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-rw-r--r--openbsc/src/libmsc/gsm_04_08.c9
-rw-r--r--openbsc/src/libmsc/mncc_builtin.c9
2 files changed, 12 insertions, 6 deletions
diff --git a/openbsc/src/libmsc/gsm_04_08.c b/openbsc/src/libmsc/gsm_04_08.c
index 4cfba1c1f..7db758666 100644
--- a/openbsc/src/libmsc/gsm_04_08.c
+++ b/openbsc/src/libmsc/gsm_04_08.c
@@ -52,6 +52,7 @@
#include <openbsc/bsc_api.h>
#include <openbsc/osmo_msc.h>
#include <openbsc/handover.h>
+#include <openbsc/mncc_int.h>
#include <osmocom/abis/e1_input.h>
#include <osmocom/core/bitvec.h>
@@ -3033,13 +3034,13 @@ static int tch_rtp_create(struct gsm_network *net, uint32_t callref)
/*
* *sigh* we need to pick a codec now. Pick the most generic one
* right now and hope we could fix that later on. This is very
- * similiar to the above routine.
- * TODO: Use the default codec version...
+ * similiar to the routine above.
+ * Fallback to the internal MNCC mode to select a route.
*/
if (lchan->tch_mode == GSM48_CMODE_SIGN) {
trans->conn->mncc_rtp_create_pending = 1;
- /* TODO... transport or fix the default type... */
- return gsm0808_assign_req(trans->conn, GSM48_CMODE_SPEECH_V1,
+ return gsm0808_assign_req(trans->conn,
+ mncc_codec_for_mode(lchan->type),
lchan->type != GSM_LCHAN_TCH_H);
}
diff --git a/openbsc/src/libmsc/mncc_builtin.c b/openbsc/src/libmsc/mncc_builtin.c
index 5c3461bea..7d5a7f163 100644
--- a/openbsc/src/libmsc/mncc_builtin.c
+++ b/openbsc/src/libmsc/mncc_builtin.c
@@ -65,16 +65,21 @@ static struct gsm_call *get_call_ref(uint32_t callref)
return NULL;
}
-static uint8_t determine_lchan_mode(struct gsm_mncc *setup)
+uint8_t mncc_codec_for_mode(int lchan_type)
{
/* FIXME: check codec capabilities of the phone */
- if (setup->lchan_type != GSM_LCHAN_TCH_H)
+ if (lchan_type != GSM_LCHAN_TCH_H)
return mncc_int.def_codec[0];
else
return mncc_int.def_codec[1];
}
+static uint8_t determine_lchan_mode(struct gsm_mncc *setup)
+{
+ return mncc_codec_for_mode(setup->lchan_type);
+}
+
/* on incoming call, look up database and send setup to remote subscr. */
static int mncc_setup_ind(struct gsm_call *call, int msg_type,
struct gsm_mncc *setup)