-Call
+DREF msc_a(IMSI-901700000010650:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_VALIDATE_L3}: + cm_service_cc: now used by 2 (rx_from_ms,cm_service_cc)
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:GERAN-A:CM_SERVICE_REQ){PR_ARQ_S_INIT}: Allocated
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:GERAN-A:CM_SERVICE_REQ){PR_ARQ_S_INIT}: is child of msc_a(IMSI-901700000010650:GERAN-A:CM_SERVICE_REQ)
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:GERAN-A:CM_SERVICE_REQ){PR_ARQ_S_INIT}: rev=R99 net=GERAN (no Auth)
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:GERAN-A:CM_SERVICE_REQ){PR_ARQ_S_INIT}: Received Event PR_ARQ_E_START
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 + proc_arq_vlr_fn_init: now used by 2 (attached,proc_arq_vlr_fn_init)
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 + active-conn: now used by 3 (attached,proc_arq_vlr_fn_init,active-conn)
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_VALIDATE_L3}: Received Event MSC_A_EV_COMPLETE_LAYER_3_OK
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_AUTH_CIPH
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){PR_ARQ_S_INIT}: proc_arq_vlr_fn_post_imsi()
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){PR_ARQ_S_INIT}: _proc_arq_vlr_node2()
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){PR_ARQ_S_INIT}: _proc_arq_vlr_node2_post_ciph()
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_AUTH_CIPH}: RAN encode: COMMON_ID on GERAN-A
+DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){0}: Received Event MSC_I_EV_FROM_A_FORWARD_ACCESS_SIGNALLING_REQUEST
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){PR_ARQ_S_INIT}: _proc_arq_vlr_node2_post_vlr()
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){PR_ARQ_S_INIT}: _proc_arq_vlr_post_pres()
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){PR_ARQ_S_INIT}: _proc_arq_vlr_post_trace()
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){PR_ARQ_S_INIT}: _proc_arq_vlr_post_imei()
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){PR_ARQ_S_INIT}: proc_arq_fsm_done(PASSED)
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){PR_ARQ_S_INIT}: state_chg to PR_ARQ_S_DONE
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){PR_ARQ_S_DONE}: Process Access Request result: PASSED
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_AUTH_CIPH}: Sending DTAP: MM GSM48_MT_MM_CM_SERV_ACC
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_AUTH_CIPH}: RAN encode: DTAP on GERAN-A
+- DTAP --GERAN-A--> MS: GSM48_MT_MM_CM_SERV_ACC: 0521
+DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){0}: Received Event MSC_I_EV_FROM_A_FORWARD_ACCESS_SIGNALLING_REQUEST
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_AUTH_CIPH}: Received Event MSC_A_EV_AUTHENTICATED
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_AUTH_CIPH}: state_chg to MSC_A_ST_AUTHENTICATED
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 - proc_arq_vlr_fn_init: now used by 2 (attached,active-conn)
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_AUTHENTICATED}: - rx_from_ms: now used by 1 (cm_service_cc)
+  cm_service_result_sent == 1
+msc_a_is_accepted() == true
+- MS sends CC SETUP with Bearer Capability =  AMR AMR AMR GSM-EFR GSM GSM-HR-08
+  MSC <--GERAN-A-- MS: GSM48_MT_CC_SETUP
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_AUTHENTICATED}: + rx_from_ms: now used by 2 (cm_service_cc,rx_from_ms)
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_AUTHENTICATED}: RAN decode: DTAP
+DRLL msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_AUTHENTICATED}: Dispatching 04.08 message: CC GSM48_MT_CC_SETUP
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 + CC: now used by 3 (attached,active-conn,CC)
+DCC trans(CC:NULL IMSI-901700000010650:MSISDN-46071 callref-0x80000005 tid-8) New transaction
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_AUTHENTICATED}: Received Event MSC_A_EV_TRANSACTION_ACCEPTED
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_AUTHENTICATED}: state_chg to MSC_A_ST_COMMUNICATING
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: + cc: now used by 3 (cm_service_cc,rx_from_ms,cc)
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: - cm_service_cc: now used by 2 (rx_from_ms,cc)
+DCC trans(CC:NULL IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000005 tid-8) rx SETUP in state NULL
+DCC trans(CC:NULL IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000005 tid-8) starting guard timer with 180 seconds
+DCC trans(CC:NULL IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000005 tid-8) SETUP to 123
+DCC trans(CC:NULL IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000005 tid-8) codecs: :0{GSM#3} (from: MS={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111} bss={GSM#3} RAN={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111})
+DCC trans(CC:NULL IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000005 tid-8) new state NULL -> INITIATED
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: Starting call assignment
+DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){ESTABLISHING}: Allocated
+DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){ESTABLISHING}: is child of msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ)
+  MGW <--CRCX to RTP_TO_CN-- MSC: callref=0x80000005 codecs=GSM#3
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){UNINITIALIZED}: Allocated
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){UNINITIALIZED}: is child of call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483653:RTP_TO_CN:no-CI){UNINITIALIZED}: setting codecs to GSM#3
+  MGW <--CRCX to RTP_TO_RAN-- MSC: callref=0x80000005 codecs=GSM#3
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){UNINITIALIZED}: Allocated
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){UNINITIALIZED}: is child of call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483653:RTP_TO_RAN:no-CI){UNINITIALIZED}: setting codecs to GSM#3
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: - rx_from_ms: now used by 1 (cc)
+- As soon as the MGW port towards CN is created, MNCC_SETUP_IND is triggered
+  MGW --CRCX OK to RTP_TO_CN--> MSC
+DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){ESTABLISHING}: Received Event CALL_LEG_EV_RTP_STREAM_ADDR_AVAILABLE
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: Received Event MSC_EV_CALL_LEG_RTP_LOCAL_ADDR_AVAILABLE
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: MGW endpoint's RTP address available for the CI RTP_TO_CN: 10.23.23.1:23 (osmux=no:-2)
+DMNCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000005 tid-8) tx MNCC_SETUP_IND (RTP=10.23.23.1:23{GSM#3})
+  MSC --> MNCC: callref 0x80000005: MNCC_SETUP_IND
+v=0

+o=OsmoMSC 0 0 IN IP4 10.23.23.1

+s=GSM Call

+c=IN IP4 10.23.23.1

+t=0 0

+m=audio 23 RTP/AVP 3

+a=rtpmap:3 GSM/8000

+a=ptime:20

+
+- VALIDATE_SDP OK: cc_to_mncc_tx_last_sdp == t->mo_tx_sdp_mncc_setup_ind == GSM
+- MNCC replies with MNCC_RTP_CREATE, causing MGW endpoint CRCX to RAN
+  MSC <-- MNCC: callref 0x80000005: MNCC_RTP_CREATE
+
+DMNCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000005 tid-8) rx MNCC_RTP_CREATE
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: Assignment for this trans already started earlier
+- MGW acknowledges the CRCX, triggering Assignment with FR1
+  MGW --CRCX OK to RTP_TO_RAN--> MSC
+DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){ESTABLISHING}: Received Event CALL_LEG_EV_RTP_STREAM_ADDR_AVAILABLE
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: Received Event MSC_EV_CALL_LEG_RTP_LOCAL_ADDR_AVAILABLE
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: MGW endpoint's RTP address available for the CI RTP_TO_RAN: 10.23.23.1:23 (osmux=no:-2)
+DCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000005 tid-8) Sending Assignment Command with codecs: 10.23.23.1:23{GSM#3} (from: MS={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111} bss={GSM#3} RAN={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111})
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: RAN encode: ASSIGNMENT_COMMAND on GERAN-A
+DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){0}: Received Event MSC_I_EV_FROM_A_FORWARD_ACCESS_SIGNALLING_REQUEST
+- VALIDATE_PERM_SPEECH OK: &bssap_assignment_command_last_channel_type == t->mo_tx_assignment_perm_speech == FR1
+- Assignment succeeds, triggering MNCC_RTP_CREATE ack to MNCC
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: RAN decode: ASSIGNMENT_COMPLETE
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483653:RTP_TO_RAN:no-CI){UNINITIALIZED}: no change: codecs already set to GSM#3
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483653:RTP_TO_RAN:no-CI){UNINITIALIZED}: setting remote addr to 1.2.3.4:1234
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483653:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Not committing: no MGW endpoint CI set up
+DCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000005 tid-8) Assignment Complete: RAN: GSM#3, CN: GSM#3
+DCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000005 tid-8) codecs: 10.23.23.1:23{GSM#3} (from: assigned=GSM#3 MS={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111} bss={GSM#3} RAN={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111})
+DMNCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000005 tid-8) tx MNCC_RTP_CREATE (RTP=10.23.23.1:23{GSM#3})
+  MSC --> MNCC: callref 0x80000005: MNCC_RTP_CREATE
+v=0

+o=OsmoMSC 0 0 IN IP4 10.23.23.1

+s=GSM Call

+c=IN IP4 10.23.23.1

+t=0 0

+m=audio 23 RTP/AVP 3

+a=rtpmap:3 GSM/8000

+a=ptime:20

+
+- VALIDATE_SDP OK: cc_to_mncc_tx_last_sdp == t->mo_tx_sdp_mncc_rtp_create == GSM
+- MNCC says that's fine
+  MSC <-- MNCC: callref 0x80000005: MNCC_CALL_PROC_REQ
+
+DMNCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000005 tid-8) rx MNCC_CALL_PROC_REQ
+DCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000005 tid-8) stopping pending guard timer
+DCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000005 tid-8) starting guard timer with 180 seconds
+DCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000005 tid-8) new state INITIATED -> MO_CALL_PROC
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: Sending DTAP: CC GSM48_MT_CC_CALL_PROC
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: RAN encode: DTAP on GERAN-A
+- DTAP --GERAN-A--> MS: GSM48_MT_CC_CALL_PROC: 8302
+- DTAP matches expected message
+DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){0}: Received Event MSC_I_EV_FROM_A_FORWARD_ACCESS_SIGNALLING_REQUEST
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: Assignment for this trans already started earlier
+- Total time passed: 251.000205 s
+- The other call leg got established (not shown here), MNCC tells us so, with codecs { GSM }
+  MSC <-- MNCC: callref 0x80000005: MNCC_ALERT_REQ
+v=0

+o=OsmoMSC 0 0 IN IP4 1.2.3.4

+s=GSM Call

+c=IN IP4 1.2.3.4

+t=0 0

+m=audio 56 RTP/AVP 3

+a=rtpmap:3 GSM/8000

+a=ptime:20

+
+DMNCC trans(CC:MO_CALL_PROC IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000005 tid-8) rx MNCC_ALERT_REQ (RTP=1.2.3.4:56{GSM#3})
+DCC trans(CC:MO_CALL_PROC IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000005 tid-8) stopping pending guard timer
+DCC trans(CC:MO_CALL_PROC IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000005 tid-8) starting guard timer with 180 seconds
+DCC trans(CC:MO_CALL_PROC IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000005 tid-8) new state MO_CALL_PROC -> CALL_DELIVERED
+DCC trans(CC:CALL_DELIVERED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000005 tid-8) MNCC_ALERT_REQ codecs: 10.23.23.1:23{GSM#3} (from: assigned=GSM#3 remote=1.2.3.4:56{GSM#3} MS={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111} bss={GSM#3} RAN={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111})
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483653:RTP_TO_CN:no-CI){UNINITIALIZED}: no change: codecs already set to GSM#3
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483653:RTP_TO_CN:no-CI){UNINITIALIZED}: setting remote addr to 1.2.3.4:56
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483653:RTP_TO_CN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-56){UNINITIALIZED}: Not committing: no MGW endpoint CI set up
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: Sending DTAP: CC GSM48_MT_CC_ALERTING
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: RAN encode: DTAP on GERAN-A
+- DTAP --GERAN-A--> MS: GSM48_MT_CC_ALERTING: 8301
+- DTAP matches expected message
+DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){0}: Received Event MSC_I_EV_FROM_A_FORWARD_ACCESS_SIGNALLING_REQUEST
+  MSC <-- MNCC: callref 0x80000005: MNCC_SETUP_RSP
+v=0

+o=OsmoMSC 0 0 IN IP4 1.2.3.4

+s=GSM Call

+c=IN IP4 1.2.3.4

+t=0 0

+m=audio 56 RTP/AVP 3

+a=rtpmap:3 GSM/8000

+a=ptime:20

+
+DMNCC trans(CC:CALL_DELIVERED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000005 tid-8) rx MNCC_SETUP_RSP (RTP=1.2.3.4:56{GSM#3})
+DCC trans(CC:CALL_DELIVERED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000005 tid-8) stopping pending guard timer
+DCC trans(CC:CALL_DELIVERED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000005 tid-8) starting guard timer with 180 seconds
+DCC trans(CC:CALL_DELIVERED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000005 tid-8) starting timer T313 with 30 seconds
+DCC trans(CC:CALL_DELIVERED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000005 tid-8) new state CALL_DELIVERED -> CONNECT_IND
+DCC trans(CC:CONNECT_IND IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000005 tid-8) MNCC_SETUP_RSP codecs: 10.23.23.1:23{GSM#3} (from: assigned=GSM#3 remote=1.2.3.4:56{GSM#3} MS={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111} bss={GSM#3} RAN={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111})
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483653:RTP_TO_CN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-56){UNINITIALIZED}: no change: codecs already set to GSM#3
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483653:RTP_TO_CN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-56){UNINITIALIZED}: remote addr already 1.2.3.4:56, no change
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483653:RTP_TO_CN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-56){UNINITIALIZED}: Not committing: no MGW endpoint CI set up
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: Sending DTAP: CC GSM48_MT_CC_CONNECT
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: RAN encode: DTAP on GERAN-A
+- DTAP --GERAN-A--> MS: GSM48_MT_CC_CONNECT: 8307
+- DTAP matches expected message
+DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){0}: Received Event MSC_I_EV_FROM_A_FORWARD_ACCESS_SIGNALLING_REQUEST
+- Total time passed: 252.000228 s
+  MSC <--GERAN-A-- MS: GSM48_MT_CC_CONNECT_ACK
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: + rx_from_ms: now used by 2 (cc,rx_from_ms)
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: RAN decode: DTAP
+DRLL msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: Dispatching 04.08 message: CC GSM48_MT_CC_CONNECT_ACK
+DCC trans(CC:CONNECT_IND IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000005 tid-8) rx CONNECT_ACK in state CONNECT_IND
+DCC trans(CC:CONNECT_IND IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000005 tid-8) stopping pending timer T313
+DCC trans(CC:CONNECT_IND IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000005 tid-8) new state CONNECT_IND -> ACTIVE
+DCC trans(CC:ACTIVE IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000005 tid-8) stopping pending guard timer
+DMNCC trans(CC:ACTIVE IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000005 tid-8) tx MNCC_SETUP_COMPL_IND
+  MSC --> MNCC: callref 0x80000005: MNCC_SETUP_COMPL_IND
+
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: - rx_from_ms: now used by 1 (cc)
+- VALIDATE_SDP OK: cc_to_mncc_tx_last_sdp == t->mo_tx_sdp_mncc_setup_compl_ind ==
+
+
+- RTP stream goes ahead, not shown here.
+- Total time passed: 375.000273 s
+
+
+- Call ends
+  MSC <--GERAN-A-- MS: GSM48_MT_CC_DISCONNECT
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: + rx_from_ms: now used by 2 (cc,rx_from_ms)
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: RAN decode: DTAP
+DRLL msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: Dispatching 04.08 message: CC GSM48_MT_CC_DISCONNECT
+DCC trans(CC:ACTIVE IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000005 tid-8) rx DISCONNECT in state ACTIVE
+DCC trans(CC:ACTIVE IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000005 tid-8) new state ACTIVE -> DISCONNECT_IND
+DMNCC trans(CC:DISCONNECT_IND IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000005 tid-8) tx MNCC_DISC_IND
+  MSC --> MNCC: callref 0x80000005: MNCC_DISC_IND
+
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: - rx_from_ms: now used by 1 (cc)
+  MSC <-- MNCC: callref 0x80000005: MNCC_REL_REQ
+v=0

+o=OsmoMSC 0 0 IN IP4 1.2.3.4

+s=GSM Call

+c=IN IP4 1.2.3.4

+t=0 0

+m=audio 56 RTP/AVP 3

+a=rtpmap:3 GSM/8000

+a=ptime:20

+
+DMNCC trans(CC:DISCONNECT_IND IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000005 tid-8) rx MNCC_REL_REQ
+DCC trans(CC:DISCONNECT_IND IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000005 tid-8) starting guard timer with 180 seconds
+DCC trans(CC:DISCONNECT_IND IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000005 tid-8) starting timer T308 with 10 seconds
+DCC trans(CC:DISCONNECT_IND IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000005 tid-8) new state DISCONNECT_IND -> RELEASE_REQ
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: Sending DTAP: CC GSM48_MT_CC_RELEASE
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: RAN encode: DTAP on GERAN-A
+- DTAP --GERAN-A--> MS: GSM48_MT_CC_RELEASE: 832d
+- DTAP matches expected message
+DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){0}: Received Event MSC_I_EV_FROM_A_FORWARD_ACCESS_SIGNALLING_REQUEST
+  MSC <--GERAN-A-- MS: GSM48_MT_CC_RELEASE_COMPL
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: + rx_from_ms: now used by 2 (cc,rx_from_ms)
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: RAN decode: DTAP
+DRLL msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: Dispatching 04.08 message: CC GSM48_MT_CC_RELEASE_COMPL
+DCC trans(CC:RELEASE_REQ IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000005 tid-8) rx RELEASE_COMPL in state RELEASE_REQ
+DCC trans(CC:RELEASE_REQ IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000005 tid-8) stopping pending timer T308
+DMNCC trans(CC:RELEASE_REQ IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000005 tid-8) tx MNCC_REL_CNF
+  MSC --> MNCC: callref 0x80000005: MNCC_REL_CNF
+
+DCC trans(CC:RELEASE_REQ IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x0 tid-8) Freeing transaction
+DCC trans(CC:RELEASE_REQ IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x0 tid-8) new state RELEASE_REQ -> NULL
+DCC trans(CC:NULL IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x0 tid-8) stopping pending guard timer
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 - CC: now used by 2 (attached,active-conn)
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: - cc: now used by 1 (rx_from_ms)
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: - rx_from_ms: now used by 0 (-)
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: Received Event MSC_A_EV_UNUSED
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: state_chg to MSC_A_ST_RELEASING
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_RELEASING}: Releasing: msc_a use is 0 (-)
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 + msc_a_fsm_releasing_onenter: now used by 3 (attached,active-conn,msc_a_fsm_releasing_onenter)
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 + vlr_subscr_cancel_attach_fsm: now used by 4 (attached,active-conn,msc_a_fsm_releasing_onenter,vlr_subscr_cancel_attach_fsm)
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 - vlr_subscr_cancel_attach_fsm: now used by 3 (attached,active-conn,msc_a_fsm_releasing_onenter)
+DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){ESTABLISHING}: state_chg to RELEASING
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483653:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483653:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Removing from parent call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483653:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Deallocated
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483653:RTP_TO_CN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-56){UNINITIALIZED}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483653:RTP_TO_CN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-56){UNINITIALIZED}: Removing from parent call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483653:RTP_TO_CN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-56){UNINITIALIZED}: Deallocated
+DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){RELEASING}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){RELEASING}: Removing from parent msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ)
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_RELEASING}: Received Event MSC_EV_CALL_LEG_TERM
+DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){RELEASING}: Deallocated
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_RELEASING}: + wait-Clear-Complete: now used by 1 (wait-Clear-Complete)
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_RELEASING}: RAN encode: CLEAR_COMMAND on GERAN-A
+DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){0}: Received Event MSC_I_EV_FROM_A_FORWARD_ACCESS_SIGNALLING_REQUEST
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 - msc_a_fsm_releasing_onenter: now used by 2 (attached,active-conn)
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_RELEASING}: RAN decode: CLEAR_COMPLETE
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_RELEASING}: - wait-Clear-Complete: now used by 0 (-)
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_RELEASING}: Received Event MSC_A_EV_UNUSED
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_RELEASING}: state_chg to MSC_A_ST_RELEASED
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_RELEASED}: Released: msc_a use is 0 (-)
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_RELEASED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){PR_ARQ_S_DONE}: Terminating in cascade, depth 2 (cause = OSMO_FSM_TERM_PARENT, caused by: msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ))
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){PR_ARQ_S_DONE}: Removing from parent msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ)
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){PR_ARQ_S_DONE}: Deferring: will deallocate with msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ)
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_RELEASED}: Removing from parent msub_fsm
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_RELEASED}: max total use count was 3
+DMSC msub_fsm{active}: Received Event MSUB_EV_ROLE_TERMINATED
+DMSC msub(IMSI-901700000010650:MSISDN-46071) MSC-A terminated
+DMSC msub(IMSI-901700000010650:MSISDN-46071) 1 MSC-I still active
+DMSC msub_fsm{active}: state_chg to terminating
+DMSC msub_fsm{terminating}: Terminating in cascade, depth 2 (cause = OSMO_FSM_TERM_REGULAR, caused by: msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ))
+DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){0}: Terminating in cascade, depth 3 (cause = OSMO_FSM_TERM_PARENT, caused by: msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ))
+DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){0}: Removing from parent msub_fsm
+DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){0}: Deferring: will deallocate with msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ)
+DMSC msub(IMSI-901700000010650:MSISDN-46071) Free
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 - active-conn: now used by 1 (attached)
+DMSC msub_fsm{terminating}: Deferring: will deallocate with msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ)
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_RELEASED}: Deallocated, including all deferred deallocations
+- msub gone
+  llist_count(&msub_list) == 0
+
+
+- ======================== SUCCESS: MO call: FR1 picked by MO from Codec List (BSS Supported), MT hence also picks FR1
+
+
+- ======================== MT call: FR1 picked by MO from Codec List (BSS Supported), MT hence also picks FR1
+
+
+- MNCC asks us to setup a call, causing Paging
+  MSC <-- MNCC: callref 0x423: MNCC_SETUP_REQ
+v=0

