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authorNeels Hofmeyr <nhofmeyr@sysmocom.de>2022-01-13 20:04:12 +0100
committerNeels Hofmeyr <nhofmeyr@sysmocom.de>2022-08-07 02:12:14 +0200
commiteec533f4dcb4f0fd403ce6881b4386ba7214a577 (patch)
tree98ec77d79cf741c16d10d8d09353aae5dd914ddd
parent11186c000e1d0e6005f431de5ca24c5f1bcb265c (diff)
send + receive SDP via MNCC
CC MNCC | ---ALERTING--> | add SDP to MNCC msg | <--ALERTING--- | store remote side SDP | <--SETUP-RESP- | store remote side SDP | --SETUP-CNF--> | add SDP to MNCC msg | -RTP-CREATE--> | use codec_filter, add SDP | <-RTP-CONNECT- | store remote SDP Related: SYS#5066 Change-Id: Ie0668c0e079ec69da1532b52d00621efe114fc2c
-rw-r--r--include/osmocom/msc/rtp_stream.h1
-rw-r--r--src/libmsc/gsm_04_08_cc.c105
-rw-r--r--src/libmsc/rtp_stream.c7
-rw-r--r--tests/msc_vlr/msc_vlr_test_call.err10
4 files changed, 116 insertions, 7 deletions
diff --git a/include/osmocom/msc/rtp_stream.h b/include/osmocom/msc/rtp_stream.h
index 17b08a474..c654edd54 100644
--- a/include/osmocom/msc/rtp_stream.h
+++ b/include/osmocom/msc/rtp_stream.h
@@ -69,6 +69,7 @@ void rtp_stream_set_codecs(struct rtp_stream *rtps, const struct sdp_audio_codec
void rtp_stream_set_one_codec(struct rtp_stream *rtps, const struct sdp_audio_codec *codec);
bool rtp_stream_set_codecs_from_mgcp_codec(struct rtp_stream *rtps, enum mgcp_codecs codec);
void rtp_stream_set_remote_addr(struct rtp_stream *rtps, const struct osmo_sockaddr_str *r);
+void rtp_stream_set_remote_addr_and_codecs(struct rtp_stream *rtps, const struct sdp_msg *sdp);
void rtp_stream_set_remote_osmux_cid(struct rtp_stream *rtps, uint8_t osmux_cid);
int rtp_stream_commit(struct rtp_stream *rtps);
diff --git a/src/libmsc/gsm_04_08_cc.c b/src/libmsc/gsm_04_08_cc.c
index 790386c96..90d97342a 100644
--- a/src/libmsc/gsm_04_08_cc.c
+++ b/src/libmsc/gsm_04_08_cc.c
@@ -513,6 +513,10 @@ static int gsm48_cc_rx_setup(struct gsm_trans *trans, struct msgb *msg)
unsigned int payload_len = msgb_l3len(msg) - sizeof(*gh);
struct tlv_parsed tp;
struct gsm_mncc setup;
+ struct osmo_sockaddr_str *rtp_cn_local;
+ struct sdp_msg *sdp;
+ struct msc_a *msc_a = trans->msc_a;
+ int rc;
gsm48_start_guard_timer(trans);
@@ -622,6 +626,27 @@ static int gsm48_cc_rx_setup(struct gsm_trans *trans, struct msgb *msg)
rate_ctr_inc(rate_ctr_group_get_ctr(trans->net->msc_ctrs, MSC_CTR_CALL_MO_SETUP));
+ /* Insert the CN side RTP port now available into SDP and compose SDP string */
+ rtp_cn_local = call_leg_local_ip(msc_a->cc.call_leg, RTP_TO_CN);
+ if (!osmo_sockaddr_str_is_nonzero(rtp_cn_local)) {
+ LOG_TRANS(trans, LOGL_ERROR, "Cannot compose SDP for MNCC_SETUP_IND: no RTP set up for the CN side\n");
+ /* FIXME: re-add below two lines as soon as CN CRCX is done first
+ * (see Change-Id Ie433db1ba0c46d4b97538a969233c155cefac21c).
