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
Neels Hofmeyr 11 months ago
parent 4ed6e23944
commit ed4cf6c0c9
  1. 1
      include/osmocom/msc/rtp_stream.h
  2. 105
      src/libmsc/gsm_04_08_cc.c
  3. 7
      src/libmsc/rtp_stream.c
  4. 10
      tests/msc_vlr/msc_vlr_test_call.err

@ -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);

@ -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

@ -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)

@ -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

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