+o=OsmoMSC 0 0 IN IP4 1.2.3.4

+s=GSM Call

+c=IN IP4 1.2.3.4

+t=0 0

+m=audio 56 RTP/AVP 3

+a=rtpmap:3 GSM/8000

+a=ptime:20

+
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 + mncc_tx_to_gsm_cc: now used by 2 (attached,mncc_tx_to_gsm_cc)
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 + CC: now used by 3 (attached,mncc_tx_to_gsm_cc,CC)
+DCC trans(CC:NULL IMSI-901700000010650:MSISDN-46071 callref-0x423 tid-255) New transaction
+DMNCC trans(CC:NULL IMSI-901700000010650:MSISDN-46071 callref-0x423 tid-255) rx MNCC_SETUP_REQ (RTP=1.2.3.4:56{GSM#3})
+DPAG Paging: IMSI-901700000010650:MSISDN-46071 for MNCC: establish call: Starting paging
+  paging request (CALL_CONVERSATIONAL) to IMSI-901700000010650:MSISDN-46071 on GERAN-A
+  strcmp(paging_expecting_imsi, vsub->imsi) == 0
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 + Paging: now used by 4 (attached,mncc_tx_to_gsm_cc,CC,Paging)
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 - mncc_tx_to_gsm_cc: now used by 3 (attached,CC,Paging)
+  paging_sent == 1
+- MS replies with Paging Response, with Codec List (BSS Supported) = FR1 FR2 FR3 HR1 HR3
+- VLR accepts, MSC sends CC Setup with Bearer Capability =  GSM
+  MSC <--GERAN-A-- MS: GSM48_MT_RR_PAG_RESP
+  new conn
+DMSC msub_fsm{active}: Allocated
+DMSC msc_a{MSC_A_ST_VALIDATE_L3}: Allocated
+DMSC msc_a{MSC_A_ST_VALIDATE_L3}: is child of msub_fsm
+DMSC msc_a(unknown:GERAN-A:NONE){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_VALIDATE_L3
+DMSC dummy_msc_i{0}: Allocated
+DMSC dummy_msc_i{0}: is child of msub_fsm
+DREF msc_a(unknown:GERAN-A:NONE){MSC_A_ST_VALIDATE_L3}: + rx_from_ms: now used by 1 (rx_from_ms)
+DBSSAP msc_a(unknown:GERAN-A:NONE){MSC_A_ST_VALIDATE_L3}: RAN decode: COMPL_L3
+DBSSAP msc_a(unknown:GERAN-A:NONE){MSC_A_ST_VALIDATE_L3}: Complete Layer 3: Codec List (BSS Supported): GSM#3,GSM-EFR#110,AMR:octet-align=1#112,GSM-HR-08#111
+DRLL msc_a(unknown:GERAN-A:NONE){MSC_A_ST_VALIDATE_L3}: Dispatching 04.08 message: RR GSM48_MT_RR_PAG_RESP
+DRR msc_a(IMSI-901700000010650:GERAN-A:PAGING_RESP){MSC_A_ST_VALIDATE_L3}: Rx PAGING RESPONSE IMSI-901700000010650
+DREF msc_a(IMSI-901700000010650:GERAN-A:PAGING_RESP){MSC_A_ST_VALIDATE_L3}: + paging-response: now used by 2 (rx_from_ms,paging-response)
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:GERAN-A:PAGING_RESP){PR_ARQ_S_INIT}: Allocated
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:GERAN-A:PAGING_RESP){PR_ARQ_S_INIT}: is child of msc_a(IMSI-901700000010650:GERAN-A:PAGING_RESP)
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:GERAN-A:PAGING_RESP){PR_ARQ_S_INIT}: rev=R99 net=GERAN (no Auth)
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:GERAN-A:PAGING_RESP){PR_ARQ_S_INIT}: Received Event PR_ARQ_E_START
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 + proc_arq_vlr_fn_init: now used by 4 (attached,CC,Paging,proc_arq_vlr_fn_init)
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 + active-conn: now used by 5 (attached,CC,Paging,proc_arq_vlr_fn_init,active-conn)
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_VALIDATE_L3}: Received Event MSC_A_EV_COMPLETE_LAYER_3_OK
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_AUTH_CIPH
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){PR_ARQ_S_INIT}: proc_arq_vlr_fn_post_imsi()
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){PR_ARQ_S_INIT}: _proc_arq_vlr_node2()
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){PR_ARQ_S_INIT}: _proc_arq_vlr_node2_post_ciph()
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_AUTH_CIPH}: RAN encode: COMMON_ID on GERAN-A
+DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){0}: Received Event MSC_I_EV_FROM_A_FORWARD_ACCESS_SIGNALLING_REQUEST
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){PR_ARQ_S_INIT}: _proc_arq_vlr_node2_post_vlr()
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){PR_ARQ_S_INIT}: _proc_arq_vlr_post_pres()
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){PR_ARQ_S_INIT}: _proc_arq_vlr_post_trace()
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){PR_ARQ_S_INIT}: _proc_arq_vlr_post_imei()
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){PR_ARQ_S_INIT}: proc_arq_fsm_done(PASSED)
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){PR_ARQ_S_INIT}: state_chg to PR_ARQ_S_DONE
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){PR_ARQ_S_DONE}: Process Access Request result: PASSED
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_AUTH_CIPH}: Received Event MSC_A_EV_AUTHENTICATED
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_AUTH_CIPH}: state_chg to MSC_A_ST_AUTHENTICATED
+DPAG Paging: IMSI-901700000010650:MSISDN-46071 for MNCC: establish call: Paging Response action (success)
+DPAG Paging: IMSI-901700000010650:MSISDN-46071 for MNCC: establish call: Removing Paging Request
+DCC trans(CC:NULL IMSI-901700000010650:MSISDN-46071 callref-0x423 tid-255) Paging succeeded
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_AUTHENTICATED}: + cc: now used by 3 (rx_from_ms,paging-response,cc)
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_AUTHENTICATED}: Received Event MSC_A_EV_TRANSACTION_ACCEPTED
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_AUTHENTICATED}: state_chg to MSC_A_ST_COMMUNICATING
+DCC trans(CC:NULL IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) starting timer T303 with 30 seconds
+DCC trans(CC:NULL IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) codecs: :0{GSM#3} (from: remote=1.2.3.4:56{GSM#3} bss={GSM#3,GSM-EFR#110,AMR:octet-align=1#112,GSM-HR-08#111} RAN={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111})
+DCC trans(CC:NULL IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) new state NULL -> CALL_PRESENT
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: Sending DTAP: CC GSM48_MT_CC_SETUP
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: RAN encode: DTAP on GERAN-A
+- DTAP --GERAN-A--> MS: GSM48_MT_CC_SETUP: 030504022080
+- DTAP matches expected message
+DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){0}: Received Event MSC_I_EV_FROM_A_FORWARD_ACCESS_SIGNALLING_REQUEST
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 - Paging: now used by 4 (attached,CC,proc_arq_vlr_fn_init,active-conn)
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: - paging-response: now used by 2 (rx_from_ms,cc)
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 - proc_arq_vlr_fn_init: now used by 3 (attached,CC,active-conn)
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: - rx_from_ms: now used by 1 (cc)
+- MS confirms call, we create a RAN-side RTP and forward MNCC_CALL_CONF_IND
+  MSC <--GERAN-A-- MS: GSM48_MT_CC_CALL_CONF
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: + rx_from_ms: now used by 2 (cc,rx_from_ms)
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: RAN decode: DTAP
+DRLL msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: Dispatching 04.08 message: CC GSM48_MT_CC_CALL_CONF
+DCC trans(CC:CALL_PRESENT IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) rx CALL_CONF in state CALL_PRESENT
+DCC trans(CC:CALL_PRESENT IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) stopping pending timer T303
+DCC trans(CC:CALL_PRESENT IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) starting timer T310 with 30 seconds
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: Starting call assignment
+DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){ESTABLISHING}: Allocated
+DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){ESTABLISHING}: is child of msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP)
+  MGW <--CRCX to RTP_TO_CN-- MSC: callref=0x423 codecs=GSM#3
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){UNINITIALIZED}: Allocated
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){UNINITIALIZED}: is child of call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-1059:RTP_TO_CN:no-CI){UNINITIALIZED}: setting codecs to GSM#3
+  MGW <--CRCX to RTP_TO_RAN-- MSC: callref=0x423 codecs=GSM#3
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){UNINITIALIZED}: Allocated
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){UNINITIALIZED}: is child of call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-1059:RTP_TO_RAN:no-CI){UNINITIALIZED}: setting codecs to GSM#3
+DCC trans(CC:CALL_PRESENT IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) new state CALL_PRESENT -> MO_TERM_CALL_CONF
+DMNCC trans(CC:MO_TERM_CALL_CONF IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) tx MNCC_CALL_CONF_IND
+  MSC --> MNCC: callref 0x423: MNCC_CALL_CONF_IND
+
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: - rx_from_ms: now used by 1 (cc)
+- VALIDATE_SDP OK: cc_to_mncc_tx_last_sdp == t->mt_tx_sdp_mncc_call_conf_ind ==
+- MGW acknowledges the CRCX to RAN, triggering Assignment with FR1
+  MGW --CRCX OK to RTP_TO_RAN--> MSC
+DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){ESTABLISHING}: Received Event CALL_LEG_EV_RTP_STREAM_ADDR_AVAILABLE
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: Received Event MSC_EV_CALL_LEG_RTP_LOCAL_ADDR_AVAILABLE
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: MGW endpoint's RTP address available for the CI RTP_TO_RAN: 10.23.23.1:23 (osmux=no:-2)
+DCC trans(CC:MO_TERM_CALL_CONF IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) Sending Assignment Command with codecs: :0{GSM#3} (from: remote=1.2.3.4:56{GSM#3} MS={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111} bss={GSM#3,GSM-EFR#110,AMR:octet-align=1#112,GSM-HR-08#111} RAN={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111})
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: RAN encode: ASSIGNMENT_COMMAND on GERAN-A
+DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){0}: Received Event MSC_I_EV_FROM_A_FORWARD_ACCESS_SIGNALLING_REQUEST
+- VALIDATE_PERM_SPEECH OK: &bssap_assignment_command_last_channel_type == t->mt_tx_assignment_perm_speech == FR1
+- Assignment completes, triggering CRCX to CN
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: RAN decode: ASSIGNMENT_COMPLETE
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-1059:RTP_TO_RAN:no-CI){UNINITIALIZED}: no change: codecs already set to GSM#3
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-1059:RTP_TO_RAN:no-CI){UNINITIALIZED}: setting remote addr to 1.2.3.4:1234
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-1059:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Not committing: no MGW endpoint CI set up
+DCC trans(CC:MO_TERM_CALL_CONF IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) Assignment Complete: RAN: GSM#3, CN: GSM#3
+DCC trans(CC:MO_TERM_CALL_CONF IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) Assignment complete, but still waiting for the CRCX OK on the CN side RTP
+- MNCC sends MNCC_RTP_CREATE, which first waits for the CN side RTP
+  MSC <-- MNCC: callref 0x423: MNCC_RTP_CREATE
+
+DMNCC trans(CC:MO_TERM_CALL_CONF IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) rx MNCC_RTP_CREATE
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: Assignment for this trans already started earlier
+- When the CN side RTP address is known, ack MNCC_RTP_CREATE
+  MGW --CRCX OK to RTP_TO_CN--> MSC
+DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){ESTABLISHING}: Received Event CALL_LEG_EV_RTP_STREAM_ADDR_AVAILABLE
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: Received Event MSC_EV_CALL_LEG_RTP_LOCAL_ADDR_AVAILABLE
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: MGW endpoint's RTP address available for the CI RTP_TO_CN: 10.23.23.1:23 (osmux=no:-2)
+DCC trans(CC:MO_TERM_CALL_CONF IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) codecs: 10.23.23.1:23{GSM#3} (from: assigned=GSM#3 remote=1.2.3.4:56{GSM#3} MS={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111} bss={GSM#3,GSM-EFR#110,AMR:octet-align=1#112,GSM-HR-08#111} RAN={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111})
+DMNCC trans(CC:MO_TERM_CALL_CONF IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) tx MNCC_RTP_CREATE (RTP=10.23.23.1:23{GSM#3})
+  MSC --> MNCC: callref 0x423: MNCC_RTP_CREATE
+v=0

+o=OsmoMSC 0 0 IN IP4 10.23.23.1

+s=GSM Call

+c=IN IP4 10.23.23.1

+t=0 0

+m=audio 23 RTP/AVP 3

+a=rtpmap:3 GSM/8000

+a=ptime:20

+
+- VALIDATE_SDP OK: cc_to_mncc_tx_last_sdp == t->mt_tx_sdp_mncc_rtp_create == GSM
+- Total time passed: 376.000296 s
+  MSC <--GERAN-A-- MS: GSM48_MT_CC_ALERTING
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: + rx_from_ms: now used by 2 (cc,rx_from_ms)
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: RAN decode: DTAP
+DRLL msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: Dispatching 04.08 message: CC GSM48_MT_CC_ALERTING
+DCC trans(CC:MO_TERM_CALL_CONF IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) rx ALERTING in state MO_TERM_CALL_CONF
+DCC trans(CC:MO_TERM_CALL_CONF IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) stopping pending timer T310
+DCC trans(CC:MO_TERM_CALL_CONF IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) starting timer T301 with 180 seconds
+DCC trans(CC:MO_TERM_CALL_CONF IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) new state MO_TERM_CALL_CONF -> CALL_RECEIVED
+DCC trans(CC:CALL_RECEIVED IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) codecs: 10.23.23.1:23{GSM#3} (from: assigned=GSM#3 remote=1.2.3.4:56{GSM#3} MS={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111} bss={GSM#3,GSM-EFR#110,AMR:octet-align=1#112,GSM-HR-08#111} RAN={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111})
+DMNCC trans(CC:CALL_RECEIVED IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) tx MNCC_ALERT_IND (RTP=10.23.23.1:23{GSM#3})
+  MSC --> MNCC: callref 0x423: MNCC_ALERT_IND
+v=0

+o=OsmoMSC 0 0 IN IP4 10.23.23.1

+s=GSM Call

+c=IN IP4 10.23.23.1

+t=0 0

+m=audio 23 RTP/AVP 3

+a=rtpmap:3 GSM/8000

+a=ptime:20

+
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: - rx_from_ms: now used by 1 (cc)
+- VALIDATE_SDP OK: cc_to_mncc_tx_last_sdp == t->mt_tx_sdp_mncc_alert_ind == GSM
+- Total time passed: 377.000319 s
+  MSC <--GERAN-A-- MS: GSM48_MT_CC_CONNECT
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: + rx_from_ms: now used by 2 (cc,rx_from_ms)
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: RAN decode: DTAP
+DRLL msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: Dispatching 04.08 message: CC GSM48_MT_CC_CONNECT
+DCC trans(CC:CALL_RECEIVED IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) rx CONNECT in state CALL_RECEIVED
+DCC trans(CC:CALL_RECEIVED IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) stopping pending timer T301
+DCC trans(CC:CALL_RECEIVED IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) new state CALL_RECEIVED -> CONNECT_REQUEST
+DMNCC trans(CC:CONNECT_REQUEST IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) tx MNCC_SETUP_CNF (RTP=10.23.23.1:23{GSM#3})
+  MSC --> MNCC: callref 0x423: MNCC_SETUP_CNF
+v=0