+ * keeping it non-fatal for the moment, for tests to continue succeeding. */
+ //trans_free(trans);
+ //return -EINVAL;
+ }
+
+ codec_filter_set_local_rtp(&trans->cc.codecs, rtp_cn_local);
+ codec_filter_run(&trans->cc.codecs);
+ sdp = trans->cc.codecs.result.audio_codecs.count ? &trans->cc.codecs.result : NULL;
+ rc = sdp_msg_to_sdp_str_buf(setup.sdp, sizeof(setup.sdp), sdp);
+ if (rc >= sizeof(setup.sdp)) {
+ LOG_TRANS(trans, LOGL_ERROR, "MNCC_SETUP_IND: SDP too long (%d > %zu bytes)\n", rc, sizeof(setup.sdp));
+ trans_free(trans);
+ return -EINVAL;
+ }
+
/* indicate setup to MNCC */
mncc_recvmsg(trans->net, trans, MNCC_SETUP_IND, &setup);
@@ -841,6 +866,7 @@ static int gsm48_cc_rx_alerting(struct gsm_trans *trans, struct msgb *msg)
unsigned int payload_len = msgb_l3len(msg) - sizeof(*gh);
struct tlv_parsed tp;
struct gsm_mncc alerting;
+ int rc;
gsm48_stop_cc_timer(trans);
gsm48_start_cc_timer(trans, 0x301, GSM48_T301);
@@ -870,6 +896,16 @@ static int gsm48_cc_rx_alerting(struct gsm_trans *trans, struct msgb *msg)
new_cc_state(trans, GSM_CSTATE_CALL_RECEIVED);
+ codec_filter_run(&trans->cc.codecs);
+ LOG_TRANS(trans, LOGL_DEBUG, "codecs: %s\n", codec_filter_to_str(&trans->cc.codecs));
+ rc = sdp_msg_to_sdp_str_buf(alerting.sdp, sizeof(alerting.sdp), &trans->cc.codecs.result);
+ if (rc >= sizeof(alerting.sdp)) {
+ LOG_TRANS(trans, LOGL_ERROR, "MNCC_ALERT_IND: SDP too long (%d > %zu bytes)\n",
+ rc, sizeof(alerting.sdp));
+ trans_free(trans);
+ return -EINVAL;
+ }
+
return mncc_recvmsg(trans->net, trans, MNCC_ALERT_IND,
&alerting);
}
@@ -894,6 +930,19 @@ static int gsm48_cc_tx_alerting(struct gsm_trans *trans, void *arg)
new_cc_state(trans, GSM_CSTATE_CALL_DELIVERED);
+ if (alerting->sdp[0]) {
+ struct call_leg *cl = trans->msc_a->cc.call_leg;
+ struct rtp_stream *rtp_cn = cl ? cl->rtp[RTP_TO_CN] : NULL;
+ codec_filter_set_remote(&trans->cc.codecs, alerting->sdp);
+ codec_filter_run(&trans->cc.codecs);
+ LOG_TRANS(trans, LOGL_DEBUG, "%s codecs: %s\n",
+ get_mncc_name(alerting->msg_type), codec_filter_to_str(&trans->cc.codecs));
+ if (rtp_cn) {
+ rtp_stream_set_remote_addr_and_codecs(rtp_cn, &trans->cc.codecs.remote);
+ rtp_stream_commit(rtp_cn);
+ }
+ }
+
return trans_tx_gsm48(trans, msg);
}
@@ -940,6 +989,20 @@ static int gsm48_cc_tx_connect(struct gsm_trans *trans, void *arg)
new_cc_state(trans, GSM_CSTATE_CONNECT_IND);
+ /* Received an MNCC_SETUP_RSP with the remote leg's SDP information. Apply codec choice. */
+ if (connect->sdp[0]) {
+ struct call_leg *cl = trans->msc_a->cc.call_leg;
+ struct rtp_stream *rtp_cn = cl ? cl->rtp[RTP_TO_CN] : NULL;
+ sdp_msg_from_sdp_str(&trans->cc.codecs.remote, connect->sdp);
+ LOG_TRANS(trans, LOGL_DEBUG, "%s codecs: %s\n",
+ get_mncc_name(connect->msg_type),
+ codec_filter_to_str(&trans->cc.codecs));
+ if (rtp_cn) {
+ rtp_stream_set_remote_addr_and_codecs(rtp_cn, &trans->cc.codecs.remote);
+ rtp_stream_commit(rtp_cn);
+ }
+ }
+
return trans_tx_gsm48(trans, msg);
}
@@ -982,6 +1045,8 @@ static int gsm48_cc_rx_connect(struct gsm_trans *trans, struct msgb *msg)
new_cc_state(trans, GSM_CSTATE_CONNECT_REQUEST);
rate_ctr_inc(rate_ctr_group_get_ctr(trans->net->msc_ctrs, MSC_CTR_CALL_MT_CONNECT));
+ codec_filter_run(&trans->cc.codecs);
+ sdp_msg_to_sdp_str_buf(connect.sdp, sizeof(connect.sdp), &trans->cc.codecs.result);
return mncc_recvmsg(trans->net, trans, MNCC_SETUP_CNF, &connect);
}
@@ -1788,7 +1853,7 @@ int gsm48_tch_rtp_create(struct gsm_trans *trans)
}
return mncc_recv_rtp(net, trans, trans->callref, MNCC_RTP_CREATE, rtp_cn_local,
- codec->payload_type, mncc_payload_msg_type, NULL);
+ codec->payload_type, mncc_payload_msg_type, &trans->cc.codecs.result);
}
static int tch_rtp_connect(struct gsm_network *net, const struct gsm_mncc_rtp *rtp)
@@ -1796,7 +1861,6 @@ static int tch_rtp_connect(struct gsm_network *net, const struct gsm_mncc_rtp *r
struct gsm_trans *trans;
struct call_leg *cl;
struct rtp_stream *rtps;
- struct osmo_sockaddr_str rtp_addr;
char ipbuf[INET6_ADDRSTRLEN];
