ASCI: Receive messages from MSC-A role related to VGCS/VBS
Voice group call and voice broadcast call messages as well as assignment
result are forwarded to VGCS/VBS call control.
Change-Id: Ie68eedb8fcb064a55cd71b58630d7a8c8b5f29ad
Related: OS#4854
diff --git a/src/libmsc/msc_a.c b/src/libmsc/msc_a.c
index 9f2420e..0d8a747 100644
--- a/src/libmsc/msc_a.c
+++ b/src/libmsc/msc_a.c
@@ -1386,6 +1386,10 @@
#endif
switch (pdisc) {
+ case GSM48_PDISC_GROUP_CC:
+ case GSM48_PDISC_BCAST_CC:
+ rc = gsm44068_rcv_bcc_gcc(msc_a, NULL, msg);
+ break;
case GSM48_PDISC_CC:
rc = gsm0408_rcv_cc(msc_a, msg);
break;
@@ -1422,11 +1426,23 @@
static void msc_a_up_call_assignment_complete(struct msc_a *msc_a, const struct ran_msg *ac)
{
- struct gsm_trans *cc_trans = msc_a->cc.active_trans;
+ struct gsm_trans *cc_trans = msc_a->cc.active_trans, *gcc_trans;
struct rtp_stream *rtps_to_ran = msc_a->cc.call_leg ? msc_a->cc.call_leg->rtp[RTP_TO_RAN] : NULL;
const struct gsm0808_speech_codec *codec_if_known = ac->assignment_complete.codec_present ?
&ac->assignment_complete.codec : NULL;
+ /* For a voice group call, handling is performed by VGCS FSM */
+ gcc_trans = trans_find_by_type(msc_a, TRANS_GCC);
+ if (gcc_trans) {
+ vgcs_vbs_caller_assign_cpl(gcc_trans);
+ return;
+ }
+ gcc_trans = trans_find_by_type(msc_a, TRANS_BCC);
+ if (gcc_trans) {
+ vgcs_vbs_caller_assign_cpl(gcc_trans);
+ return;
+ }
+
if (!rtps_to_ran) {
LOG_MSC_A(msc_a, LOGL_ERROR, "Rx Assignment Complete, but no RTP stream is set up\n");
return;
@@ -1513,6 +1529,18 @@
return;
}
+ /* For a voice group call, release is performed by VGCS FSM */
+ trans = trans_find_by_type(msc_a, TRANS_GCC);
+ if (trans) {
+ vgcs_vbs_caller_assign_fail(trans);
+ return;
+ }
+ trans = trans_find_by_type(msc_a, TRANS_BCC);
+ if (trans) {
+ vgcs_vbs_caller_assign_fail(trans);
+ return;
+ }
+
/* Otherwise, a silent call might be active */
trans = trans_find_by_type(msc_a, TRANS_SILENT_CALL);
if (trans) {