+o=OsmoMSC 0 0 IN IP4 10.23.23.1

+s=GSM Call

+c=IN IP4 10.23.23.1

+t=0 0

+m=audio 23 RTP/AVP 3

+a=rtpmap:3 GSM/8000

+a=ptime:20

+
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: - rx_from_ms: now used by 1 (cc)
+- VALIDATE_SDP OK: cc_to_mncc_tx_last_sdp == t->mt_tx_sdp_mncc_setup_cnf == GSM
+  MSC <-- MNCC: callref 0x423: MNCC_SETUP_COMPL_REQ
+
+DMNCC trans(CC:CONNECT_REQUEST IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) rx MNCC_SETUP_COMPL_REQ
+DCC trans(CC:CONNECT_REQUEST IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) starting guard timer with 180 seconds
+DCC trans(CC:CONNECT_REQUEST IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) new state CONNECT_REQUEST -> ACTIVE
+DCC trans(CC:ACTIVE IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) stopping pending guard timer
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: Sending DTAP: CC GSM48_MT_CC_CONNECT_ACK
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: RAN encode: DTAP on GERAN-A
+- DTAP --GERAN-A--> MS: GSM48_MT_CC_CONNECT_ACK: 030f
+- DTAP matches expected message
+DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){0}: Received Event MSC_I_EV_FROM_A_FORWARD_ACCESS_SIGNALLING_REQUEST
+
+
+- RTP stream goes ahead, not shown here.
+- Total time passed: 500.000364 s
+
+
+- Call ends
+  MSC <--GERAN-A-- MS: GSM48_MT_CC_DISCONNECT
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: + rx_from_ms: now used by 2 (cc,rx_from_ms)
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: RAN decode: DTAP
+DRLL msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: Dispatching 04.08 message: CC GSM48_MT_CC_DISCONNECT
+DCC trans(CC:ACTIVE IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) rx DISCONNECT in state ACTIVE
+DCC trans(CC:ACTIVE IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) new state ACTIVE -> DISCONNECT_IND
+DMNCC trans(CC:DISCONNECT_IND IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) tx MNCC_DISC_IND
+  MSC --> MNCC: callref 0x423: MNCC_DISC_IND
+
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: - rx_from_ms: now used by 1 (cc)
+  MSC <-- MNCC: callref 0x423: MNCC_REL_REQ
+
+DMNCC trans(CC:DISCONNECT_IND IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) rx MNCC_REL_REQ
+DCC trans(CC:DISCONNECT_IND IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) starting guard timer with 180 seconds
+DCC trans(CC:DISCONNECT_IND IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) starting timer T308 with 10 seconds
+DCC trans(CC:DISCONNECT_IND IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) new state DISCONNECT_IND -> RELEASE_REQ
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: Sending DTAP: CC GSM48_MT_CC_RELEASE
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: RAN encode: DTAP on GERAN-A
+- DTAP --GERAN-A--> MS: GSM48_MT_CC_RELEASE: 032d
+- DTAP matches expected message
+DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){0}: Received Event MSC_I_EV_FROM_A_FORWARD_ACCESS_SIGNALLING_REQUEST
+  MSC <--GERAN-A-- MS: GSM48_MT_CC_RELEASE_COMPL
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: + rx_from_ms: now used by 2 (cc,rx_from_ms)
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: RAN decode: DTAP
+DRLL msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: Dispatching 04.08 message: CC GSM48_MT_CC_RELEASE_COMPL
+DCC trans(CC:RELEASE_REQ IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) rx RELEASE_COMPL in state RELEASE_REQ
+DCC trans(CC:RELEASE_REQ IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) stopping pending timer T308
+DMNCC trans(CC:RELEASE_REQ IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) tx MNCC_REL_CNF
+  MSC --> MNCC: callref 0x423: MNCC_REL_CNF
+
+DCC trans(CC:RELEASE_REQ IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x0 tid-0) Freeing transaction
+DCC trans(CC:RELEASE_REQ IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x0 tid-0) new state RELEASE_REQ -> NULL
+DCC trans(CC:NULL IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x0 tid-0) stopping pending guard timer
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 - CC: now used by 2 (attached,active-conn)
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: - cc: now used by 1 (rx_from_ms)
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: - rx_from_ms: now used by 0 (-)
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: Received Event MSC_A_EV_UNUSED
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: state_chg to MSC_A_ST_RELEASING
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_RELEASING}: Releasing: msc_a use is 0 (-)
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 + msc_a_fsm_releasing_onenter: now used by 3 (attached,active-conn,msc_a_fsm_releasing_onenter)
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 + vlr_subscr_cancel_attach_fsm: now used by 4 (attached,active-conn,msc_a_fsm_releasing_onenter,vlr_subscr_cancel_attach_fsm)
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 - vlr_subscr_cancel_attach_fsm: now used by 3 (attached,active-conn,msc_a_fsm_releasing_onenter)
+DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){ESTABLISHING}: state_chg to RELEASING
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-1059:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-1059:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Removing from parent call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-1059:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Deallocated
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-1059:RTP_TO_CN:no-CI){UNINITIALIZED}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-1059:RTP_TO_CN:no-CI){UNINITIALIZED}: Removing from parent call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-1059:RTP_TO_CN:no-CI){UNINITIALIZED}: Deallocated
+DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){RELEASING}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){RELEASING}: Removing from parent msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP)
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_RELEASING}: Received Event MSC_EV_CALL_LEG_TERM
+DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){RELEASING}: Deallocated
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_RELEASING}: + wait-Clear-Complete: now used by 1 (wait-Clear-Complete)
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_RELEASING}: RAN encode: CLEAR_COMMAND on GERAN-A
+DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){0}: Received Event MSC_I_EV_FROM_A_FORWARD_ACCESS_SIGNALLING_REQUEST
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 - msc_a_fsm_releasing_onenter: now used by 2 (attached,active-conn)
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_RELEASING}: RAN decode: CLEAR_COMPLETE
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_RELEASING}: - wait-Clear-Complete: now used by 0 (-)
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_RELEASING}: Received Event MSC_A_EV_UNUSED
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_RELEASING}: state_chg to MSC_A_ST_RELEASED
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_RELEASED}: Released: msc_a use is 0 (-)
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_RELEASED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){PR_ARQ_S_DONE}: Terminating in cascade, depth 2 (cause = OSMO_FSM_TERM_PARENT, caused by: msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP))
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){PR_ARQ_S_DONE}: Removing from parent msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP)
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){PR_ARQ_S_DONE}: Deferring: will deallocate with msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP)
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_RELEASED}: Removing from parent msub_fsm
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_RELEASED}: max total use count was 3
+DMSC msub_fsm{active}: Received Event MSUB_EV_ROLE_TERMINATED
+DMSC msub(IMSI-901700000010650:MSISDN-46071) MSC-A terminated
+DMSC msub(IMSI-901700000010650:MSISDN-46071) 1 MSC-I still active
+DMSC msub_fsm{active}: state_chg to terminating
+DMSC msub_fsm{terminating}: Terminating in cascade, depth 2 (cause = OSMO_FSM_TERM_REGULAR, caused by: msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP))
+DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){0}: Terminating in cascade, depth 3 (cause = OSMO_FSM_TERM_PARENT, caused by: msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP))
+DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){0}: Removing from parent msub_fsm
+DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){0}: Deferring: will deallocate with msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP)
+DMSC msub(IMSI-901700000010650:MSISDN-46071) Free
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 - active-conn: now used by 1 (attached)
+DMSC msub_fsm{terminating}: Deferring: will deallocate with msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP)
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_RELEASED}: Deallocated, including all deferred deallocations
+- msub gone
+  llist_count(&msub_list) == 0
+
+
+- ======================== SUCCESS: MT call: FR1 picked by MO from Codec List (BSS Supported), MT hence also picks FR1
+
+
+- ======================== MO call: FR1 picked by MO from Bearer Cap, MT hence also picks FR1
+- CM Service Request with Codec List (BSS Supported) = FR1 FR2 FR3 HR1 HR3
+  MSC <--GERAN-A-- MS: GSM48_MT_MM_CM_SERV_REQ
+  new conn
+DMSC msub_fsm{active}: Allocated
+DMSC msc_a{MSC_A_ST_VALIDATE_L3}: Allocated
+DMSC msc_a{MSC_A_ST_VALIDATE_L3}: is child of msub_fsm
+DMSC msc_a(unknown:GERAN-A:NONE){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_VALIDATE_L3
+DMSC dummy_msc_i{0}: Allocated
+DMSC dummy_msc_i{0}: is child of msub_fsm
+DREF msc_a(unknown:GERAN-A:NONE){MSC_A_ST_VALIDATE_L3}: + rx_from_ms: now used by 1 (rx_from_ms)
+DBSSAP msc_a(unknown:GERAN-A:NONE){MSC_A_ST_VALIDATE_L3}: RAN decode: COMPL_L3
+DBSSAP msc_a(unknown:GERAN-A:NONE){MSC_A_ST_VALIDATE_L3}: Complete Layer 3: Codec List (BSS Supported): GSM#3,GSM-EFR#110,AMR:octet-align=1#112,GSM-HR-08#111
+DRLL msc_a(unknown:GERAN-A:NONE){MSC_A_ST_VALIDATE_L3}: Dispatching 04.08 message: MM GSM48_MT_MM_CM_SERV_REQ
+DMM msc_a(IMSI-901700000010650:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_VALIDATE_L3}: Rx CM SERVICE REQUEST cm_service_type=MO-Call
+DREF msc_a(IMSI-901700000010650:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_VALIDATE_L3}: + cm_service_cc: now used by 2 (rx_from_ms,cm_service_cc)
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:GERAN-A:CM_SERVICE_REQ){PR_ARQ_S_INIT}: Allocated
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:GERAN-A:CM_SERVICE_REQ){PR_ARQ_S_INIT}: is child of msc_a(IMSI-901700000010650:GERAN-A:CM_SERVICE_REQ)
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:GERAN-A:CM_SERVICE_REQ){PR_ARQ_S_INIT}: rev=R99 net=GERAN (no Auth)
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:GERAN-A:CM_SERVICE_REQ){PR_ARQ_S_INIT}: Received Event PR_ARQ_E_START
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 + proc_arq_vlr_fn_init: now used by 2 (attached,proc_arq_vlr_fn_init)
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 + active-conn: now used by 3 (attached,proc_arq_vlr_fn_init,active-conn)
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_VALIDATE_L3}: Received Event MSC_A_EV_COMPLETE_LAYER_3_OK
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_AUTH_CIPH
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){PR_ARQ_S_INIT}: proc_arq_vlr_fn_post_imsi()
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){PR_ARQ_S_INIT}: _proc_arq_vlr_node2()
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){PR_ARQ_S_INIT}: _proc_arq_vlr_node2_post_ciph()
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_AUTH_CIPH}: RAN encode: COMMON_ID on GERAN-A
+DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){0}: Received Event MSC_I_EV_FROM_A_FORWARD_ACCESS_SIGNALLING_REQUEST
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){PR_ARQ_S_INIT}: _proc_arq_vlr_node2_post_vlr()
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){PR_ARQ_S_INIT}: _proc_arq_vlr_post_pres()
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){PR_ARQ_S_INIT}: _proc_arq_vlr_post_trace()
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){PR_ARQ_S_INIT}: _proc_arq_vlr_post_imei()
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){PR_ARQ_S_INIT}: proc_arq_fsm_done(PASSED)
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){PR_ARQ_S_INIT}: state_chg to PR_ARQ_S_DONE
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){PR_ARQ_S_DONE}: Process Access Request result: PASSED
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_AUTH_CIPH}: Sending DTAP: MM GSM48_MT_MM_CM_SERV_ACC
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_AUTH_CIPH}: RAN encode: DTAP on GERAN-A
+- DTAP --GERAN-A--> MS: GSM48_MT_MM_CM_SERV_ACC: 0521
+DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){0}: Received Event MSC_I_EV_FROM_A_FORWARD_ACCESS_SIGNALLING_REQUEST
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_AUTH_CIPH}: Received Event MSC_A_EV_AUTHENTICATED
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_AUTH_CIPH}: state_chg to MSC_A_ST_AUTHENTICATED
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 - proc_arq_vlr_fn_init: now used by 2 (attached,active-conn)
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_AUTHENTICATED}: - rx_from_ms: now used by 1 (cm_service_cc)
+  cm_service_result_sent == 1
+msc_a_is_accepted() == true
+- MS sends CC SETUP with Bearer Capability =  GSM
+  MSC <--GERAN-A-- MS: GSM48_MT_CC_SETUP
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_AUTHENTICATED}: + rx_from_ms: now used by 2 (cm_service_cc,rx_from_ms)
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_AUTHENTICATED}: RAN decode: DTAP
+DRLL msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_AUTHENTICATED}: Dispatching 04.08 message: CC GSM48_MT_CC_SETUP
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 + CC: now used by 3 (attached,active-conn,CC)
+DCC trans(CC:NULL IMSI-901700000010650:MSISDN-46071 callref-0x80000006 tid-8) New transaction
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_AUTHENTICATED}: Received Event MSC_A_EV_TRANSACTION_ACCEPTED
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_AUTHENTICATED}: state_chg to MSC_A_ST_COMMUNICATING
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: + cc: now used by 3 (cm_service_cc,rx_from_ms,cc)
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: - cm_service_cc: now used by 2 (rx_from_ms,cc)
+DCC trans(CC:NULL IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000006 tid-8) rx SETUP in state NULL
+DCC trans(CC:NULL IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000006 tid-8) starting guard timer with 180 seconds
+DCC trans(CC:NULL IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000006 tid-8) SETUP to 123
+DCC trans(CC:NULL IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000006 tid-8) codecs: :0{GSM#3} (from: MS={GSM#3} bss={GSM#3,GSM-EFR#110,AMR:octet-align=1#112,GSM-HR-08#111} RAN={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111})
+DCC trans(CC:NULL IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000006 tid-8) new state NULL -> INITIATED
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: Starting call assignment
+DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){ESTABLISHING}: Allocated
+DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){ESTABLISHING}: is child of msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ)
+  MGW <--CRCX to RTP_TO_CN-- MSC: callref=0x80000006 codecs=GSM#3
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){UNINITIALIZED}: Allocated
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){UNINITIALIZED}: is child of call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483654:RTP_TO_CN:no-CI){UNINITIALIZED}: setting codecs to GSM#3
+  MGW <--CRCX to RTP_TO_RAN-- MSC: callref=0x80000006 codecs=GSM#3
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){UNINITIALIZED}: Allocated
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){UNINITIALIZED}: is child of call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483654:RTP_TO_RAN:no-CI){UNINITIALIZED}: setting codecs to GSM#3
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: - rx_from_ms: now used by 1 (cc)
+- As soon as the MGW port towards CN is created, MNCC_SETUP_IND is triggered
+  MGW --CRCX OK to RTP_TO_CN--> MSC
+DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){ESTABLISHING}: Received Event CALL_LEG_EV_RTP_STREAM_ADDR_AVAILABLE
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: Received Event MSC_EV_CALL_LEG_RTP_LOCAL_ADDR_AVAILABLE
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: MGW endpoint's RTP address available for the CI RTP_TO_CN: 10.23.23.1:23 (osmux=no:-2)
+DMNCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000006 tid-8) tx MNCC_SETUP_IND (RTP=10.23.23.1:23{GSM#3})
+  MSC --> MNCC: callref 0x80000006: MNCC_SETUP_IND
+v=0

+o=OsmoMSC 0 0 IN IP4 10.23.23.1

+s=GSM Call

+c=IN IP4 10.23.23.1

+t=0 0

+m=audio 23 RTP/AVP 3

+a=rtpmap:3 GSM/8000

+a=ptime:20

+
+- VALIDATE_SDP OK: cc_to_mncc_tx_last_sdp == t->mo_tx_sdp_mncc_setup_ind == GSM
+- MNCC replies with MNCC_RTP_CREATE, causing MGW endpoint CRCX to RAN
+  MSC <-- MNCC: callref 0x80000006: MNCC_RTP_CREATE
+
+DMNCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000006 tid-8) rx MNCC_RTP_CREATE
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: Assignment for this trans already started earlier
+- MGW acknowledges the CRCX, triggering Assignment with FR1
+  MGW --CRCX OK to RTP_TO_RAN--> MSC
+DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){ESTABLISHING}: Received Event CALL_LEG_EV_RTP_STREAM_ADDR_AVAILABLE
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: Received Event MSC_EV_CALL_LEG_RTP_LOCAL_ADDR_AVAILABLE
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: MGW endpoint's RTP address available for the CI RTP_TO_RAN: 10.23.23.1:23 (osmux=no:-2)
+DCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000006 tid-8) Sending Assignment Command with codecs: 10.23.23.1:23{GSM#3} (from: MS={GSM#3} bss={GSM#3,GSM-EFR#110,AMR:octet-align=1#112,GSM-HR-08#111} RAN={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111})
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: RAN encode: ASSIGNMENT_COMMAND on GERAN-A
+DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){0}: Received Event MSC_I_EV_FROM_A_FORWARD_ACCESS_SIGNALLING_REQUEST
+- VALIDATE_PERM_SPEECH OK: &bssap_assignment_command_last_channel_type == t->mo_tx_assignment_perm_speech == FR1
+- Assignment succeeds, triggering MNCC_RTP_CREATE ack to MNCC
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: RAN decode: ASSIGNMENT_COMPLETE
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483654:RTP_TO_RAN:no-CI){UNINITIALIZED}: no change: codecs already set to GSM#3
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483654:RTP_TO_RAN:no-CI){UNINITIALIZED}: setting remote addr to 1.2.3.4:1234
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483654:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Not committing: no MGW endpoint CI set up
+DCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000006 tid-8) Assignment Complete: RAN: GSM#3, CN: GSM#3
+DCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000006 tid-8) codecs: 10.23.23.1:23{GSM#3} (from: assigned=GSM#3 MS={GSM#3} bss={GSM#3,GSM-EFR#110,AMR:octet-align=1#112,GSM-HR-08#111} RAN={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111})
+DMNCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000006 tid-8) tx MNCC_RTP_CREATE (RTP=10.23.23.1:23{GSM#3})
+  MSC --> MNCC: callref 0x80000006: MNCC_RTP_CREATE
+v=0

+o=OsmoMSC 0 0 IN IP4 10.23.23.1

+s=GSM Call

+c=IN IP4 10.23.23.1

+t=0 0

+m=audio 23 RTP/AVP 3

+a=rtpmap:3 GSM/8000

+a=ptime:20

+
+- VALIDATE_SDP OK: cc_to_mncc_tx_last_sdp == t->mo_tx_sdp_mncc_rtp_create == GSM
+- MNCC says that's fine
+  MSC <-- MNCC: callref 0x80000006: MNCC_CALL_PROC_REQ
+
+DMNCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000006 tid-8) rx MNCC_CALL_PROC_REQ
+DCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000006 tid-8) stopping pending guard timer
+DCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000006 tid-8) starting guard timer with 180 seconds
+DCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000006 tid-8) new state INITIATED -> MO_CALL_PROC
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: Sending DTAP: CC GSM48_MT_CC_CALL_PROC
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: RAN encode: DTAP on GERAN-A
+- DTAP --GERAN-A--> MS: GSM48_MT_CC_CALL_PROC: 8302
+- DTAP matches expected message
+DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){0}: Received Event MSC_I_EV_FROM_A_FORWARD_ACCESS_SIGNALLING_REQUEST
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: Assignment for this trans already started earlier
+- Total time passed: 501.000387 s
+- The other call leg got established (not shown here), MNCC tells us so, with codecs { GSM }
+  MSC <-- MNCC: callref 0x80000006: MNCC_ALERT_REQ
+v=0

+o=OsmoMSC 0 0 IN IP4 1.2.3.4

+s=GSM Call

+c=IN IP4 1.2.3.4

+t=0 0

+m=audio 56 RTP/AVP 3

+a=rtpmap:3 GSM/8000

+a=ptime:20

+
+DMNCC trans(CC:MO_CALL_PROC IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000006 tid-8) rx MNCC_ALERT_REQ (RTP=1.2.3.4:56{GSM#3})
+DCC trans(CC:MO_CALL_PROC IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000006 tid-8) stopping pending guard timer
+DCC trans(CC:MO_CALL_PROC IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000006 tid-8) starting guard timer with 180 seconds
+DCC trans(CC:MO_CALL_PROC IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000006 tid-8) new state MO_CALL_PROC -> CALL_DELIVERED
+DCC trans(CC:CALL_DELIVERED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000006 tid-8) MNCC_ALERT_REQ codecs: 10.23.23.1:23{GSM#3} (from: assigned=GSM#3 remote=1.2.3.4:56{GSM#3} MS={GSM#3} bss={GSM#3,GSM-EFR#110,AMR:octet-align=1#112,GSM-HR-08#111} RAN={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111})
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483654:RTP_TO_CN:no-CI){UNINITIALIZED}: no change: codecs already set to GSM#3
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483654:RTP_TO_CN:no-CI){UNINITIALIZED}: setting remote addr to 1.2.3.4:56
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483654:RTP_TO_CN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-56){UNINITIALIZED}: Not committing: no MGW endpoint CI set up
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: Sending DTAP: CC GSM48_MT_CC_ALERTING
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: RAN encode: DTAP on GERAN-A
+- DTAP --GERAN-A--> MS: GSM48_MT_CC_ALERTING: 8301
+- DTAP matches expected message
+DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){0}: Received Event MSC_I_EV_FROM_A_FORWARD_ACCESS_SIGNALLING_REQUEST
+  MSC <-- MNCC: callref 0x80000006: MNCC_SETUP_RSP
+v=0

+o=OsmoMSC 0 0 IN IP4 1.2.3.4

+s=GSM Call

+c=IN IP4 1.2.3.4

+t=0 0

+m=audio 56 RTP/AVP 3

+a=rtpmap:3 GSM/8000

+a=ptime:20

+
+DMNCC trans(CC:CALL_DELIVERED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000006 tid-8) rx MNCC_SETUP_RSP (RTP=1.2.3.4:56{GSM#3})
+DCC trans(CC:CALL_DELIVERED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000006 tid-8) stopping pending guard timer
+DCC trans(CC:CALL_DELIVERED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000006 tid-8) starting guard timer with 180 seconds
+DCC trans(CC:CALL_DELIVERED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000006 tid-8) starting timer T313 with 30 seconds
+DCC trans(CC:CALL_DELIVERED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000006 tid-8) new state CALL_DELIVERED -> CONNECT_IND
+DCC trans(CC:CONNECT_IND IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000006 tid-8) MNCC_SETUP_RSP codecs: 10.23.23.1:23{GSM#3} (from: assigned=GSM#3 remote=1.2.3.4:56{GSM#3} MS={GSM#3} bss={GSM#3,GSM-EFR#110,AMR:octet-align=1#112,GSM-HR-08#111} RAN={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111})
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483654:RTP_TO_CN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-56){UNINITIALIZED}: no change: codecs already set to GSM#3
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483654:RTP_TO_CN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-56){UNINITIALIZED}: remote addr already 1.2.3.4:56, no change
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483654:RTP_TO_CN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-56){UNINITIALIZED}: Not committing: no MGW endpoint CI set up
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: Sending DTAP: CC GSM48_MT_CC_CONNECT
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: RAN encode: DTAP on GERAN-A
+- DTAP --GERAN-A--> MS: GSM48_MT_CC_CONNECT: 8307
+- DTAP matches expected message
+DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){0}: Received Event MSC_I_EV_FROM_A_FORWARD_ACCESS_SIGNALLING_REQUEST
+- Total time passed: 502.000410 s
+  MSC <--GERAN-A-- MS: GSM48_MT_CC_CONNECT_ACK
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: + rx_from_ms: now used by 2 (cc,rx_from_ms)
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: RAN decode: DTAP
+DRLL msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: Dispatching 04.08 message: CC GSM48_MT_CC_CONNECT_ACK
+DCC trans(CC:CONNECT_IND IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000006 tid-8) rx CONNECT_ACK in state CONNECT_IND
+DCC trans(CC:CONNECT_IND IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000006 tid-8) stopping pending timer T313
+DCC trans(CC:CONNECT_IND IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000006 tid-8) new state CONNECT_IND -> ACTIVE
+DCC trans(CC:ACTIVE IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000006 tid-8) stopping pending guard timer
+DMNCC trans(CC:ACTIVE IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000006 tid-8) tx MNCC_SETUP_COMPL_IND
+  MSC --> MNCC: callref 0x80000006: MNCC_SETUP_COMPL_IND
+
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: - rx_from_ms: now used by 1 (cc)
+- VALIDATE_SDP OK: cc_to_mncc_tx_last_sdp == t->mo_tx_sdp_mncc_setup_compl_ind ==
+
+
+- RTP stream goes ahead, not shown here.
+- Total time passed: 625.000455 s
+
+
+- Call ends
+  MSC <--GERAN-A-- MS: GSM48_MT_CC_DISCONNECT
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: + rx_from_ms: now used by 2 (cc,rx_from_ms)
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: RAN decode: DTAP
+DRLL msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: Dispatching 04.08 message: CC GSM48_MT_CC_DISCONNECT
+DCC trans(CC:ACTIVE IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000006 tid-8) rx DISCONNECT in state ACTIVE
+DCC trans(CC:ACTIVE IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000006 tid-8) new state ACTIVE -> DISCONNECT_IND
+DMNCC trans(CC:DISCONNECT_IND IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000006 tid-8) tx MNCC_DISC_IND
+  MSC --> MNCC: callref 0x80000006: MNCC_DISC_IND
+
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: - rx_from_ms: now used by 1 (cc)
+  MSC <-- MNCC: callref 0x80000006: MNCC_REL_REQ
+v=0