/* FIXME: in *rtp we should get the codec information of the remote
@@ -1836,12 +1900,26 @@ static int tch_rtp_connect(struct gsm_network *net, const struct gsm_mncc_rtp *r
return -EINVAL;
}
- if (osmo_sockaddr_str_from_sockaddr(&rtp_addr, &rtp->addr) < 0) {
- LOG_TRANS_CAT(trans, DMNCC, LOGL_ERROR, "RTP connect with invalid IP addr\n");
- mncc_recv_rtp_err(net, trans, rtp->callref, MNCC_RTP_CONNECT);
- return -EINVAL;
+ if (rtp->sdp[0]) {
+ sdp_msg_from_sdp_str(&trans->cc.codecs.remote, rtp->sdp);
+ LOG_TRANS(trans, LOGL_DEBUG, "%s contained SDP %s\n",
+ get_mncc_name(rtp->msg_type),
+ sdp_msg_to_str(&trans->cc.codecs.remote));
}
- rtp_stream_set_remote_addr(rtps, &rtp_addr);
+
+ rtp_stream_set_remote_addr_and_codecs(rtps, &trans->cc.codecs.remote);
+
+ if (!osmo_sockaddr_str_is_nonzero(&rtps->remote)) {
+ /* Didn't get an IP address from SDP. Try legacy MNCC IP address */
+ struct osmo_sockaddr_str rtp_addr;
+ if (osmo_sockaddr_str_from_sockaddr(&rtp_addr, &rtp->addr) < 0) {
+ LOG_TRANS_CAT(trans, DMNCC, LOGL_ERROR, "RTP connect with invalid IP addr\n");
+ mncc_recv_rtp_err(net, trans, rtp->callref, MNCC_RTP_CONNECT);
+ return -EINVAL;
+ }
+ rtp_stream_set_remote_addr(rtps, &rtp_addr);
+ }
+
rtp_stream_commit(rtps);
return 0;
}
@@ -2023,6 +2101,19 @@ static int mncc_tx_to_gsm_cc(struct gsm_network *net, const union mncc_msg *msg)
return -ENOMEM;
}
+ /* Remember remote SDP, if any */
+ if (data->sdp[0]) {
+ if (sdp_msg_from_sdp_str(&trans->cc.codecs.remote, data->sdp)) {
+ LOG_TRANS(trans, LOGL_ERROR, "Failed to parse incoming SDP: %s\n",
+ osmo_quote_str(data->sdp, -1));
+ vlr_subscr_put(vsub, __func__);
+ mncc_release_ind(net, NULL, data->callref,
+ GSM48_CAUSE_LOC_PRN_S_LU,
+ GSM48_CC_CAUSE_NORMAL_UNSPEC);
+ return -EINVAL;
+ }
+ }
+
/* If subscriber has no conn */
if (!msc_a) {
/* This condition will return before the common logging of the received MNCC message below, so
diff --git a/src/libmsc/rtp_stream.c b/src/libmsc/rtp_stream.c
index ec1d07e7b..28f4913b4 100644
--- a/src/libmsc/rtp_stream.c
+++ b/src/libmsc/rtp_stream.c
@@ -452,6 +452,13 @@ void rtp_stream_set_remote_addr(struct rtp_stream *rtps, const struct osmo_socka
rtp_stream_update_id(rtps);
}
+void rtp_stream_set_remote_addr_and_codecs(struct rtp_stream *rtps, const struct sdp_msg *sdp)
+{
+ rtp_stream_set_codecs(rtps, &sdp->audio_codecs);
+ if (osmo_sockaddr_str_is_nonzero(&sdp->rtp))
+ rtp_stream_set_remote_addr(rtps, &sdp->rtp);
+}
+
void rtp_stream_set_remote_osmux_cid(struct rtp_stream *rtps, uint8_t osmux_cid)
{
if (rtps->fi->state == RTP_STREAM_ST_ESTABLISHED)
diff --git a/tests/msc_vlr/msc_vlr_test_call.err b/tests/msc_vlr/msc_vlr_test_call.err
index 5f77207b3..1bf94e43f 100644
--- a/tests/msc_vlr/msc_vlr_test_call.err
+++ b/tests/msc_vlr/msc_vlr_test_call.err
@@ -291,6 +291,7 @@ DCC trans(CC:NULL IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_
DCC trans(CC:NULL IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ callref-0x80000001 tid-8) new state NULL -> INITIATED
DCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ callref-0x80000001 tid-8) SETUP to 123
DCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ callref-0x80000001 tid-8) codecs: RAN={AMR:octet-align=1#112,AMR-WB:octet-align=1#113} MS={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111} result=:0{AMR:octet-align=1#112}
+DCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ callref-0x80000001 tid-8) Cannot compose SDP for MNCC_SETUP_IND: no RTP set up for the CN side
DMNCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ callref-0x80000001 tid-8) tx MNCC_SETUP_IND
MSC --> MNCC: callref 0x80000001: MNCC_SETUP_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)
@@ -329,6 +330,7 @@ DIUCS msc_a(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVIC
DCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ callref-0x80000001 tid-8) codecs: RAN={AMR:octet-align=1#112,AMR-WB:octet-align=1#113} MS={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111} result=:0{AMR:octet-align=1#112}
DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ:trans-8:call-2147483649:RTP_TO_CN:no-CI){UNINITIALIZED}: no change: codecs already set to AMR:octet-align=1#112
DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ:trans-8:call-2147483649:RTP_TO_CN:no-CI){UNINITIALIZED}: Not committing: no remote RTP address known
+DCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ callref-0x80000001 tid-8) MNCC_RTP_CREATE SDP: :0{AMR:octet-align=1#112}
DMNCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ callref-0x80000001 tid-8) tx MNCC_RTP_CREATE
MSC --> MNCC: callref 0x80000001: MNCC_RTP_CREATE
- MNCC says that's fine
@@ -821,6 +823,7 @@ 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: RAN={AMR:octet-align=1#112,AMR-WB:octet-align=1#113} MS={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111} result=:0{AMR:octet-align=1#112}
DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP:trans-0:call-1059:RTP_TO_CN:no-CI){UNINITIALIZED}: setting codecs to AMR:octet-align=1#112
DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP:trans-0:call-1059:RTP_TO_CN:no-CI:local-10-23-23-1-23){UNINITIALIZED}: Not committing: no remote RTP address known
+DCC trans(CC:MO_TERM_CALL_CONF IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP callref-0x423 tid-0) MNCC_RTP_CREATE SDP: :0{AMR:octet-align=1#112}
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
MSC --> MNCC: callref 0x423: MNCC_RTP_CREATE
- Total time passed: 1.000023 s
@@ -832,6 +835,7 @@ DCC trans(CC:MO_TERM_CALL_CONF IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100
DCC trans(CC:MO_TERM_CALL_CONF IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP callref-0x423 tid-0) stopping pending timer T310
DCC trans(CC:MO_TERM_CALL_CONF IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP callref-0x423 tid-0) starting timer T301 with 180 seconds
DCC trans(CC:MO_TERM_CALL_CONF IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP callref-0x423 tid-0) new state MO_TERM_CALL_CONF -> CALL_RECEIVED
+DCC trans(CC:CALL_RECEIVED IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP callref-0x423 tid-0) codecs: RAN={AMR:octet-align=1#112,AMR-WB:octet-align=1#113} MS={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111} result=:0{AMR:octet-align=1#112}
DMNCC trans(CC:CALL_RECEIVED IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP callref-0x423 tid-0) tx MNCC_ALERT_IND
MSC --> MNCC: callref 0x423: MNCC_ALERT_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)
@@ -1295,6 +1299,7 @@ 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: RAN={AMR:octet-align=1#112,AMR-WB:octet-align=1#113} MS={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111} result=:0{AMR:octet-align=1#112}
DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP:trans-0:call-1059:RTP_TO_CN:no-CI){UNINITIALIZED}: setting codecs to AMR:octet-align=1#112
DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP:trans-0:call-1059:RTP_TO_CN:no-CI:local-10-23-23-1-23){UNINITIALIZED}: Not committing: no remote RTP address known
+DCC trans(CC:MO_TERM_CALL_CONF IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP callref-0x423 tid-0) MNCC_RTP_CREATE SDP: :0{AMR:octet-align=1#112}
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
MSC --> MNCC: callref 0x423: MNCC_RTP_CREATE
- Total time passed: 1.000023 s
@@ -1306,6 +1311,7 @@ DCC trans(CC:MO_TERM_CALL_CONF IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100
DCC trans(CC:MO_TERM_CALL_CONF IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP callref-0x423 tid-0) stopping pending timer T310
DCC trans(CC:MO_TERM_CALL_CONF IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP callref-0x423 tid-0) starting timer T301 with 180 seconds
DCC trans(CC:MO_TERM_CALL_CONF IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP callref-0x423 tid-0) new state MO_TERM_CALL_CONF -> CALL_RECEIVED
+DCC trans(CC:CALL_RECEIVED IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP callref-0x423 tid-0) codecs: RAN={AMR:octet-align=1#112,AMR-WB:octet-align=1#113} MS={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111} result=:0{AMR:octet-align=1#112}