+o=OsmoMSC 0 0 IN IP4 1.2.3.4

+s=GSM Call

+c=IN IP4 1.2.3.4

+t=0 0

+m=audio 56 RTP/AVP 3

+a=rtpmap:3 GSM/8000

+a=ptime:20

+
+DMNCC trans(CC:DISCONNECT_IND IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000006 tid-8) rx MNCC_REL_REQ
+DCC trans(CC:DISCONNECT_IND IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000006 tid-8) starting guard timer with 180 seconds
+DCC trans(CC:DISCONNECT_IND IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000006 tid-8) starting timer T308 with 10 seconds
+DCC trans(CC:DISCONNECT_IND IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000006 tid-8) new state DISCONNECT_IND -> RELEASE_REQ
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: Sending DTAP: CC GSM48_MT_CC_RELEASE
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: RAN encode: DTAP on GERAN-A
+- DTAP --GERAN-A--> MS: GSM48_MT_CC_RELEASE: 832d
+- DTAP matches expected message
+DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){0}: Received Event MSC_I_EV_FROM_A_FORWARD_ACCESS_SIGNALLING_REQUEST
+  MSC <--GERAN-A-- MS: GSM48_MT_CC_RELEASE_COMPL
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: + rx_from_ms: now used by 2 (cc,rx_from_ms)
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: RAN decode: DTAP
+DRLL msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: Dispatching 04.08 message: CC GSM48_MT_CC_RELEASE_COMPL
+DCC trans(CC:RELEASE_REQ IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000006 tid-8) rx RELEASE_COMPL in state RELEASE_REQ
+DCC trans(CC:RELEASE_REQ IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000006 tid-8) stopping pending timer T308
+DMNCC trans(CC:RELEASE_REQ IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000006 tid-8) tx MNCC_REL_CNF
+  MSC --> MNCC: callref 0x80000006: MNCC_REL_CNF
+
+DCC trans(CC:RELEASE_REQ IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x0 tid-8) Freeing transaction
+DCC trans(CC:RELEASE_REQ IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x0 tid-8) new state RELEASE_REQ -> NULL
+DCC trans(CC:NULL IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x0 tid-8) stopping pending guard timer
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 - CC: now used by 2 (attached,active-conn)
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: - cc: now used by 1 (rx_from_ms)
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: - rx_from_ms: now used by 0 (-)
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: Received Event MSC_A_EV_UNUSED
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: state_chg to MSC_A_ST_RELEASING
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_RELEASING}: Releasing: msc_a use is 0 (-)
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 + msc_a_fsm_releasing_onenter: now used by 3 (attached,active-conn,msc_a_fsm_releasing_onenter)
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 + vlr_subscr_cancel_attach_fsm: now used by 4 (attached,active-conn,msc_a_fsm_releasing_onenter,vlr_subscr_cancel_attach_fsm)
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 - vlr_subscr_cancel_attach_fsm: now used by 3 (attached,active-conn,msc_a_fsm_releasing_onenter)
+DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){ESTABLISHING}: state_chg to RELEASING
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483654:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483654:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Removing from parent call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483654:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Deallocated
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483654:RTP_TO_CN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-56){UNINITIALIZED}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483654:RTP_TO_CN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-56){UNINITIALIZED}: Removing from parent call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483654:RTP_TO_CN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-56){UNINITIALIZED}: Deallocated
+DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){RELEASING}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){RELEASING}: Removing from parent msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ)
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_RELEASING}: Received Event MSC_EV_CALL_LEG_TERM
+DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){RELEASING}: Deallocated
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_RELEASING}: + wait-Clear-Complete: now used by 1 (wait-Clear-Complete)
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_RELEASING}: RAN encode: CLEAR_COMMAND on GERAN-A
+DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){0}: Received Event MSC_I_EV_FROM_A_FORWARD_ACCESS_SIGNALLING_REQUEST
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 - msc_a_fsm_releasing_onenter: now used by 2 (attached,active-conn)
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_RELEASING}: RAN decode: CLEAR_COMPLETE
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_RELEASING}: - wait-Clear-Complete: now used by 0 (-)
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_RELEASING}: Received Event MSC_A_EV_UNUSED
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_RELEASING}: state_chg to MSC_A_ST_RELEASED
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_RELEASED}: Released: msc_a use is 0 (-)
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_RELEASED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){PR_ARQ_S_DONE}: Terminating in cascade, depth 2 (cause = OSMO_FSM_TERM_PARENT, caused by: msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ))
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){PR_ARQ_S_DONE}: Removing from parent msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ)
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){PR_ARQ_S_DONE}: Deferring: will deallocate with msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ)
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_RELEASED}: Removing from parent msub_fsm
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_RELEASED}: max total use count was 3
+DMSC msub_fsm{active}: Received Event MSUB_EV_ROLE_TERMINATED
+DMSC msub(IMSI-901700000010650:MSISDN-46071) MSC-A terminated
+DMSC msub(IMSI-901700000010650:MSISDN-46071) 1 MSC-I still active
+DMSC msub_fsm{active}: state_chg to terminating
+DMSC msub_fsm{terminating}: Terminating in cascade, depth 2 (cause = OSMO_FSM_TERM_REGULAR, caused by: msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ))
+DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){0}: Terminating in cascade, depth 3 (cause = OSMO_FSM_TERM_PARENT, caused by: msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ))
+DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){0}: Removing from parent msub_fsm
+DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){0}: Deferring: will deallocate with msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ)
+DMSC msub(IMSI-901700000010650:MSISDN-46071) Free
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 - active-conn: now used by 1 (attached)
+DMSC msub_fsm{terminating}: Deferring: will deallocate with msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ)
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_RELEASED}: Deallocated, including all deferred deallocations
+- msub gone
+  llist_count(&msub_list) == 0
+
+
+- ======================== SUCCESS: MO call: FR1 picked by MO from Bearer Cap, MT hence also picks FR1
+
+
+- ======================== MT call: FR1 picked by MO from Bearer Cap, MT hence also picks FR1
+
+
+- MNCC asks us to setup a call, causing Paging
+  MSC <-- MNCC: callref 0x423: MNCC_SETUP_REQ
+v=0

+o=OsmoMSC 0 0 IN IP4 1.2.3.4

+s=GSM Call

+c=IN IP4 1.2.3.4

+t=0 0

+m=audio 56 RTP/AVP 3

+a=rtpmap:3 GSM/8000

+a=ptime:20

+
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 + mncc_tx_to_gsm_cc: now used by 2 (attached,mncc_tx_to_gsm_cc)
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 + CC: now used by 3 (attached,mncc_tx_to_gsm_cc,CC)
+DCC trans(CC:NULL IMSI-901700000010650:MSISDN-46071 callref-0x423 tid-255) New transaction
+DMNCC trans(CC:NULL IMSI-901700000010650:MSISDN-46071 callref-0x423 tid-255) rx MNCC_SETUP_REQ (RTP=1.2.3.4:56{GSM#3})
+DPAG Paging: IMSI-901700000010650:MSISDN-46071 for MNCC: establish call: Starting paging
+  paging request (CALL_CONVERSATIONAL) to IMSI-901700000010650:MSISDN-46071 on GERAN-A
+  strcmp(paging_expecting_imsi, vsub->imsi) == 0
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 + Paging: now used by 4 (attached,mncc_tx_to_gsm_cc,CC,Paging)
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 - mncc_tx_to_gsm_cc: now used by 3 (attached,CC,Paging)
+  paging_sent == 1
+- MS replies with Paging Response, with Codec List (BSS Supported) = FR1 FR2 FR3 HR1 HR3
+- VLR accepts, MSC sends CC Setup with Bearer Capability =  GSM
+  MSC <--GERAN-A-- MS: GSM48_MT_RR_PAG_RESP
+  new conn
+DMSC msub_fsm{active}: Allocated
+DMSC msc_a{MSC_A_ST_VALIDATE_L3}: Allocated
+DMSC msc_a{MSC_A_ST_VALIDATE_L3}: is child of msub_fsm
+DMSC msc_a(unknown:GERAN-A:NONE){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_VALIDATE_L3
+DMSC dummy_msc_i{0}: Allocated
+DMSC dummy_msc_i{0}: is child of msub_fsm
+DREF msc_a(unknown:GERAN-A:NONE){MSC_A_ST_VALIDATE_L3}: + rx_from_ms: now used by 1 (rx_from_ms)
+DBSSAP msc_a(unknown:GERAN-A:NONE){MSC_A_ST_VALIDATE_L3}: RAN decode: COMPL_L3
+DBSSAP msc_a(unknown:GERAN-A:NONE){MSC_A_ST_VALIDATE_L3}: Complete Layer 3: Codec List (BSS Supported): GSM#3,GSM-EFR#110,AMR:octet-align=1#112,GSM-HR-08#111
+DRLL msc_a(unknown:GERAN-A:NONE){MSC_A_ST_VALIDATE_L3}: Dispatching 04.08 message: RR GSM48_MT_RR_PAG_RESP
+DRR msc_a(IMSI-901700000010650:GERAN-A:PAGING_RESP){MSC_A_ST_VALIDATE_L3}: Rx PAGING RESPONSE IMSI-901700000010650
+DREF msc_a(IMSI-901700000010650:GERAN-A:PAGING_RESP){MSC_A_ST_VALIDATE_L3}: + paging-response: now used by 2 (rx_from_ms,paging-response)
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:GERAN-A:PAGING_RESP){PR_ARQ_S_INIT}: Allocated
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:GERAN-A:PAGING_RESP){PR_ARQ_S_INIT}: is child of msc_a(IMSI-901700000010650:GERAN-A:PAGING_RESP)
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:GERAN-A:PAGING_RESP){PR_ARQ_S_INIT}: rev=R99 net=GERAN (no Auth)
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:GERAN-A:PAGING_RESP){PR_ARQ_S_INIT}: Received Event PR_ARQ_E_START
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 + proc_arq_vlr_fn_init: now used by 4 (attached,CC,Paging,proc_arq_vlr_fn_init)
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 + active-conn: now used by 5 (attached,CC,Paging,proc_arq_vlr_fn_init,active-conn)
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_VALIDATE_L3}: Received Event MSC_A_EV_COMPLETE_LAYER_3_OK
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_AUTH_CIPH
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){PR_ARQ_S_INIT}: proc_arq_vlr_fn_post_imsi()
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){PR_ARQ_S_INIT}: _proc_arq_vlr_node2()
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){PR_ARQ_S_INIT}: _proc_arq_vlr_node2_post_ciph()
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_AUTH_CIPH}: RAN encode: COMMON_ID on GERAN-A
+DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){0}: Received Event MSC_I_EV_FROM_A_FORWARD_ACCESS_SIGNALLING_REQUEST
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){PR_ARQ_S_INIT}: _proc_arq_vlr_node2_post_vlr()
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){PR_ARQ_S_INIT}: _proc_arq_vlr_post_pres()
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){PR_ARQ_S_INIT}: _proc_arq_vlr_post_trace()
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){PR_ARQ_S_INIT}: _proc_arq_vlr_post_imei()
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){PR_ARQ_S_INIT}: proc_arq_fsm_done(PASSED)
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){PR_ARQ_S_INIT}: state_chg to PR_ARQ_S_DONE
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){PR_ARQ_S_DONE}: Process Access Request result: PASSED
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_AUTH_CIPH}: Received Event MSC_A_EV_AUTHENTICATED
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_AUTH_CIPH}: state_chg to MSC_A_ST_AUTHENTICATED
+DPAG Paging: IMSI-901700000010650:MSISDN-46071 for MNCC: establish call: Paging Response action (success)
+DPAG Paging: IMSI-901700000010650:MSISDN-46071 for MNCC: establish call: Removing Paging Request
+DCC trans(CC:NULL IMSI-901700000010650:MSISDN-46071 callref-0x423 tid-255) Paging succeeded
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_AUTHENTICATED}: + cc: now used by 3 (rx_from_ms,paging-response,cc)
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_AUTHENTICATED}: Received Event MSC_A_EV_TRANSACTION_ACCEPTED
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_AUTHENTICATED}: state_chg to MSC_A_ST_COMMUNICATING
+DCC trans(CC:NULL IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) starting timer T303 with 30 seconds
+DCC trans(CC:NULL IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) codecs: :0{GSM#3} (from: remote=1.2.3.4:56{GSM#3} bss={GSM#3,GSM-EFR#110,AMR:octet-align=1#112,GSM-HR-08#111} RAN={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111})
+DCC trans(CC:NULL IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) new state NULL -> CALL_PRESENT
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: Sending DTAP: CC GSM48_MT_CC_SETUP
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: RAN encode: DTAP on GERAN-A
+- DTAP --GERAN-A--> MS: GSM48_MT_CC_SETUP: 030504022080
+- DTAP matches expected message
+DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){0}: Received Event MSC_I_EV_FROM_A_FORWARD_ACCESS_SIGNALLING_REQUEST
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 - Paging: now used by 4 (attached,CC,proc_arq_vlr_fn_init,active-conn)
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: - paging-response: now used by 2 (rx_from_ms,cc)
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 - proc_arq_vlr_fn_init: now used by 3 (attached,CC,active-conn)
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: - rx_from_ms: now used by 1 (cc)
+- MS confirms call, we create a RAN-side RTP and forward MNCC_CALL_CONF_IND
+  MSC <--GERAN-A-- MS: GSM48_MT_CC_CALL_CONF
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: + rx_from_ms: now used by 2 (cc,rx_from_ms)
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: RAN decode: DTAP
+DRLL msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: Dispatching 04.08 message: CC GSM48_MT_CC_CALL_CONF
+DCC trans(CC:CALL_PRESENT IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) rx CALL_CONF in state CALL_PRESENT
+DCC trans(CC:CALL_PRESENT IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) stopping pending timer T303
+DCC trans(CC:CALL_PRESENT IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) starting timer T310 with 30 seconds
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: Starting call assignment
+DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){ESTABLISHING}: Allocated
+DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){ESTABLISHING}: is child of msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP)
+  MGW <--CRCX to RTP_TO_CN-- MSC: callref=0x423 codecs=GSM#3
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){UNINITIALIZED}: Allocated
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){UNINITIALIZED}: is child of call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-1059:RTP_TO_CN:no-CI){UNINITIALIZED}: setting codecs to GSM#3
+  MGW <--CRCX to RTP_TO_RAN-- MSC: callref=0x423 codecs=GSM#3
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){UNINITIALIZED}: Allocated
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){UNINITIALIZED}: is child of call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-1059:RTP_TO_RAN:no-CI){UNINITIALIZED}: setting codecs to GSM#3
+DCC trans(CC:CALL_PRESENT IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) new state CALL_PRESENT -> MO_TERM_CALL_CONF
+DMNCC trans(CC:MO_TERM_CALL_CONF IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) tx MNCC_CALL_CONF_IND
+  MSC --> MNCC: callref 0x423: MNCC_CALL_CONF_IND
+
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: - rx_from_ms: now used by 1 (cc)
+- VALIDATE_SDP OK: cc_to_mncc_tx_last_sdp == t->mt_tx_sdp_mncc_call_conf_ind ==
+- MGW acknowledges the CRCX to RAN, triggering Assignment with FR1
+  MGW --CRCX OK to RTP_TO_RAN--> MSC
+DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){ESTABLISHING}: Received Event CALL_LEG_EV_RTP_STREAM_ADDR_AVAILABLE
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: Received Event MSC_EV_CALL_LEG_RTP_LOCAL_ADDR_AVAILABLE
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: MGW endpoint's RTP address available for the CI RTP_TO_RAN: 10.23.23.1:23 (osmux=no:-2)
+DCC trans(CC:MO_TERM_CALL_CONF IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) Sending Assignment Command with codecs: :0{GSM#3} (from: remote=1.2.3.4:56{GSM#3} MS={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111} bss={GSM#3,GSM-EFR#110,AMR:octet-align=1#112,GSM-HR-08#111} RAN={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111})
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: RAN encode: ASSIGNMENT_COMMAND on GERAN-A
+DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){0}: Received Event MSC_I_EV_FROM_A_FORWARD_ACCESS_SIGNALLING_REQUEST
+- VALIDATE_PERM_SPEECH OK: &bssap_assignment_command_last_channel_type == t->mt_tx_assignment_perm_speech == FR1
+- Assignment completes, triggering CRCX to CN
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: RAN decode: ASSIGNMENT_COMPLETE
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-1059:RTP_TO_RAN:no-CI){UNINITIALIZED}: no change: codecs already set to GSM#3
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-1059:RTP_TO_RAN:no-CI){UNINITIALIZED}: setting remote addr to 1.2.3.4:1234
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-1059:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Not committing: no MGW endpoint CI set up
+DCC trans(CC:MO_TERM_CALL_CONF IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) Assignment Complete: RAN: GSM#3, CN: GSM#3
+DCC trans(CC:MO_TERM_CALL_CONF IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) Assignment complete, but still waiting for the CRCX OK on the CN side RTP
+- MNCC sends MNCC_RTP_CREATE, which first waits for the CN side RTP
+  MSC <-- MNCC: callref 0x423: MNCC_RTP_CREATE
+
+DMNCC trans(CC:MO_TERM_CALL_CONF IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) rx MNCC_RTP_CREATE
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: Assignment for this trans already started earlier
+- When the CN side RTP address is known, ack MNCC_RTP_CREATE
+  MGW --CRCX OK to RTP_TO_CN--> MSC
+DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){ESTABLISHING}: Received Event CALL_LEG_EV_RTP_STREAM_ADDR_AVAILABLE
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: Received Event MSC_EV_CALL_LEG_RTP_LOCAL_ADDR_AVAILABLE
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: MGW endpoint's RTP address available for the CI RTP_TO_CN: 10.23.23.1:23 (osmux=no:-2)
+DCC trans(CC:MO_TERM_CALL_CONF IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) codecs: 10.23.23.1:23{GSM#3} (from: assigned=GSM#3 remote=1.2.3.4:56{GSM#3} MS={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111} bss={GSM#3,GSM-EFR#110,AMR:octet-align=1#112,GSM-HR-08#111} RAN={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111})
+DMNCC trans(CC:MO_TERM_CALL_CONF IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) tx MNCC_RTP_CREATE (RTP=10.23.23.1:23{GSM#3})
+  MSC --> MNCC: callref 0x423: MNCC_RTP_CREATE
+v=0

+o=OsmoMSC 0 0 IN IP4 10.23.23.1

+s=GSM Call

+c=IN IP4 10.23.23.1

+t=0 0

+m=audio 23 RTP/AVP 3

+a=rtpmap:3 GSM/8000

+a=ptime:20

+
+- VALIDATE_SDP OK: cc_to_mncc_tx_last_sdp == t->mt_tx_sdp_mncc_rtp_create == GSM
+- Total time passed: 626.000478 s
+  MSC <--GERAN-A-- MS: GSM48_MT_CC_ALERTING
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: + rx_from_ms: now used by 2 (cc,rx_from_ms)
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: RAN decode: DTAP
+DRLL msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: Dispatching 04.08 message: CC GSM48_MT_CC_ALERTING
+DCC trans(CC:MO_TERM_CALL_CONF IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) rx ALERTING in state MO_TERM_CALL_CONF
+DCC trans(CC:MO_TERM_CALL_CONF IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) stopping pending timer T310
+DCC trans(CC:MO_TERM_CALL_CONF IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) starting timer T301 with 180 seconds
+DCC trans(CC:MO_TERM_CALL_CONF IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) new state MO_TERM_CALL_CONF -> CALL_RECEIVED
+DCC trans(CC:CALL_RECEIVED IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) codecs: 10.23.23.1:23{GSM#3} (from: assigned=GSM#3 remote=1.2.3.4:56{GSM#3} MS={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111} bss={GSM#3,GSM-EFR#110,AMR:octet-align=1#112,GSM-HR-08#111} RAN={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111})
+DMNCC trans(CC:CALL_RECEIVED IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) tx MNCC_ALERT_IND (RTP=10.23.23.1:23{GSM#3})
+  MSC --> MNCC: callref 0x423: MNCC_ALERT_IND
+v=0

+o=OsmoMSC 0 0 IN IP4 10.23.23.1

+s=GSM Call

+c=IN IP4 10.23.23.1

+t=0 0

+m=audio 23 RTP/AVP 3

+a=rtpmap:3 GSM/8000

+a=ptime:20

+
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: - rx_from_ms: now used by 1 (cc)
+- VALIDATE_SDP OK: cc_to_mncc_tx_last_sdp == t->mt_tx_sdp_mncc_alert_ind == GSM
+- Total time passed: 627.000501 s
+  MSC <--GERAN-A-- MS: GSM48_MT_CC_CONNECT
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: + rx_from_ms: now used by 2 (cc,rx_from_ms)
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: RAN decode: DTAP
+DRLL msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: Dispatching 04.08 message: CC GSM48_MT_CC_CONNECT
+DCC trans(CC:CALL_RECEIVED IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) rx CONNECT in state CALL_RECEIVED
+DCC trans(CC:CALL_RECEIVED IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) stopping pending timer T301
+DCC trans(CC:CALL_RECEIVED IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) new state CALL_RECEIVED -> CONNECT_REQUEST
+DMNCC trans(CC:CONNECT_REQUEST IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) tx MNCC_SETUP_CNF (RTP=10.23.23.1:23{GSM#3})
+  MSC --> MNCC: callref 0x423: MNCC_SETUP_CNF
+v=0

+o=OsmoMSC 0 0 IN IP4 10.23.23.1

+s=GSM Call

+c=IN IP4 10.23.23.1

+t=0 0

+m=audio 23 RTP/AVP 3

+a=rtpmap:3 GSM/8000

+a=ptime:20

+
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: - rx_from_ms: now used by 1 (cc)
+- VALIDATE_SDP OK: cc_to_mncc_tx_last_sdp == t->mt_tx_sdp_mncc_setup_cnf == GSM
+  MSC <-- MNCC: callref 0x423: MNCC_SETUP_COMPL_REQ
+
+DMNCC trans(CC:CONNECT_REQUEST IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) rx MNCC_SETUP_COMPL_REQ
+DCC trans(CC:CONNECT_REQUEST IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) starting guard timer with 180 seconds
+DCC trans(CC:CONNECT_REQUEST IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) new state CONNECT_REQUEST -> ACTIVE
+DCC trans(CC:ACTIVE IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) stopping pending guard timer
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: Sending DTAP: CC GSM48_MT_CC_CONNECT_ACK
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: RAN encode: DTAP on GERAN-A
+- DTAP --GERAN-A--> MS: GSM48_MT_CC_CONNECT_ACK: 030f
+- DTAP matches expected message
+DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){0}: Received Event MSC_I_EV_FROM_A_FORWARD_ACCESS_SIGNALLING_REQUEST
+
+
+- RTP stream goes ahead, not shown here.
+- Total time passed: 750.000546 s
+
+
+- Call ends
+  MSC <--GERAN-A-- MS: GSM48_MT_CC_DISCONNECT
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: + rx_from_ms: now used by 2 (cc,rx_from_ms)
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: RAN decode: DTAP
+DRLL msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: Dispatching 04.08 message: CC GSM48_MT_CC_DISCONNECT
+DCC trans(CC:ACTIVE IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) rx DISCONNECT in state ACTIVE
+DCC trans(CC:ACTIVE IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) new state ACTIVE -> DISCONNECT_IND
+DMNCC trans(CC:DISCONNECT_IND IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) tx MNCC_DISC_IND
+  MSC --> MNCC: callref 0x423: MNCC_DISC_IND
+
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: - rx_from_ms: now used by 1 (cc)
+  MSC <-- MNCC: callref 0x423: MNCC_REL_REQ
+
+DMNCC trans(CC:DISCONNECT_IND IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) rx MNCC_REL_REQ
+DCC trans(CC:DISCONNECT_IND IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) starting guard timer with 180 seconds
+DCC trans(CC:DISCONNECT_IND IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) starting timer T308 with 10 seconds
+DCC trans(CC:DISCONNECT_IND IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) new state DISCONNECT_IND -> RELEASE_REQ
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: Sending DTAP: CC GSM48_MT_CC_RELEASE
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: RAN encode: DTAP on GERAN-A
+- DTAP --GERAN-A--> MS: GSM48_MT_CC_RELEASE: 032d
+- DTAP matches expected message
+DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){0}: Received Event MSC_I_EV_FROM_A_FORWARD_ACCESS_SIGNALLING_REQUEST
+  MSC <--GERAN-A-- MS: GSM48_MT_CC_RELEASE_COMPL
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: + rx_from_ms: now used by 2 (cc,rx_from_ms)
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: RAN decode: DTAP
+DRLL msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: Dispatching 04.08 message: CC GSM48_MT_CC_RELEASE_COMPL
+DCC trans(CC:RELEASE_REQ IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) rx RELEASE_COMPL in state RELEASE_REQ
+DCC trans(CC:RELEASE_REQ IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) stopping pending timer T308
+DMNCC trans(CC:RELEASE_REQ IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) tx MNCC_REL_CNF
+  MSC --> MNCC: callref 0x423: MNCC_REL_CNF
+
+DCC trans(CC:RELEASE_REQ IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x0 tid-0) Freeing transaction
+DCC trans(CC:RELEASE_REQ IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x0 tid-0) new state RELEASE_REQ -> NULL
+DCC trans(CC:NULL IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x0 tid-0) stopping pending guard timer
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 - CC: now used by 2 (attached,active-conn)
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: - cc: now used by 1 (rx_from_ms)
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: - rx_from_ms: now used by 0 (-)
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: Received Event MSC_A_EV_UNUSED
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: state_chg to MSC_A_ST_RELEASING
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_RELEASING}: Releasing: msc_a use is 0 (-)
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 + msc_a_fsm_releasing_onenter: now used by 3 (attached,active-conn,msc_a_fsm_releasing_onenter)
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 + vlr_subscr_cancel_attach_fsm: now used by 4 (attached,active-conn,msc_a_fsm_releasing_onenter,vlr_subscr_cancel_attach_fsm)
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 - vlr_subscr_cancel_attach_fsm: now used by 3 (attached,active-conn,msc_a_fsm_releasing_onenter)
+DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){ESTABLISHING}: state_chg to RELEASING
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-1059:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-1059:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Removing from parent call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-1059:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Deallocated
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-1059:RTP_TO_CN:no-CI){UNINITIALIZED}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-1059:RTP_TO_CN:no-CI){UNINITIALIZED}: Removing from parent call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-1059:RTP_TO_CN:no-CI){UNINITIALIZED}: Deallocated
+DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){RELEASING}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){RELEASING}: Removing from parent msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP)
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_RELEASING}: Received Event MSC_EV_CALL_LEG_TERM
+DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){RELEASING}: Deallocated
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_RELEASING}: + wait-Clear-Complete: now used by 1 (wait-Clear-Complete)
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_RELEASING}: RAN encode: CLEAR_COMMAND on GERAN-A
+DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){0}: Received Event MSC_I_EV_FROM_A_FORWARD_ACCESS_SIGNALLING_REQUEST
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 - msc_a_fsm_releasing_onenter: now used by 2 (attached,active-conn)
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_RELEASING}: RAN decode: CLEAR_COMPLETE
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_RELEASING}: - wait-Clear-Complete: now used by 0 (-)
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_RELEASING}: Received Event MSC_A_EV_UNUSED
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_RELEASING}: state_chg to MSC_A_ST_RELEASED
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_RELEASED}: Released: msc_a use is 0 (-)
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_RELEASED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){PR_ARQ_S_DONE}: Terminating in cascade, depth 2 (cause = OSMO_FSM_TERM_PARENT, caused by: msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP))
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){PR_ARQ_S_DONE}: Removing from parent msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP)
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){PR_ARQ_S_DONE}: Deferring: will deallocate with msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP)
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_RELEASED}: Removing from parent msub_fsm
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_RELEASED}: max total use count was 3
+DMSC msub_fsm{active}: Received Event MSUB_EV_ROLE_TERMINATED
+DMSC msub(IMSI-901700000010650:MSISDN-46071) MSC-A terminated
+DMSC msub(IMSI-901700000010650:MSISDN-46071) 1 MSC-I still active
+DMSC msub_fsm{active}: state_chg to terminating
+DMSC msub_fsm{terminating}: Terminating in cascade, depth 2 (cause = OSMO_FSM_TERM_REGULAR, caused by: msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP))
+DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){0}: Terminating in cascade, depth 3 (cause = OSMO_FSM_TERM_PARENT, caused by: msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP))
+DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){0}: Removing from parent msub_fsm
+DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){0}: Deferring: will deallocate with msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP)
+DMSC msub(IMSI-901700000010650:MSISDN-46071) Free
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 - active-conn: now used by 1 (attached)
+DMSC msub_fsm{terminating}: Deferring: will deallocate with msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP)
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_RELEASED}: Deallocated, including all deferred deallocations
+- msub gone
+  llist_count(&msub_list) == 0
+
+
+- ======================== SUCCESS: MT call: FR1 picked by MO from Bearer Cap, MT hence also picks FR1
+
+
+- ======================== MO call: FR1 picked by MT's Codec List (BSS Supported), hence MO also picks FR1 (EXPECTED FAILURE)
+- CM Service Request with Codec List (BSS Supported) = FR1 FR2 FR3 HR1 HR3
+  MSC <--GERAN-A-- MS: GSM48_MT_MM_CM_SERV_REQ
+  new conn
+DMSC msub_fsm{active}: Allocated
+DMSC msc_a{MSC_A_ST_VALIDATE_L3}: Allocated
+DMSC msc_a{MSC_A_ST_VALIDATE_L3}: is child of msub_fsm
+DMSC msc_a(unknown:GERAN-A:NONE){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_VALIDATE_L3
+DMSC dummy_msc_i{0}: Allocated
+DMSC dummy_msc_i{0}: is child of msub_fsm
+DREF msc_a(unknown:GERAN-A:NONE){MSC_A_ST_VALIDATE_L3}: + rx_from_ms: now used by 1 (rx_from_ms)
+DBSSAP msc_a(unknown:GERAN-A:NONE){MSC_A_ST_VALIDATE_L3}: RAN decode: COMPL_L3
+DBSSAP msc_a(unknown:GERAN-A:NONE){MSC_A_ST_VALIDATE_L3}: Complete Layer 3: Codec List (BSS Supported): GSM#3,GSM-EFR#110,AMR:octet-align=1#112,GSM-HR-08#111
+DRLL msc_a(unknown:GERAN-A:NONE){MSC_A_ST_VALIDATE_L3}: Dispatching 04.08 message: MM GSM48_MT_MM_CM_SERV_REQ
+DMM msc_a(IMSI-901700000010650:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_VALIDATE_L3}: Rx CM SERVICE REQUEST cm_service_type=MO-Call
+DREF msc_a(IMSI-901700000010650:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_VALIDATE_L3}: + cm_service_cc: now used by 2 (rx_from_ms,cm_service_cc)
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:GERAN-A:CM_SERVICE_REQ){PR_ARQ_S_INIT}: Allocated
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:GERAN-A:CM_SERVICE_REQ){PR_ARQ_S_INIT}: is child of msc_a(IMSI-901700000010650:GERAN-A:CM_SERVICE_REQ)
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:GERAN-A:CM_SERVICE_REQ){PR_ARQ_S_INIT}: rev=R99 net=GERAN (no Auth)
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:GERAN-A:CM_SERVICE_REQ){PR_ARQ_S_INIT}: Received Event PR_ARQ_E_START
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 + proc_arq_vlr_fn_init: now used by 2 (attached,proc_arq_vlr_fn_init)
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 + active-conn: now used by 3 (attached,proc_arq_vlr_fn_init,active-conn)
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_VALIDATE_L3}: Received Event MSC_A_EV_COMPLETE_LAYER_3_OK
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_AUTH_CIPH
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){PR_ARQ_S_INIT}: proc_arq_vlr_fn_post_imsi()
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){PR_ARQ_S_INIT}: _proc_arq_vlr_node2()
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){PR_ARQ_S_INIT}: _proc_arq_vlr_node2_post_ciph()
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_AUTH_CIPH}: RAN encode: COMMON_ID on GERAN-A
+DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){0}: Received Event MSC_I_EV_FROM_A_FORWARD_ACCESS_SIGNALLING_REQUEST
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){PR_ARQ_S_INIT}: _proc_arq_vlr_node2_post_vlr()
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){PR_ARQ_S_INIT}: _proc_arq_vlr_post_pres()
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){PR_ARQ_S_INIT}: _proc_arq_vlr_post_trace()
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){PR_ARQ_S_INIT}: _proc_arq_vlr_post_imei()
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){PR_ARQ_S_INIT}: proc_arq_fsm_done(PASSED)
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){PR_ARQ_S_INIT}: state_chg to PR_ARQ_S_DONE
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){PR_ARQ_S_DONE}: Process Access Request result: PASSED
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_AUTH_CIPH}: Sending DTAP: MM GSM48_MT_MM_CM_SERV_ACC
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_AUTH_CIPH}: RAN encode: DTAP on GERAN-A
+- DTAP --GERAN-A--> MS: GSM48_MT_MM_CM_SERV_ACC: 0521
+DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){0}: Received Event MSC_I_EV_FROM_A_FORWARD_ACCESS_SIGNALLING_REQUEST
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_AUTH_CIPH}: Received Event MSC_A_EV_AUTHENTICATED
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_AUTH_CIPH}: state_chg to MSC_A_ST_AUTHENTICATED
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 - proc_arq_vlr_fn_init: now used by 2 (attached,active-conn)
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_AUTHENTICATED}: - rx_from_ms: now used by 1 (cm_service_cc)
+  cm_service_result_sent == 1
+msc_a_is_accepted() == true
+- MS sends CC SETUP with Bearer Capability =  AMR AMR AMR GSM-EFR GSM GSM-HR-08
+  MSC <--GERAN-A-- MS: GSM48_MT_CC_SETUP
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_AUTHENTICATED}: + rx_from_ms: now used by 2 (cm_service_cc,rx_from_ms)
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_AUTHENTICATED}: RAN decode: DTAP
+DRLL msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_AUTHENTICATED}: Dispatching 04.08 message: CC GSM48_MT_CC_SETUP
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 + CC: now used by 3 (attached,active-conn,CC)
+DCC trans(CC:NULL IMSI-901700000010650:MSISDN-46071 callref-0x80000007 tid-8) New transaction
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_AUTHENTICATED}: Received Event MSC_A_EV_TRANSACTION_ACCEPTED
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_AUTHENTICATED}: state_chg to MSC_A_ST_COMMUNICATING
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: + cc: now used by 3 (cm_service_cc,rx_from_ms,cc)
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: - cm_service_cc: now used by 2 (rx_from_ms,cc)
+DCC trans(CC:NULL IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000007 tid-8) rx SETUP in state NULL
+DCC trans(CC:NULL IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000007 tid-8) starting guard timer with 180 seconds
+DCC trans(CC:NULL IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000007 tid-8) SETUP to 123
+DCC trans(CC:NULL IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000007 tid-8) codecs: :0{AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111} (from: MS={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111} bss={GSM#3,GSM-EFR#110,AMR:octet-align=1#112,GSM-HR-08#111} RAN={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111})
+DCC trans(CC:NULL IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000007 tid-8) new state NULL -> INITIATED
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: Starting call assignment
+DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){ESTABLISHING}: Allocated
+DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){ESTABLISHING}: is child of msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ)
+  MGW <--CRCX to RTP_TO_CN-- MSC: callref=0x80000007 codecs=AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){UNINITIALIZED}: Allocated
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){UNINITIALIZED}: is child of call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483655:RTP_TO_CN:no-CI){UNINITIALIZED}: setting codecs to AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111
+  MGW <--CRCX to RTP_TO_RAN-- MSC: callref=0x80000007 codecs=AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){UNINITIALIZED}: Allocated
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){UNINITIALIZED}: is child of call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483655:RTP_TO_RAN:no-CI){UNINITIALIZED}: setting codecs to AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: - rx_from_ms: now used by 1 (cc)
+- As soon as the MGW port towards CN is created, MNCC_SETUP_IND is triggered
+  MGW --CRCX OK to RTP_TO_CN--> MSC
+DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){ESTABLISHING}: Received Event CALL_LEG_EV_RTP_STREAM_ADDR_AVAILABLE
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: Received Event MSC_EV_CALL_LEG_RTP_LOCAL_ADDR_AVAILABLE
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: MGW endpoint's RTP address available for the CI RTP_TO_CN: 10.23.23.1:23 (osmux=no:-2)
+DMNCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000007 tid-8) tx MNCC_SETUP_IND (RTP=10.23.23.1:23{AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111})
+  MSC --> MNCC: callref 0x80000007: MNCC_SETUP_IND
+v=0

+o=OsmoMSC 0 0 IN IP4 10.23.23.1

+s=GSM Call

+c=IN IP4 10.23.23.1

+t=0 0

+m=audio 23 RTP/AVP 112 110 3 111

+a=rtpmap:112 AMR/8000

+a=fmtp:112 octet-align=1

+a=rtpmap:110 GSM-EFR/8000

+a=rtpmap:3 GSM/8000

+a=rtpmap:111 GSM-HR-08/8000

+a=ptime:20

+
+- VALIDATE_SDP OK: cc_to_mncc_tx_last_sdp == t->mo_tx_sdp_mncc_setup_ind == AMR GSM-EFR GSM GSM-HR-08
+- MNCC replies with MNCC_RTP_CREATE, causing MGW endpoint CRCX to RAN
+  MSC <-- MNCC: callref 0x80000007: MNCC_RTP_CREATE
+
+DMNCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000007 tid-8) rx MNCC_RTP_CREATE
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: Assignment for this trans already started earlier
+- MGW acknowledges the CRCX, triggering Assignment with FR3 HR3 FR2 FR1 HR1
+  MGW --CRCX OK to RTP_TO_RAN--> MSC
+DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){ESTABLISHING}: Received Event CALL_LEG_EV_RTP_STREAM_ADDR_AVAILABLE
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: Received Event MSC_EV_CALL_LEG_RTP_LOCAL_ADDR_AVAILABLE
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: MGW endpoint's RTP address available for the CI RTP_TO_RAN: 10.23.23.1:23 (osmux=no:-2)
+DCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000007 tid-8) Sending Assignment Command with codecs: 10.23.23.1:23{AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111} (from: MS={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111} bss={GSM#3,GSM-EFR#110,AMR:octet-align=1#112,GSM-HR-08#111} RAN={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111})
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: RAN encode: ASSIGNMENT_COMMAND on GERAN-A
+DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){0}: Received Event MSC_I_EV_FROM_A_FORWARD_ACCESS_SIGNALLING_REQUEST
+- VALIDATE_PERM_SPEECH OK: &bssap_assignment_command_last_channel_type == t->mo_tx_assignment_perm_speech == FR3 HR3 FR2 FR1 HR1
+- Assignment succeeds, triggering MNCC_RTP_CREATE ack to MNCC
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: RAN decode: ASSIGNMENT_COMPLETE
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483655:RTP_TO_RAN:no-CI){UNINITIALIZED}: setting codecs to AMR:octet-align=1#112
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483655:RTP_TO_RAN:no-CI:local-10-23-23-1-23){UNINITIALIZED}: setting remote addr to 1.2.3.4:1234
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483655:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Not committing: no MGW endpoint CI set up
+DCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000007 tid-8) Assignment Complete: RAN: AMR:octet-align=1#112, CN: AMR:octet-align=1#112
+DCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000007 tid-8) codecs: 10.23.23.1:23{AMR:octet-align=1#112} (from: assigned=AMR:octet-align=1#112 MS={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111} bss={GSM#3,GSM-EFR#110,AMR:octet-align=1#112,GSM-HR-08#111} RAN={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111})
+DMNCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000007 tid-8) tx MNCC_RTP_CREATE (RTP=10.23.23.1:23{AMR:octet-align=1#112})
+  MSC --> MNCC: callref 0x80000007: MNCC_RTP_CREATE
+v=0