DMNCC trans(CC:CALL_RECEIVED IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP callref-0x423 tid-0) tx MNCC_ALERT_IND
MSC --> MNCC: callref 0x423: MNCC_ALERT_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)
@@ -1670,6 +1676,7 @@ DCC trans(CC:NULL IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_
DCC trans(CC:NULL IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ callref-0x80000002 tid-8) new state NULL -> INITIATED
DCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ callref-0x80000002 tid-8) SETUP to 123
DCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ callref-0x80000002 tid-8) codecs: RAN={AMR:octet-align=1#112,AMR-WB:octet-align=1#113} MS={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111} result=:0{AMR:octet-align=1#112}
+DCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ callref-0x80000002 tid-8) Cannot compose SDP for MNCC_SETUP_IND: no RTP set up for the CN side
DMNCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ callref-0x80000002 tid-8) tx MNCC_SETUP_IND
MSC --> MNCC: callref 0x80000002: MNCC_SETUP_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)
@@ -1708,6 +1715,7 @@ DIUCS msc_a(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVIC
DCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ callref-0x80000002 tid-8) codecs: RAN={AMR:octet-align=1#112,AMR-WB:octet-align=1#113} MS={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111} result=:0{AMR:octet-align=1#112}
DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ:trans-8:call-2147483650:RTP_TO_CN:no-CI){UNINITIALIZED}: no change: codecs already set to AMR:octet-align=1#112
DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ:trans-8:call-2147483650:RTP_TO_CN:no-CI){UNINITIALIZED}: Not committing: no remote RTP address known
+DCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ callref-0x80000002 tid-8) MNCC_RTP_CREATE SDP: :0{AMR:octet-align=1#112}
DMNCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ callref-0x80000002 tid-8) tx MNCC_RTP_CREATE
MSC --> MNCC: callref 0x80000002: MNCC_RTP_CREATE
- MNCC says that's fine
@@ -2102,6 +2110,7 @@ DCC trans(CC:NULL IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_
DCC trans(CC:NULL IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ callref-0x80000003 tid-8) new state NULL -> INITIATED
DCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ callref-0x80000003 tid-8) SETUP to 123
DCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ callref-0x80000003 tid-8) codecs: RAN={AMR:octet-align=1#112,AMR-WB:octet-align=1#113} MS={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111} result=:0{AMR:octet-align=1#112}
+DCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ callref-0x80000003 tid-8) Cannot compose SDP for MNCC_SETUP_IND: no RTP set up for the CN side
DMNCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ callref-0x80000003 tid-8) tx MNCC_SETUP_IND
MSC --> MNCC: callref 0x80000003: MNCC_SETUP_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)
@@ -2140,6 +2149,7 @@ DIUCS msc_a(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVIC
DCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ callref-0x80000003 tid-8) codecs: RAN={AMR:octet-align=1#112,AMR-WB:octet-align=1#113} MS={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111} result=:0{AMR:octet-align=1#112}
DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ:trans-8:call-2147483651:RTP_TO_CN:no-CI){UNINITIALIZED}: no change: codecs already set to AMR:octet-align=1#112
DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ:trans-8:call-2147483651:RTP_TO_CN:no-CI){UNINITIALIZED}: Not committing: no remote RTP address known
+DCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ callref-0x80000003 tid-8) MNCC_RTP_CREATE SDP: :0{AMR:octet-align=1#112}
DMNCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ callref-0x80000003 tid-8) tx MNCC_RTP_CREATE
MSC --> MNCC: callref 0x80000003: MNCC_RTP_CREATE
- MNCC says that's fine