+o=OsmoMSC 0 0 IN IP4 10.23.23.1

+s=GSM Call

+c=IN IP4 10.23.23.1

+t=0 0

+m=audio 23 RTP/AVP 112

+a=rtpmap:112 AMR/8000

+a=fmtp:112 octet-align=1

+a=ptime:20

+
+- VALIDATE_SDP OK: cc_to_mncc_tx_last_sdp == t->mo_tx_sdp_mncc_rtp_create == AMR
+- MNCC says that's fine
+  MSC <-- MNCC: callref 0x80000007: MNCC_CALL_PROC_REQ
+
+DMNCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000007 tid-8) rx MNCC_CALL_PROC_REQ
+DCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000007 tid-8) stopping pending guard timer
+DCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000007 tid-8) starting guard timer with 180 seconds
+DCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000007 tid-8) new state INITIATED -> MO_CALL_PROC
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: Sending DTAP: CC GSM48_MT_CC_CALL_PROC
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: RAN encode: DTAP on GERAN-A
+- DTAP --GERAN-A--> MS: GSM48_MT_CC_CALL_PROC: 8302
+- DTAP matches expected message
+DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){0}: Received Event MSC_I_EV_FROM_A_FORWARD_ACCESS_SIGNALLING_REQUEST
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: Assignment for this trans already started earlier
+- Total time passed: 751.000569 s
+- The other call leg got established (not shown here), MNCC tells us so, with codecs { }
+  MSC <-- MNCC: callref 0x80000007: MNCC_ALERT_REQ
+
+DMNCC trans(CC:MO_CALL_PROC IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000007 tid-8) rx MNCC_ALERT_REQ
+DCC trans(CC:MO_CALL_PROC IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000007 tid-8) stopping pending guard timer
+DCC trans(CC:MO_CALL_PROC IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000007 tid-8) starting guard timer with 180 seconds
+DCC trans(CC:MO_CALL_PROC IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000007 tid-8) new state MO_CALL_PROC -> CALL_DELIVERED
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: Sending DTAP: CC GSM48_MT_CC_ALERTING
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: RAN encode: DTAP on GERAN-A
+- DTAP --GERAN-A--> MS: GSM48_MT_CC_ALERTING: 8301
+- DTAP matches expected message
+DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){0}: Received Event MSC_I_EV_FROM_A_FORWARD_ACCESS_SIGNALLING_REQUEST
+  MSC <-- MNCC: callref 0x80000007: MNCC_SETUP_RSP
+
+DMNCC trans(CC:CALL_DELIVERED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000007 tid-8) rx MNCC_SETUP_RSP
+DCC trans(CC:CALL_DELIVERED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000007 tid-8) stopping pending guard timer
+DCC trans(CC:CALL_DELIVERED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000007 tid-8) starting guard timer with 180 seconds
+DCC trans(CC:CALL_DELIVERED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000007 tid-8) starting timer T313 with 30 seconds
+DCC trans(CC:CALL_DELIVERED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000007 tid-8) new state CALL_DELIVERED -> CONNECT_IND
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: Sending DTAP: CC GSM48_MT_CC_CONNECT
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: RAN encode: DTAP on GERAN-A
+- DTAP --GERAN-A--> MS: GSM48_MT_CC_CONNECT: 8307
+- DTAP matches expected message
+DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){0}: Received Event MSC_I_EV_FROM_A_FORWARD_ACCESS_SIGNALLING_REQUEST
+- Total time passed: 752.000592 s
+  MSC <--GERAN-A-- MS: GSM48_MT_CC_CONNECT_ACK
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: + rx_from_ms: now used by 2 (cc,rx_from_ms)
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: RAN decode: DTAP
+DRLL msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: Dispatching 04.08 message: CC GSM48_MT_CC_CONNECT_ACK
+DCC trans(CC:CONNECT_IND IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000007 tid-8) rx CONNECT_ACK in state CONNECT_IND
+DCC trans(CC:CONNECT_IND IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000007 tid-8) stopping pending timer T313
+DCC trans(CC:CONNECT_IND IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000007 tid-8) new state CONNECT_IND -> ACTIVE
+DCC trans(CC:ACTIVE IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000007 tid-8) stopping pending guard timer
+DMNCC trans(CC:ACTIVE IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000007 tid-8) tx MNCC_SETUP_COMPL_IND
+  MSC --> MNCC: callref 0x80000007: MNCC_SETUP_COMPL_IND
+
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: - rx_from_ms: now used by 1 (cc)
+- VALIDATE_SDP OK: cc_to_mncc_tx_last_sdp == t->mo_tx_sdp_mncc_setup_compl_ind ==
+
+
+- RTP stream goes ahead, not shown here.
+- Total time passed: 875.000637 s
+
+
+- Call ends
+  MSC <--GERAN-A-- MS: GSM48_MT_CC_DISCONNECT
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: + rx_from_ms: now used by 2 (cc,rx_from_ms)
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: RAN decode: DTAP
+DRLL msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: Dispatching 04.08 message: CC GSM48_MT_CC_DISCONNECT
+DCC trans(CC:ACTIVE IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000007 tid-8) rx DISCONNECT in state ACTIVE
+DCC trans(CC:ACTIVE IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000007 tid-8) new state ACTIVE -> DISCONNECT_IND
+DMNCC trans(CC:DISCONNECT_IND IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000007 tid-8) tx MNCC_DISC_IND
+  MSC --> MNCC: callref 0x80000007: MNCC_DISC_IND
+
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: - rx_from_ms: now used by 1 (cc)
+  MSC <-- MNCC: callref 0x80000007: MNCC_REL_REQ
+
+DMNCC trans(CC:DISCONNECT_IND IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000007 tid-8) rx MNCC_REL_REQ
+DCC trans(CC:DISCONNECT_IND IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000007 tid-8) starting guard timer with 180 seconds
+DCC trans(CC:DISCONNECT_IND IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000007 tid-8) starting timer T308 with 10 seconds
+DCC trans(CC:DISCONNECT_IND IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000007 tid-8) new state DISCONNECT_IND -> RELEASE_REQ
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: Sending DTAP: CC GSM48_MT_CC_RELEASE
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: RAN encode: DTAP on GERAN-A
+- DTAP --GERAN-A--> MS: GSM48_MT_CC_RELEASE: 832d
+- DTAP matches expected message
+DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){0}: Received Event MSC_I_EV_FROM_A_FORWARD_ACCESS_SIGNALLING_REQUEST
+  MSC <--GERAN-A-- MS: GSM48_MT_CC_RELEASE_COMPL
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: + rx_from_ms: now used by 2 (cc,rx_from_ms)
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: RAN decode: DTAP
+DRLL msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: Dispatching 04.08 message: CC GSM48_MT_CC_RELEASE_COMPL
+DCC trans(CC:RELEASE_REQ IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000007 tid-8) rx RELEASE_COMPL in state RELEASE_REQ
+DCC trans(CC:RELEASE_REQ IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000007 tid-8) stopping pending timer T308
+DMNCC trans(CC:RELEASE_REQ IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000007 tid-8) tx MNCC_REL_CNF
+  MSC --> MNCC: callref 0x80000007: MNCC_REL_CNF
+
+DCC trans(CC:RELEASE_REQ IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x0 tid-8) Freeing transaction
+DCC trans(CC:RELEASE_REQ IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x0 tid-8) new state RELEASE_REQ -> NULL
+DCC trans(CC:NULL IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x0 tid-8) stopping pending guard timer
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 - CC: now used by 2 (attached,active-conn)
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: - cc: now used by 1 (rx_from_ms)
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: - rx_from_ms: now used by 0 (-)
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: Received Event MSC_A_EV_UNUSED
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: state_chg to MSC_A_ST_RELEASING
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_RELEASING}: Releasing: msc_a use is 0 (-)
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 + msc_a_fsm_releasing_onenter: now used by 3 (attached,active-conn,msc_a_fsm_releasing_onenter)
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 + vlr_subscr_cancel_attach_fsm: now used by 4 (attached,active-conn,msc_a_fsm_releasing_onenter,vlr_subscr_cancel_attach_fsm)
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 - vlr_subscr_cancel_attach_fsm: now used by 3 (attached,active-conn,msc_a_fsm_releasing_onenter)
+DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){ESTABLISHING}: state_chg to RELEASING
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483655:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483655:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Removing from parent call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483655:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Deallocated
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483655:RTP_TO_CN:no-CI){UNINITIALIZED}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483655:RTP_TO_CN:no-CI){UNINITIALIZED}: Removing from parent call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483655:RTP_TO_CN:no-CI){UNINITIALIZED}: Deallocated
+DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){RELEASING}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){RELEASING}: Removing from parent msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ)
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_RELEASING}: Received Event MSC_EV_CALL_LEG_TERM
+DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){RELEASING}: Deallocated
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_RELEASING}: + wait-Clear-Complete: now used by 1 (wait-Clear-Complete)
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_RELEASING}: RAN encode: CLEAR_COMMAND on GERAN-A
+DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){0}: Received Event MSC_I_EV_FROM_A_FORWARD_ACCESS_SIGNALLING_REQUEST
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 - msc_a_fsm_releasing_onenter: now used by 2 (attached,active-conn)
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_RELEASING}: RAN decode: CLEAR_COMPLETE
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_RELEASING}: - wait-Clear-Complete: now used by 0 (-)
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_RELEASING}: Received Event MSC_A_EV_UNUSED
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_RELEASING}: state_chg to MSC_A_ST_RELEASED
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_RELEASED}: Released: msc_a use is 0 (-)
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_RELEASED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){PR_ARQ_S_DONE}: Terminating in cascade, depth 2 (cause = OSMO_FSM_TERM_PARENT, caused by: msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ))
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){PR_ARQ_S_DONE}: Removing from parent msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ)
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){PR_ARQ_S_DONE}: Deferring: will deallocate with msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ)
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_RELEASED}: Removing from parent msub_fsm
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_RELEASED}: max total use count was 3
+DMSC msub_fsm{active}: Received Event MSUB_EV_ROLE_TERMINATED
+DMSC msub(IMSI-901700000010650:MSISDN-46071) MSC-A terminated
+DMSC msub(IMSI-901700000010650:MSISDN-46071) 1 MSC-I still active
+DMSC msub_fsm{active}: state_chg to terminating
+DMSC msub_fsm{terminating}: Terminating in cascade, depth 2 (cause = OSMO_FSM_TERM_REGULAR, caused by: msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ))
+DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){0}: Terminating in cascade, depth 3 (cause = OSMO_FSM_TERM_PARENT, caused by: msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ))
+DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){0}: Removing from parent msub_fsm
+DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){0}: Deferring: will deallocate with msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ)
+DMSC msub(IMSI-901700000010650:MSISDN-46071) Free
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 - active-conn: now used by 1 (attached)
+DMSC msub_fsm{terminating}: Deferring: will deallocate with msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ)
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_RELEASED}: Deallocated, including all deferred deallocations
+- msub gone
+  llist_count(&msub_list) == 0
+
+
+- ======================== SUCCESS: MO call: FR1 picked by MT's Codec List (BSS Supported), hence MO also picks FR1 (EXPECTED FAILURE)
+
+
+- ======================== MT call: FR1 picked by MT's Codec List (BSS Supported), hence MO also picks FR1 (EXPECTED FAILURE)
+
+
+- MNCC asks us to setup a call, causing Paging
+  MSC <-- MNCC: callref 0x423: MNCC_SETUP_REQ
+v=0

+o=OsmoMSC 0 0 IN IP4 1.2.3.4

+s=GSM Call

+c=IN IP4 1.2.3.4

+t=0 0

+m=audio 56 RTP/AVP 112

+a=rtpmap:112 AMR/8000

+a=fmtp:112 octet-align=1

+a=ptime:20

+
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 + mncc_tx_to_gsm_cc: now used by 2 (attached,mncc_tx_to_gsm_cc)
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 + CC: now used by 3 (attached,mncc_tx_to_gsm_cc,CC)
+DCC trans(CC:NULL IMSI-901700000010650:MSISDN-46071 callref-0x423 tid-255) New transaction
+DMNCC trans(CC:NULL IMSI-901700000010650:MSISDN-46071 callref-0x423 tid-255) rx MNCC_SETUP_REQ (RTP=1.2.3.4:56{AMR:octet-align=1#112})
+DPAG Paging: IMSI-901700000010650:MSISDN-46071 for MNCC: establish call: Starting paging
+  paging request (CALL_CONVERSATIONAL) to IMSI-901700000010650:MSISDN-46071 on GERAN-A
+  strcmp(paging_expecting_imsi, vsub->imsi) == 0
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 + Paging: now used by 4 (attached,mncc_tx_to_gsm_cc,CC,Paging)
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 - mncc_tx_to_gsm_cc: now used by 3 (attached,CC,Paging)
+  paging_sent == 1
+- MS replies with Paging Response, with Codec List (BSS Supported) = FR1
+- VLR accepts, but MSC notices a codec mismatch and aborts
+  MSC <--GERAN-A-- MS: GSM48_MT_RR_PAG_RESP
+  new conn
+DMSC msub_fsm{active}: Allocated
+DMSC msc_a{MSC_A_ST_VALIDATE_L3}: Allocated
+DMSC msc_a{MSC_A_ST_VALIDATE_L3}: is child of msub_fsm
+DMSC msc_a(unknown:GERAN-A:NONE){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_VALIDATE_L3
+DMSC dummy_msc_i{0}: Allocated
+DMSC dummy_msc_i{0}: is child of msub_fsm
+DREF msc_a(unknown:GERAN-A:NONE){MSC_A_ST_VALIDATE_L3}: + rx_from_ms: now used by 1 (rx_from_ms)
+DBSSAP msc_a(unknown:GERAN-A:NONE){MSC_A_ST_VALIDATE_L3}: RAN decode: COMPL_L3
+DBSSAP msc_a(unknown:GERAN-A:NONE){MSC_A_ST_VALIDATE_L3}: Complete Layer 3: Codec List (BSS Supported): GSM#3
+DRLL msc_a(unknown:GERAN-A:NONE){MSC_A_ST_VALIDATE_L3}: Dispatching 04.08 message: RR GSM48_MT_RR_PAG_RESP
+DRR msc_a(IMSI-901700000010650:GERAN-A:PAGING_RESP){MSC_A_ST_VALIDATE_L3}: Rx PAGING RESPONSE IMSI-901700000010650
+DREF msc_a(IMSI-901700000010650:GERAN-A:PAGING_RESP){MSC_A_ST_VALIDATE_L3}: + paging-response: now used by 2 (rx_from_ms,paging-response)
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:GERAN-A:PAGING_RESP){PR_ARQ_S_INIT}: Allocated
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:GERAN-A:PAGING_RESP){PR_ARQ_S_INIT}: is child of msc_a(IMSI-901700000010650:GERAN-A:PAGING_RESP)
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:GERAN-A:PAGING_RESP){PR_ARQ_S_INIT}: rev=R99 net=GERAN (no Auth)
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:GERAN-A:PAGING_RESP){PR_ARQ_S_INIT}: Received Event PR_ARQ_E_START
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 + proc_arq_vlr_fn_init: now used by 4 (attached,CC,Paging,proc_arq_vlr_fn_init)
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 + active-conn: now used by 5 (attached,CC,Paging,proc_arq_vlr_fn_init,active-conn)
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_VALIDATE_L3}: Received Event MSC_A_EV_COMPLETE_LAYER_3_OK
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_AUTH_CIPH
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){PR_ARQ_S_INIT}: proc_arq_vlr_fn_post_imsi()
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){PR_ARQ_S_INIT}: _proc_arq_vlr_node2()
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){PR_ARQ_S_INIT}: _proc_arq_vlr_node2_post_ciph()
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_AUTH_CIPH}: RAN encode: COMMON_ID on GERAN-A
+DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){0}: Received Event MSC_I_EV_FROM_A_FORWARD_ACCESS_SIGNALLING_REQUEST
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){PR_ARQ_S_INIT}: _proc_arq_vlr_node2_post_vlr()
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){PR_ARQ_S_INIT}: _proc_arq_vlr_post_pres()
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){PR_ARQ_S_INIT}: _proc_arq_vlr_post_trace()
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){PR_ARQ_S_INIT}: _proc_arq_vlr_post_imei()
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){PR_ARQ_S_INIT}: proc_arq_fsm_done(PASSED)
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){PR_ARQ_S_INIT}: state_chg to PR_ARQ_S_DONE
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){PR_ARQ_S_DONE}: Process Access Request result: PASSED
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_AUTH_CIPH}: Received Event MSC_A_EV_AUTHENTICATED
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_AUTH_CIPH}: state_chg to MSC_A_ST_AUTHENTICATED
+DPAG Paging: IMSI-901700000010650:MSISDN-46071 for MNCC: establish call: Paging Response action (success)
+DPAG Paging: IMSI-901700000010650:MSISDN-46071 for MNCC: establish call: Removing Paging Request
+DCC trans(CC:NULL IMSI-901700000010650:MSISDN-46071 callref-0x423 tid-255) Paging succeeded
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_AUTHENTICATED}: + cc: now used by 3 (rx_from_ms,paging-response,cc)
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_AUTHENTICATED}: Received Event MSC_A_EV_TRANSACTION_ACCEPTED
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_AUTHENTICATED}: state_chg to MSC_A_ST_COMMUNICATING
+DCC trans(CC:NULL IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) starting timer T303 with 30 seconds
+DCC trans(CC:NULL IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) codecs: :0{(no-codecs)} (from: remote=1.2.3.4:56{AMR:octet-align=1#112} bss={GSM#3} RAN={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111})
+DCC trans(CC:NULL IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) MNCC_SETUP_REQ: no codec match possible: :0{(no-codecs)} (from: remote=1.2.3.4:56{AMR:octet-align=1#112} bss={GSM#3} RAN={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111})
+DMNCC trans(CC:NULL IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) tx MNCC_REL_IND
+  MSC --> MNCC: callref 0x423: MNCC_REL_IND
+
+DCC trans(CC:NULL IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x0 tid-0) Freeing transaction
+DCC trans(CC:NULL IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x0 tid-0) stopping pending timer T303
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 - CC: now used by 4 (attached,Paging,proc_arq_vlr_fn_init,active-conn)
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: - cc: now used by 2 (rx_from_ms,paging-response)
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 - Paging: now used by 3 (attached,proc_arq_vlr_fn_init,active-conn)
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: - paging-response: now used by 1 (rx_from_ms)
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 - proc_arq_vlr_fn_init: now used by 2 (attached,active-conn)
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: - rx_from_ms: now used by 0 (-)
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: Received Event MSC_A_EV_UNUSED
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: state_chg to MSC_A_ST_RELEASING
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_RELEASING}: Releasing: msc_a use is 0 (-)
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 + msc_a_fsm_releasing_onenter: now used by 3 (attached,active-conn,msc_a_fsm_releasing_onenter)
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 + vlr_subscr_cancel_attach_fsm: now used by 4 (attached,active-conn,msc_a_fsm_releasing_onenter,vlr_subscr_cancel_attach_fsm)
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 - vlr_subscr_cancel_attach_fsm: now used by 3 (attached,active-conn,msc_a_fsm_releasing_onenter)
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_RELEASING}: + wait-Clear-Complete: now used by 1 (wait-Clear-Complete)
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_RELEASING}: RAN encode: CLEAR_COMMAND on GERAN-A
+DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){0}: Received Event MSC_I_EV_FROM_A_FORWARD_ACCESS_SIGNALLING_REQUEST
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 - msc_a_fsm_releasing_onenter: now used by 2 (attached,active-conn)
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_RELEASING}: RAN decode: CLEAR_COMPLETE
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_RELEASING}: - wait-Clear-Complete: now used by 0 (-)
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_RELEASING}: Received Event MSC_A_EV_UNUSED
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_RELEASING}: state_chg to MSC_A_ST_RELEASED
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_RELEASED}: Released: msc_a use is 0 (-)
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_RELEASED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){PR_ARQ_S_DONE}: Terminating in cascade, depth 2 (cause = OSMO_FSM_TERM_PARENT, caused by: msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP))
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){PR_ARQ_S_DONE}: Removing from parent msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP)
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){PR_ARQ_S_DONE}: Deferring: will deallocate with msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP)
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_RELEASED}: Removing from parent msub_fsm
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_RELEASED}: max total use count was 3
+DMSC msub_fsm{active}: Received Event MSUB_EV_ROLE_TERMINATED
+DMSC msub(IMSI-901700000010650:MSISDN-46071) MSC-A terminated
+DMSC msub(IMSI-901700000010650:MSISDN-46071) 1 MSC-I still active
+DMSC msub_fsm{active}: state_chg to terminating
+DMSC msub_fsm{terminating}: Terminating in cascade, depth 2 (cause = OSMO_FSM_TERM_REGULAR, caused by: msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP))
+DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){0}: Terminating in cascade, depth 3 (cause = OSMO_FSM_TERM_PARENT, caused by: msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP))
+DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){0}: Removing from parent msub_fsm
+DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){0}: Deferring: will deallocate with msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP)
+DMSC msub(IMSI-901700000010650:MSISDN-46071) Free
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 - active-conn: now used by 1 (attached)
+DMSC msub_fsm{terminating}: Deferring: will deallocate with msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP)
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_RELEASED}: Deallocated, including all deferred deallocations
+- msub gone
+  llist_count(&msub_list) == 0
+
+
+- ======================== SUCCESS: MT call: FR1 picked by MT's Codec List (BSS Supported), hence MO also picks FR1 (EXPECTED FAILURE)
+
+
+- ======================== MO call: FR1 picked by MT's MS Bearer Capability, hence MO also picks FR1 (EXPECTED FAILURE)
+- CM Service Request with Codec List (BSS Supported) = FR1 FR2 FR3 HR1 HR3
+  MSC <--GERAN-A-- MS: GSM48_MT_MM_CM_SERV_REQ
+  new conn
+DMSC msub_fsm{active}: Allocated
+DMSC msc_a{MSC_A_ST_VALIDATE_L3}: Allocated
+DMSC msc_a{MSC_A_ST_VALIDATE_L3}: is child of msub_fsm
+DMSC msc_a(unknown:GERAN-A:NONE){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_VALIDATE_L3
+DMSC dummy_msc_i{0}: Allocated
+DMSC dummy_msc_i{0}: is child of msub_fsm
+DREF msc_a(unknown:GERAN-A:NONE){MSC_A_ST_VALIDATE_L3}: + rx_from_ms: now used by 1 (rx_from_ms)
+DBSSAP msc_a(unknown:GERAN-A:NONE){MSC_A_ST_VALIDATE_L3}: RAN decode: COMPL_L3
+DBSSAP msc_a(unknown:GERAN-A:NONE){MSC_A_ST_VALIDATE_L3}: Complete Layer 3: Codec List (BSS Supported): GSM#3,GSM-EFR#110,AMR:octet-align=1#112,GSM-HR-08#111
+DRLL msc_a(unknown:GERAN-A:NONE){MSC_A_ST_VALIDATE_L3}: Dispatching 04.08 message: MM GSM48_MT_MM_CM_SERV_REQ
+DMM msc_a(IMSI-901700000010650:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_VALIDATE_L3}: Rx CM SERVICE REQUEST cm_service_type=MO-Call
+DREF msc_a(IMSI-901700000010650:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_VALIDATE_L3}: + cm_service_cc: now used by 2 (rx_from_ms,cm_service_cc)
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:GERAN-A:CM_SERVICE_REQ){PR_ARQ_S_INIT}: Allocated
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:GERAN-A:CM_SERVICE_REQ){PR_ARQ_S_INIT}: is child of msc_a(IMSI-901700000010650:GERAN-A:CM_SERVICE_REQ)
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:GERAN-A:CM_SERVICE_REQ){PR_ARQ_S_INIT}: rev=R99 net=GERAN (no Auth)
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:GERAN-A:CM_SERVICE_REQ){PR_ARQ_S_INIT}: Received Event PR_ARQ_E_START
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 + proc_arq_vlr_fn_init: now used by 2 (attached,proc_arq_vlr_fn_init)
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 + active-conn: now used by 3 (attached,proc_arq_vlr_fn_init,active-conn)
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_VALIDATE_L3}: Received Event MSC_A_EV_COMPLETE_LAYER_3_OK
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_AUTH_CIPH
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){PR_ARQ_S_INIT}: proc_arq_vlr_fn_post_imsi()
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){PR_ARQ_S_INIT}: _proc_arq_vlr_node2()
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){PR_ARQ_S_INIT}: _proc_arq_vlr_node2_post_ciph()
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_AUTH_CIPH}: RAN encode: COMMON_ID on GERAN-A
+DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){0}: Received Event MSC_I_EV_FROM_A_FORWARD_ACCESS_SIGNALLING_REQUEST
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){PR_ARQ_S_INIT}: _proc_arq_vlr_node2_post_vlr()
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){PR_ARQ_S_INIT}: _proc_arq_vlr_post_pres()
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){PR_ARQ_S_INIT}: _proc_arq_vlr_post_trace()
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){PR_ARQ_S_INIT}: _proc_arq_vlr_post_imei()
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){PR_ARQ_S_INIT}: proc_arq_fsm_done(PASSED)
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){PR_ARQ_S_INIT}: state_chg to PR_ARQ_S_DONE
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){PR_ARQ_S_DONE}: Process Access Request result: PASSED
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_AUTH_CIPH}: Sending DTAP: MM GSM48_MT_MM_CM_SERV_ACC
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_AUTH_CIPH}: RAN encode: DTAP on GERAN-A
+- DTAP --GERAN-A--> MS: GSM48_MT_MM_CM_SERV_ACC: 0521
+DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){0}: Received Event MSC_I_EV_FROM_A_FORWARD_ACCESS_SIGNALLING_REQUEST
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_AUTH_CIPH}: Received Event MSC_A_EV_AUTHENTICATED
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_AUTH_CIPH}: state_chg to MSC_A_ST_AUTHENTICATED
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 - proc_arq_vlr_fn_init: now used by 2 (attached,active-conn)
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_AUTHENTICATED}: - rx_from_ms: now used by 1 (cm_service_cc)
+  cm_service_result_sent == 1
+msc_a_is_accepted() == true
+- MS sends CC SETUP with Bearer Capability =  AMR AMR AMR GSM-EFR GSM GSM-HR-08
+  MSC <--GERAN-A-- MS: GSM48_MT_CC_SETUP
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_AUTHENTICATED}: + rx_from_ms: now used by 2 (cm_service_cc,rx_from_ms)
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_AUTHENTICATED}: RAN decode: DTAP
+DRLL msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_AUTHENTICATED}: Dispatching 04.08 message: CC GSM48_MT_CC_SETUP
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 + CC: now used by 3 (attached,active-conn,CC)
+DCC trans(CC:NULL IMSI-901700000010650:MSISDN-46071 callref-0x80000008 tid-8) New transaction
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_AUTHENTICATED}: Received Event MSC_A_EV_TRANSACTION_ACCEPTED
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_AUTHENTICATED}: state_chg to MSC_A_ST_COMMUNICATING
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: + cc: now used by 3 (cm_service_cc,rx_from_ms,cc)
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: - cm_service_cc: now used by 2 (rx_from_ms,cc)
+DCC trans(CC:NULL IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000008 tid-8) rx SETUP in state NULL
+DCC trans(CC:NULL IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000008 tid-8) starting guard timer with 180 seconds
+DCC trans(CC:NULL IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000008 tid-8) SETUP to 123
+DCC trans(CC:NULL IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000008 tid-8) codecs: :0{AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111} (from: MS={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111} bss={GSM#3,GSM-EFR#110,AMR:octet-align=1#112,GSM-HR-08#111} RAN={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111})
+DCC trans(CC:NULL IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000008 tid-8) new state NULL -> INITIATED
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: Starting call assignment
+DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){ESTABLISHING}: Allocated
+DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){ESTABLISHING}: is child of msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ)
+  MGW <--CRCX to RTP_TO_CN-- MSC: callref=0x80000008 codecs=AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){UNINITIALIZED}: Allocated
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){UNINITIALIZED}: is child of call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483656:RTP_TO_CN:no-CI){UNINITIALIZED}: setting codecs to AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111
+  MGW <--CRCX to RTP_TO_RAN-- MSC: callref=0x80000008 codecs=AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){UNINITIALIZED}: Allocated
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){UNINITIALIZED}: is child of call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483656:RTP_TO_RAN:no-CI){UNINITIALIZED}: setting codecs to AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: - rx_from_ms: now used by 1 (cc)
+- As soon as the MGW port towards CN is created, MNCC_SETUP_IND is triggered
+  MGW --CRCX OK to RTP_TO_CN--> MSC
+DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){ESTABLISHING}: Received Event CALL_LEG_EV_RTP_STREAM_ADDR_AVAILABLE
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: Received Event MSC_EV_CALL_LEG_RTP_LOCAL_ADDR_AVAILABLE
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: MGW endpoint's RTP address available for the CI RTP_TO_CN: 10.23.23.1:23 (osmux=no:-2)
+DMNCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000008 tid-8) tx MNCC_SETUP_IND (RTP=10.23.23.1:23{AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111})
+  MSC --> MNCC: callref 0x80000008: MNCC_SETUP_IND
+v=0

+o=OsmoMSC 0 0 IN IP4 10.23.23.1

+s=GSM Call

+c=IN IP4 10.23.23.1

+t=0 0

+m=audio 23 RTP/AVP 112 110 3 111

+a=rtpmap:112 AMR/8000

+a=fmtp:112 octet-align=1

+a=rtpmap:110 GSM-EFR/8000

+a=rtpmap:3 GSM/8000

+a=rtpmap:111 GSM-HR-08/8000

+a=ptime:20

+
+- VALIDATE_SDP OK: cc_to_mncc_tx_last_sdp == t->mo_tx_sdp_mncc_setup_ind == AMR GSM-EFR GSM GSM-HR-08
+- MNCC replies with MNCC_RTP_CREATE, causing MGW endpoint CRCX to RAN
+  MSC <-- MNCC: callref 0x80000008: MNCC_RTP_CREATE
+
+DMNCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000008 tid-8) rx MNCC_RTP_CREATE
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: Assignment for this trans already started earlier
+- MGW acknowledges the CRCX, triggering Assignment with FR3 HR3 FR2 FR1 HR1
+  MGW --CRCX OK to RTP_TO_RAN--> MSC
+DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){ESTABLISHING}: Received Event CALL_LEG_EV_RTP_STREAM_ADDR_AVAILABLE
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: Received Event MSC_EV_CALL_LEG_RTP_LOCAL_ADDR_AVAILABLE
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: MGW endpoint's RTP address available for the CI RTP_TO_RAN: 10.23.23.1:23 (osmux=no:-2)
+DCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000008 tid-8) Sending Assignment Command with codecs: 10.23.23.1:23{AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111} (from: MS={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111} bss={GSM#3,GSM-EFR#110,AMR:octet-align=1#112,GSM-HR-08#111} RAN={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111})
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: RAN encode: ASSIGNMENT_COMMAND on GERAN-A
+DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){0}: Received Event MSC_I_EV_FROM_A_FORWARD_ACCESS_SIGNALLING_REQUEST
+- VALIDATE_PERM_SPEECH OK: &bssap_assignment_command_last_channel_type == t->mo_tx_assignment_perm_speech == FR3 HR3 FR2 FR1 HR1
+- Assignment succeeds, triggering MNCC_RTP_CREATE ack to MNCC
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: RAN decode: ASSIGNMENT_COMPLETE
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483656:RTP_TO_RAN:no-CI){UNINITIALIZED}: setting codecs to AMR:octet-align=1#112
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483656:RTP_TO_RAN:no-CI:local-10-23-23-1-23){UNINITIALIZED}: setting remote addr to 1.2.3.4:1234
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483656:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Not committing: no MGW endpoint CI set up
+DCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000008 tid-8) Assignment Complete: RAN: AMR:octet-align=1#112, CN: AMR:octet-align=1#112
+DCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000008 tid-8) codecs: 10.23.23.1:23{AMR:octet-align=1#112} (from: assigned=AMR:octet-align=1#112 MS={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111} bss={GSM#3,GSM-EFR#110,AMR:octet-align=1#112,GSM-HR-08#111} RAN={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111})
+DMNCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000008 tid-8) tx MNCC_RTP_CREATE (RTP=10.23.23.1:23{AMR:octet-align=1#112})
+  MSC --> MNCC: callref 0x80000008: MNCC_RTP_CREATE
+v=0

+o=OsmoMSC 0 0 IN IP4 10.23.23.1

+s=GSM Call

+c=IN IP4 10.23.23.1

+t=0 0

+m=audio 23 RTP/AVP 112

+a=rtpmap:112 AMR/8000

+a=fmtp:112 octet-align=1

+a=ptime:20

+
+- VALIDATE_SDP OK: cc_to_mncc_tx_last_sdp == t->mo_tx_sdp_mncc_rtp_create == AMR
+- MNCC says that's fine
+  MSC <-- MNCC: callref 0x80000008: MNCC_CALL_PROC_REQ
+
+DMNCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000008 tid-8) rx MNCC_CALL_PROC_REQ
+DCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000008 tid-8) stopping pending guard timer
+DCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000008 tid-8) starting guard timer with 180 seconds
+DCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000008 tid-8) new state INITIATED -> MO_CALL_PROC
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: Sending DTAP: CC GSM48_MT_CC_CALL_PROC
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: RAN encode: DTAP on GERAN-A
+- DTAP --GERAN-A--> MS: GSM48_MT_CC_CALL_PROC: 8302
+- DTAP matches expected message
+DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){0}: Received Event MSC_I_EV_FROM_A_FORWARD_ACCESS_SIGNALLING_REQUEST
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: Assignment for this trans already started earlier
+- Total time passed: 876.000660 s
+- The other call leg got established (not shown here), MNCC tells us so, with codecs { }
+  MSC <-- MNCC: callref 0x80000008: MNCC_ALERT_REQ
+
+DMNCC trans(CC:MO_CALL_PROC IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000008 tid-8) rx MNCC_ALERT_REQ
+DCC trans(CC:MO_CALL_PROC IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000008 tid-8) stopping pending guard timer
+DCC trans(CC:MO_CALL_PROC IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000008 tid-8) starting guard timer with 180 seconds
+DCC trans(CC:MO_CALL_PROC IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000008 tid-8) new state MO_CALL_PROC -> CALL_DELIVERED
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: Sending DTAP: CC GSM48_MT_CC_ALERTING
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: RAN encode: DTAP on GERAN-A
+- DTAP --GERAN-A--> MS: GSM48_MT_CC_ALERTING: 8301
+- DTAP matches expected message
+DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){0}: Received Event MSC_I_EV_FROM_A_FORWARD_ACCESS_SIGNALLING_REQUEST
+  MSC <-- MNCC: callref 0x80000008: MNCC_SETUP_RSP
+
+DMNCC trans(CC:CALL_DELIVERED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000008 tid-8) rx MNCC_SETUP_RSP
+DCC trans(CC:CALL_DELIVERED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000008 tid-8) stopping pending guard timer
+DCC trans(CC:CALL_DELIVERED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000008 tid-8) starting guard timer with 180 seconds
+DCC trans(CC:CALL_DELIVERED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000008 tid-8) starting timer T313 with 30 seconds
+DCC trans(CC:CALL_DELIVERED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000008 tid-8) new state CALL_DELIVERED -> CONNECT_IND
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: Sending DTAP: CC GSM48_MT_CC_CONNECT
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: RAN encode: DTAP on GERAN-A
+- DTAP --GERAN-A--> MS: GSM48_MT_CC_CONNECT: 8307
+- DTAP matches expected message
+DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){0}: Received Event MSC_I_EV_FROM_A_FORWARD_ACCESS_SIGNALLING_REQUEST
+- Total time passed: 877.000683 s
+  MSC <--GERAN-A-- MS: GSM48_MT_CC_CONNECT_ACK
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: + rx_from_ms: now used by 2 (cc,rx_from_ms)
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: RAN decode: DTAP
+DRLL msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: Dispatching 04.08 message: CC GSM48_MT_CC_CONNECT_ACK
+DCC trans(CC:CONNECT_IND IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000008 tid-8) rx CONNECT_ACK in state CONNECT_IND
+DCC trans(CC:CONNECT_IND IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000008 tid-8) stopping pending timer T313
+DCC trans(CC:CONNECT_IND IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000008 tid-8) new state CONNECT_IND -> ACTIVE
+DCC trans(CC:ACTIVE IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000008 tid-8) stopping pending guard timer
+DMNCC trans(CC:ACTIVE IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000008 tid-8) tx MNCC_SETUP_COMPL_IND
+  MSC --> MNCC: callref 0x80000008: MNCC_SETUP_COMPL_IND
+
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: - rx_from_ms: now used by 1 (cc)
+- VALIDATE_SDP OK: cc_to_mncc_tx_last_sdp == t->mo_tx_sdp_mncc_setup_compl_ind ==
+
+
+- RTP stream goes ahead, not shown here.
+- Total time passed: 1000.000728 s
+
+
+- Call ends
+  MSC <--GERAN-A-- MS: GSM48_MT_CC_DISCONNECT
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: + rx_from_ms: now used by 2 (cc,rx_from_ms)
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: RAN decode: DTAP
+DRLL msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: Dispatching 04.08 message: CC GSM48_MT_CC_DISCONNECT
+DCC trans(CC:ACTIVE IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000008 tid-8) rx DISCONNECT in state ACTIVE
+DCC trans(CC:ACTIVE IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000008 tid-8) new state ACTIVE -> DISCONNECT_IND
+DMNCC trans(CC:DISCONNECT_IND IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000008 tid-8) tx MNCC_DISC_IND
+  MSC --> MNCC: callref 0x80000008: MNCC_DISC_IND
+
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: - rx_from_ms: now used by 1 (cc)
+  MSC <-- MNCC: callref 0x80000008: MNCC_REL_REQ
+
+DMNCC trans(CC:DISCONNECT_IND IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000008 tid-8) rx MNCC_REL_REQ
+DCC trans(CC:DISCONNECT_IND IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000008 tid-8) starting guard timer with 180 seconds
+DCC trans(CC:DISCONNECT_IND IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000008 tid-8) starting timer T308 with 10 seconds
+DCC trans(CC:DISCONNECT_IND IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000008 tid-8) new state DISCONNECT_IND -> RELEASE_REQ
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: Sending DTAP: CC GSM48_MT_CC_RELEASE
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: RAN encode: DTAP on GERAN-A
+- DTAP --GERAN-A--> MS: GSM48_MT_CC_RELEASE: 832d
+- DTAP matches expected message
+DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){0}: Received Event MSC_I_EV_FROM_A_FORWARD_ACCESS_SIGNALLING_REQUEST
+  MSC <--GERAN-A-- MS: GSM48_MT_CC_RELEASE_COMPL
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: + rx_from_ms: now used by 2 (cc,rx_from_ms)
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: RAN decode: DTAP
+DRLL msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: Dispatching 04.08 message: CC GSM48_MT_CC_RELEASE_COMPL
+DCC trans(CC:RELEASE_REQ IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000008 tid-8) rx RELEASE_COMPL in state RELEASE_REQ
+DCC trans(CC:RELEASE_REQ IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000008 tid-8) stopping pending timer T308
+DMNCC trans(CC:RELEASE_REQ IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000008 tid-8) tx MNCC_REL_CNF
+  MSC --> MNCC: callref 0x80000008: MNCC_REL_CNF
+
+DCC trans(CC:RELEASE_REQ IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x0 tid-8) Freeing transaction
+DCC trans(CC:RELEASE_REQ IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x0 tid-8) new state RELEASE_REQ -> NULL
+DCC trans(CC:NULL IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x0 tid-8) stopping pending guard timer
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 - CC: now used by 2 (attached,active-conn)
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: - cc: now used by 1 (rx_from_ms)
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: - rx_from_ms: now used by 0 (-)
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: Received Event MSC_A_EV_UNUSED
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: state_chg to MSC_A_ST_RELEASING
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_RELEASING}: Releasing: msc_a use is 0 (-)
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 + msc_a_fsm_releasing_onenter: now used by 3 (attached,active-conn,msc_a_fsm_releasing_onenter)
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 + vlr_subscr_cancel_attach_fsm: now used by 4 (attached,active-conn,msc_a_fsm_releasing_onenter,vlr_subscr_cancel_attach_fsm)
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 - vlr_subscr_cancel_attach_fsm: now used by 3 (attached,active-conn,msc_a_fsm_releasing_onenter)
+DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){ESTABLISHING}: state_chg to RELEASING
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483656:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483656:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Removing from parent call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483656:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Deallocated
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483656:RTP_TO_CN:no-CI){UNINITIALIZED}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483656:RTP_TO_CN:no-CI){UNINITIALIZED}: Removing from parent call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483656:RTP_TO_CN:no-CI){UNINITIALIZED}: Deallocated
+DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){RELEASING}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){RELEASING}: Removing from parent msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ)
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_RELEASING}: Received Event MSC_EV_CALL_LEG_TERM
+DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){RELEASING}: Deallocated
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_RELEASING}: + wait-Clear-Complete: now used by 1 (wait-Clear-Complete)
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_RELEASING}: RAN encode: CLEAR_COMMAND on GERAN-A
+DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){0}: Received Event MSC_I_EV_FROM_A_FORWARD_ACCESS_SIGNALLING_REQUEST
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 - msc_a_fsm_releasing_onenter: now used by 2 (attached,active-conn)
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_RELEASING}: RAN decode: CLEAR_COMPLETE
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_RELEASING}: - wait-Clear-Complete: now used by 0 (-)
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_RELEASING}: Received Event MSC_A_EV_UNUSED
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_RELEASING}: state_chg to MSC_A_ST_RELEASED
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_RELEASED}: Released: msc_a use is 0 (-)
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_RELEASED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){PR_ARQ_S_DONE}: Terminating in cascade, depth 2 (cause = OSMO_FSM_TERM_PARENT, caused by: msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ))
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){PR_ARQ_S_DONE}: Removing from parent msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ)
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){PR_ARQ_S_DONE}: Deferring: will deallocate with msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ)
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_RELEASED}: Removing from parent msub_fsm
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_RELEASED}: max total use count was 3
+DMSC msub_fsm{active}: Received Event MSUB_EV_ROLE_TERMINATED
+DMSC msub(IMSI-901700000010650:MSISDN-46071) MSC-A terminated
+DMSC msub(IMSI-901700000010650:MSISDN-46071) 1 MSC-I still active
+DMSC msub_fsm{active}: state_chg to terminating
+DMSC msub_fsm{terminating}: Terminating in cascade, depth 2 (cause = OSMO_FSM_TERM_REGULAR, caused by: msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ))
+DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){0}: Terminating in cascade, depth 3 (cause = OSMO_FSM_TERM_PARENT, caused by: msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ))
+DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){0}: Removing from parent msub_fsm
+DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){0}: Deferring: will deallocate with msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ)
+DMSC msub(IMSI-901700000010650:MSISDN-46071) Free
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 - active-conn: now used by 1 (attached)
+DMSC msub_fsm{terminating}: Deferring: will deallocate with msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ)
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_RELEASED}: Deallocated, including all deferred deallocations
+- msub gone
+  llist_count(&msub_list) == 0
+
+
+- ======================== SUCCESS: MO call: FR1 picked by MT's MS Bearer Capability, hence MO also picks FR1 (EXPECTED FAILURE)
+
+
+- ======================== MT call: FR1 picked by MT's MS Bearer Capability, hence MO also picks FR1 (EXPECTED FAILURE)
+
+
+- MNCC asks us to setup a call, causing Paging
+  MSC <-- MNCC: callref 0x423: MNCC_SETUP_REQ
+v=0

+o=OsmoMSC 0 0 IN IP4 1.2.3.4

+s=GSM Call

+c=IN IP4 1.2.3.4

+t=0 0

+m=audio 56 RTP/AVP 112

+a=rtpmap:112 AMR/8000

+a=fmtp:112 octet-align=1

+a=ptime:20

+
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 + mncc_tx_to_gsm_cc: now used by 2 (attached,mncc_tx_to_gsm_cc)
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 + CC: now used by 3 (attached,mncc_tx_to_gsm_cc,CC)
+DCC trans(CC:NULL IMSI-901700000010650:MSISDN-46071 callref-0x423 tid-255) New transaction
+DMNCC trans(CC:NULL IMSI-901700000010650:MSISDN-46071 callref-0x423 tid-255) rx MNCC_SETUP_REQ (RTP=1.2.3.4:56{AMR:octet-align=1#112})
+DPAG Paging: IMSI-901700000010650:MSISDN-46071 for MNCC: establish call: Starting paging
+  paging request (CALL_CONVERSATIONAL) to IMSI-901700000010650:MSISDN-46071 on GERAN-A
+  strcmp(paging_expecting_imsi, vsub->imsi) == 0
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 + Paging: now used by 4 (attached,mncc_tx_to_gsm_cc,CC,Paging)
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 - mncc_tx_to_gsm_cc: now used by 3 (attached,CC,Paging)
+  paging_sent == 1
+- MS replies with Paging Response, with Codec List (BSS Supported) = FR1 FR2 FR3 HR1 HR3
+- VLR accepts, MSC sends CC Setup with Bearer Capability =  AMR AMR AMR
+  MSC <--GERAN-A-- MS: GSM48_MT_RR_PAG_RESP
+  new conn
+DMSC msub_fsm{active}: Allocated
+DMSC msc_a{MSC_A_ST_VALIDATE_L3}: Allocated
+DMSC msc_a{MSC_A_ST_VALIDATE_L3}: is child of msub_fsm
+DMSC msc_a(unknown:GERAN-A:NONE){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_VALIDATE_L3
+DMSC dummy_msc_i{0}: Allocated
+DMSC dummy_msc_i{0}: is child of msub_fsm
+DREF msc_a(unknown:GERAN-A:NONE){MSC_A_ST_VALIDATE_L3}: + rx_from_ms: now used by 1 (rx_from_ms)
+DBSSAP msc_a(unknown:GERAN-A:NONE){MSC_A_ST_VALIDATE_L3}: RAN decode: COMPL_L3
+DBSSAP msc_a(unknown:GERAN-A:NONE){MSC_A_ST_VALIDATE_L3}: Complete Layer 3: Codec List (BSS Supported): GSM#3,GSM-EFR#110,AMR:octet-align=1#112,GSM-HR-08#111
+DRLL msc_a(unknown:GERAN-A:NONE){MSC_A_ST_VALIDATE_L3}: Dispatching 04.08 message: RR GSM48_MT_RR_PAG_RESP
+DRR msc_a(IMSI-901700000010650:GERAN-A:PAGING_RESP){MSC_A_ST_VALIDATE_L3}: Rx PAGING RESPONSE IMSI-901700000010650
+DREF msc_a(IMSI-901700000010650:GERAN-A:PAGING_RESP){MSC_A_ST_VALIDATE_L3}: + paging-response: now used by 2 (rx_from_ms,paging-response)
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:GERAN-A:PAGING_RESP){PR_ARQ_S_INIT}: Allocated
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:GERAN-A:PAGING_RESP){PR_ARQ_S_INIT}: is child of msc_a(IMSI-901700000010650:GERAN-A:PAGING_RESP)
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:GERAN-A:PAGING_RESP){PR_ARQ_S_INIT}: rev=R99 net=GERAN (no Auth)
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:GERAN-A:PAGING_RESP){PR_ARQ_S_INIT}: Received Event PR_ARQ_E_START
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 + proc_arq_vlr_fn_init: now used by 4 (attached,CC,Paging,proc_arq_vlr_fn_init)
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 + active-conn: now used by 5 (attached,CC,Paging,proc_arq_vlr_fn_init,active-conn)
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_VALIDATE_L3}: Received Event MSC_A_EV_COMPLETE_LAYER_3_OK
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_AUTH_CIPH
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){PR_ARQ_S_INIT}: proc_arq_vlr_fn_post_imsi()
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){PR_ARQ_S_INIT}: _proc_arq_vlr_node2()
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){PR_ARQ_S_INIT}: _proc_arq_vlr_node2_post_ciph()
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_AUTH_CIPH}: RAN encode: COMMON_ID on GERAN-A
+DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){0}: Received Event MSC_I_EV_FROM_A_FORWARD_ACCESS_SIGNALLING_REQUEST
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){PR_ARQ_S_INIT}: _proc_arq_vlr_node2_post_vlr()
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){PR_ARQ_S_INIT}: _proc_arq_vlr_post_pres()
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){PR_ARQ_S_INIT}: _proc_arq_vlr_post_trace()
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){PR_ARQ_S_INIT}: _proc_arq_vlr_post_imei()
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){PR_ARQ_S_INIT}: proc_arq_fsm_done(PASSED)
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){PR_ARQ_S_INIT}: state_chg to PR_ARQ_S_DONE
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){PR_ARQ_S_DONE}: Process Access Request result: PASSED
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_AUTH_CIPH}: Received Event MSC_A_EV_AUTHENTICATED
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_AUTH_CIPH}: state_chg to MSC_A_ST_AUTHENTICATED
+DPAG Paging: IMSI-901700000010650:MSISDN-46071 for MNCC: establish call: Paging Response action (success)
+DPAG Paging: IMSI-901700000010650:MSISDN-46071 for MNCC: establish call: Removing Paging Request
+DCC trans(CC:NULL IMSI-901700000010650:MSISDN-46071 callref-0x423 tid-255) Paging succeeded
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_AUTHENTICATED}: + cc: now used by 3 (rx_from_ms,paging-response,cc)
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_AUTHENTICATED}: Received Event MSC_A_EV_TRANSACTION_ACCEPTED
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_AUTHENTICATED}: state_chg to MSC_A_ST_COMMUNICATING
+DCC trans(CC:NULL IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) starting timer T303 with 30 seconds
+DCC trans(CC:NULL IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) codecs: :0{AMR:octet-align=1#112} (from: remote=1.2.3.4:56{AMR:octet-align=1#112} bss={GSM#3,GSM-EFR#110,AMR:octet-align=1#112,GSM-HR-08#111} RAN={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111})
+DCC trans(CC:NULL IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) new state NULL -> CALL_PRESENT
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: Sending DTAP: CC GSM48_MT_CC_SETUP
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: RAN encode: DTAP on GERAN-A
+- DTAP --GERAN-A--> MS: GSM48_MT_CC_SETUP: 030504046004058b
+- DTAP matches expected message
+DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){0}: Received Event MSC_I_EV_FROM_A_FORWARD_ACCESS_SIGNALLING_REQUEST
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 - Paging: now used by 4 (attached,CC,proc_arq_vlr_fn_init,active-conn)
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: - paging-response: now used by 2 (rx_from_ms,cc)
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 - proc_arq_vlr_fn_init: now used by 3 (attached,CC,active-conn)
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: - rx_from_ms: now used by 1 (cc)
+- MS confirms call, we create a RAN-side RTP and forward MNCC_CALL_CONF_IND
+  MSC <--GERAN-A-- MS: GSM48_MT_CC_CALL_CONF
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: + rx_from_ms: now used by 2 (cc,rx_from_ms)
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: RAN decode: DTAP
+DRLL msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: Dispatching 04.08 message: CC GSM48_MT_CC_CALL_CONF
+DCC trans(CC:CALL_PRESENT IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) rx CALL_CONF in state CALL_PRESENT
+DCC trans(CC:CALL_PRESENT IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) stopping pending timer T303
+DCC trans(CC:CALL_PRESENT IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) starting timer T310 with 30 seconds
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: Starting call assignment
+DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){ESTABLISHING}: Allocated
+DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){ESTABLISHING}: is child of msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP)
+  MGW <--CRCX to RTP_TO_CN-- MSC: callref=0x423 codecs=(no-codecs)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){UNINITIALIZED}: Allocated
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){UNINITIALIZED}: is child of call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP)
+  MGW <--CRCX to RTP_TO_RAN-- MSC: callref=0x423 codecs=(no-codecs)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){UNINITIALIZED}: Allocated
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){UNINITIALIZED}: is child of call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP)
+DCC trans(CC:CALL_PRESENT IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) new state CALL_PRESENT -> MO_TERM_CALL_CONF
+DMNCC trans(CC:MO_TERM_CALL_CONF IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) tx MNCC_CALL_CONF_IND
+  MSC --> MNCC: callref 0x423: MNCC_CALL_CONF_IND
+
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: - rx_from_ms: now used by 1 (cc)
+- VALIDATE_SDP OK: cc_to_mncc_tx_last_sdp == t->mt_tx_sdp_mncc_call_conf_ind ==
+- MGW acknowledges the CRCX to RAN, triggering Assignment with FR3 HR3
+- MS Bearer Capability leads to a codec mismatch, Assignment aborts
+  MGW --CRCX OK to RTP_TO_RAN--> MSC
+DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){ESTABLISHING}: Received Event CALL_LEG_EV_RTP_STREAM_ADDR_AVAILABLE
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: Received Event MSC_EV_CALL_LEG_RTP_LOCAL_ADDR_AVAILABLE
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: MGW endpoint's RTP address available for the CI RTP_TO_RAN: 10.23.23.1:23 (osmux=no:-2)
+DCC trans(CC:MO_TERM_CALL_CONF IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) Sending Assignment Command with codecs: :0{(no-codecs)} (from: remote=1.2.3.4:56{AMR:octet-align=1#112} MS={GSM#3} bss={GSM#3,GSM-EFR#110,AMR:octet-align=1#112,GSM-HR-08#111} RAN={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111})
+DCC trans(CC:MO_TERM_CALL_CONF IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) Assignment not possible, no matching codec: :0{(no-codecs)} (from: remote=1.2.3.4:56{AMR:octet-align=1#112} MS={GSM#3} bss={GSM#3,GSM-EFR#110,AMR:octet-align=1#112,GSM-HR-08#111} RAN={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111})
+DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){ESTABLISHING}: state_chg to RELEASING
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-1059:RTP_TO_RAN:no-CI){UNINITIALIZED}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-1059:RTP_TO_RAN:no-CI){UNINITIALIZED}: Removing from parent call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-1059:RTP_TO_RAN:no-CI){UNINITIALIZED}: Deallocated
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-1059:RTP_TO_CN:no-CI){UNINITIALIZED}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-1059:RTP_TO_CN:no-CI){UNINITIALIZED}: Removing from parent call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-1059:RTP_TO_CN:no-CI){UNINITIALIZED}: Deallocated
+DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){RELEASING}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){RELEASING}: Removing from parent msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP)
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: Received Event MSC_EV_CALL_LEG_TERM
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: + msc_a_fsm_communicating: now used by 2 (cc,msc_a_fsm_communicating)
+DCC trans(CC:MO_TERM_CALL_CONF IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) Freeing transaction
+DCC trans(CC:MO_TERM_CALL_CONF IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) stopping pending timer T310
+DMNCC trans(CC:MO_TERM_CALL_CONF IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) tx MNCC_REL_IND
+  MSC --> MNCC: callref 0x423: MNCC_REL_IND
+
+DCC trans(CC:MO_TERM_CALL_CONF IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) starting timer T308 with 10 seconds
+DCC trans(CC:MO_TERM_CALL_CONF IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) new state MO_TERM_CALL_CONF -> RELEASE_REQ
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: Sending DTAP: CC GSM48_MT_CC_RELEASE
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: RAN encode: DTAP on GERAN-A
+- DTAP --GERAN-A--> MS: GSM48_MT_CC_RELEASE: 032d0802e1af
+- DTAP matches expected message
+DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){0}: Received Event MSC_I_EV_FROM_A_FORWARD_ACCESS_SIGNALLING_REQUEST
+DCC trans(CC:RELEASE_REQ IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) stopping pending timer T308
+DCC trans(CC:RELEASE_REQ IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) new state RELEASE_REQ -> NULL
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 - CC: now used by 2 (attached,active-conn)
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: - cc: now used by 1 (msc_a_fsm_communicating)
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: - msc_a_fsm_communicating: now used by 0 (-)
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: Received Event MSC_A_EV_UNUSED
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: state_chg to MSC_A_ST_RELEASING
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_RELEASING}: Releasing: msc_a use is 0 (-)
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 + msc_a_fsm_releasing_onenter: now used by 3 (attached,active-conn,msc_a_fsm_releasing_onenter)
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 + vlr_subscr_cancel_attach_fsm: now used by 4 (attached,active-conn,msc_a_fsm_releasing_onenter,vlr_subscr_cancel_attach_fsm)
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 - vlr_subscr_cancel_attach_fsm: now used by 3 (attached,active-conn,msc_a_fsm_releasing_onenter)
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_RELEASING}: + wait-Clear-Complete: now used by 1 (wait-Clear-Complete)
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_RELEASING}: RAN encode: CLEAR_COMMAND on GERAN-A
+DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){0}: Received Event MSC_I_EV_FROM_A_FORWARD_ACCESS_SIGNALLING_REQUEST
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 - msc_a_fsm_releasing_onenter: now used by 2 (attached,active-conn)
+DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){RELEASING}: Deallocated
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_RELEASING}: RAN decode: CLEAR_COMPLETE
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_RELEASING}: - wait-Clear-Complete: now used by 0 (-)
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_RELEASING}: Received Event MSC_A_EV_UNUSED
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_RELEASING}: state_chg to MSC_A_ST_RELEASED
+DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_RELEASED}: Released: msc_a use is 0 (-)
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_RELEASED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){PR_ARQ_S_DONE}: Terminating in cascade, depth 2 (cause = OSMO_FSM_TERM_PARENT, caused by: msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP))
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){PR_ARQ_S_DONE}: Removing from parent msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP)
+DVLR Process_Access_Request_VLR(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){PR_ARQ_S_DONE}: Deferring: will deallocate with msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP)
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_RELEASED}: Removing from parent msub_fsm
+DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_RELEASED}: max total use count was 3
+DMSC msub_fsm{active}: Received Event MSUB_EV_ROLE_TERMINATED
+DMSC msub(IMSI-901700000010650:MSISDN-46071) MSC-A terminated
+DMSC msub(IMSI-901700000010650:MSISDN-46071) 1 MSC-I still active
+DMSC msub_fsm{active}: state_chg to terminating
+DMSC msub_fsm{terminating}: Terminating in cascade, depth 2 (cause = OSMO_FSM_TERM_REGULAR, caused by: msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP))
+DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){0}: Terminating in cascade, depth 3 (cause = OSMO_FSM_TERM_PARENT, caused by: msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP))
+DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){0}: Removing from parent msub_fsm
+DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){0}: Deferring: will deallocate with msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP)
+DMSC msub(IMSI-901700000010650:MSISDN-46071) Free
+DREF VLR subscr IMSI-901700000010650:MSISDN-46071 - active-conn: now used by 1 (attached)
+DMSC msub_fsm{terminating}: Deferring: will deallocate with msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP)
+DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_RELEASED}: Deallocated, including all deferred deallocations
+- msub gone
+  llist_count(&msub_list) == 0
+
+
+- ======================== SUCCESS: MT call: FR1 picked by MT's MS Bearer Capability, hence MO also picks FR1 (EXPECTED FAILURE)
+  llist_count(&msub_list) == 0
+DVLR freeing VLR subscr IMSI-901700000010650:MSISDN-46071 (max total use count was 5)
+===== test_codecs: SUCCESS
+
diff --git a/tests/msc_vlr/msc_vlr_tests.c b/tests/msc_vlr/msc_vlr_tests.c
index 230031960..726475355 100644
--- a/tests/msc_vlr/msc_vlr_tests.c
+++ b/tests/msc_vlr/msc_vlr_tests.c
@@ -77,6 +77,7 @@ bool bssap_clear_sent = false;
 
 bool bssap_assignment_expected = false;
 bool bssap_assignment_sent = false;
+struct gsm0808_channel_type bssap_assignment_command_last_channel_type;
 bool iu_rab_assignment_expected = false;
 bool iu_rab_assignment_sent = false;
 
@@ -84,6 +85,7 @@ uint32_t cc_to_mncc_tx_expected_msg_type = 0;
 const char *cc_to_mncc_tx_expected_imsi = NULL;
 bool cc_to_mncc_tx_confirmed = false;
 uint32_t cc_to_mncc_tx_got_callref = 0;
+char cc_to_mncc_tx_last_sdp[1024] = {};
 
 bool expecting_crcx[2] = {};
 bool got_crcx[2] = {};
@@ -308,14 +310,18 @@ static int bssap_validate_cipher_mode_cmd(const struct ran_cipher_mode_command *
 	return 0;
 }
 
-static void bssap_validate_assignment_cmd()
+static void bssap_validate_assignment_cmd(const struct ran_assignment_command *assignment_command)
 {
 	OSMO_ASSERT(bssap_assignment_expected);
 	bssap_assignment_expected = false;
 	bssap_assignment_sent = true;
+	if (assignment_command->channel_type)
+		bssap_assignment_command_last_channel_type = *assignment_command->channel_type;
+	else
+		bssap_assignment_command_last_channel_type = (struct gsm0808_channel_type){};
 }
 
-static void iucs_validate_assignment_cmd()
+static void iucs_validate_assignment_cmd(const struct ran_assignment_command *assignment_command)
 {
 	OSMO_ASSERT(iu_rab_assignment_expected);
 	iu_rab_assignment_expected = false;
@@ -375,10 +381,10 @@ struct msgb *dont_ran_encode(struct osmo_fsm_inst *caller_fi, const struct ran_m
 	case RAN_MSG_ASSIGNMENT_COMMAND:
 		switch (ran_type) {
 		case OSMO_RAT_GERAN_A:
-			bssap_validate_assignment_cmd();
+			bssap_validate_assignment_cmd(&ran_enc_msg->assignment_command);
 			break;
 		case OSMO_RAT_UTRAN_IU:
-			iucs_validate_assignment_cmd();
+			iucs_validate_assignment_cmd(&ran_enc_msg->assignment_command);
 			break;
 		default:
 			OSMO_ASSERT(false);
@@ -430,7 +436,7 @@ static int fake_msc_a_ran_dec(const struct ran_msg *ran_dec_msg)
 	return msc_a_ran_decode_cb(g_msub->role[MSC_ROLE_A], &d, ran_dec_msg);
 }
 
-void rx_from_ms(struct msgb *msg)
+void rx_from_ms(struct msgb *msg, const struct gsm0808_speech_codec_list *codec_list_bss_supported)
 {
 	struct gsm48_hdr *gh = msgb_l3(msg);
 	struct ran_msg ran_dec_msg;
@@ -463,6 +469,7 @@ void rx_from_ms(struct msgb *msg)
 			.compl_l3 = {
 				.cell_id = &cell_id,
 				.msg = msg,
+				.codec_list_bss_supported = codec_list_bss_supported,
 			},
 		};
 	} else {
@@ -490,7 +497,30 @@ void ms_sends_msg(const char *hex)
 
 	msg = msgb_from_hex("ms_sends_msg", 1024, hex);
 	msg->l1h = msg->l2h = msg->l3h = msg->data;
-	rx_from_ms(msg);
+	rx_from_ms(msg, NULL);
+	msgb_free(msg);
+}
+
+void ms_sends_msgf(const char *fmt, ...)
+{
+	va_list ap;
+	char *hex;
+
+	va_start(ap, fmt);
+	hex = talloc_vasprintf(msc_vlr_tests_ctx, fmt, ap);
+	va_end(ap);
+
+	ms_sends_msg(hex);
+	talloc_free(hex);
+}
+
+void ms_sends_compl_l3(const char *hex, const struct gsm0808_speech_codec_list *codec_list_bss_supported)
+{
+	struct msgb *msg;
+
+	msg = msgb_from_hex("ms_sends_msg", 1024, hex);
+	msg->l1h = msg->l2h = msg->l3h = msg->data;
+	rx_from_ms(msg, codec_list_bss_supported);
 	msgb_free(msg);
 }
 
@@ -733,8 +763,18 @@ struct gsm_mncc *on_call_release_mncc_sends_to_cc_data = NULL;
 int mncc_recv(struct gsm_network *net, struct msgb *msg)
 {
 	struct gsm_mncc *mncc = (void*)msg->data;
-	log("MSC --> MNCC: callref 0x%x: %s", mncc->callref,
-	    get_mncc_name(mncc->msg_type));
+	if (mncc->msg_type == MNCC_RTP_CREATE) {
+		struct gsm_mncc_rtp *rtp = (void *)msg->data;
+		log("MSC --> MNCC: callref 0x%x: %s\n%s", rtp->callref,
+		    get_mncc_name(rtp->msg_type),
+		    rtp->sdp);
+		OSMO_STRLCPY_ARRAY(cc_to_mncc_tx_last_sdp, rtp->sdp);
+	} else {
+		log("MSC --> MNCC: callref 0x%x: %s\n%s", mncc->callref,
+		    get_mncc_name(mncc->msg_type),
+		    mncc->sdp);
+		OSMO_STRLCPY_ARRAY(cc_to_mncc_tx_last_sdp, mncc->sdp);
+	}
 
 	if (mncc->msg_type == MNCC_REL_IND && on_call_release_mncc_sends_to_cc_data) {
 
diff --git a/tests/msc_vlr/msc_vlr_tests.h b/tests/msc_vlr/msc_vlr_tests.h
index 737541a21..b0605f104 100644
--- a/tests/msc_vlr/msc_vlr_tests.h
+++ b/tests/msc_vlr/msc_vlr_tests.h
@@ -56,6 +56,8 @@ extern bool _log_lines;
 #define comment_start() fprintf(stderr, "===== %s\n", __func__);
 #define comment_end() fprintf(stderr, "===== %s: SUCCESS\n\n", __func__);
 
+extern void *msc_vlr_tests_ctx;
+
 extern struct msub *g_msub;
 extern struct gsm_network *net;
 extern void *msgb_ctx;
@@ -116,6 +118,7 @@ extern uint32_t cc_to_mncc_tx_expected_msg_type;
 extern const char *cc_to_mncc_tx_expected_imsi;
 extern bool cc_to_mncc_tx_confirmed;
 extern uint32_t cc_to_mncc_tx_got_callref;
+extern char cc_to_mncc_tx_last_sdp[1024];
 
 extern struct gsm_mncc *on_call_release_mncc_sends_to_cc_data;
 
@@ -148,6 +151,7 @@ static inline void expect_release_clear(enum osmo_rat_type via_ran)
 
 extern bool bssap_assignment_expected;
 extern bool bssap_assignment_sent;
+extern struct gsm0808_channel_type bssap_assignment_command_last_channel_type;
 extern bool iu_rab_assignment_expected;
 extern bool iu_rab_assignment_sent;
 
@@ -183,6 +187,8 @@ void paging_expect_imsi(const char *imsi);
 void paging_expect_tmsi(uint32_t tmsi);
 
 void ms_sends_msg(const char *hex);
+void ms_sends_msgf(const char *fmt, ...);
+void ms_sends_compl_l3(const char *hex, const struct gsm0808_speech_codec_list *codec_list_bss_supported);
 void ms_sends_classmark_update(const struct osmo_gsm48_classmark *classmark);
 void ms_sends_ciphering_mode_complete(const char *inner_nas_msg);
 void ms_sends_security_mode_complete(uint8_t utran_encryption);