diff options
Diffstat (limited to 'src/libmsc/msc_mgcp.c')
| -rw-r--r-- | src/libmsc/msc_mgcp.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/src/libmsc/msc_mgcp.c b/src/libmsc/msc_mgcp.c index 23e68e7b4..5a8ee7960 100644 --- a/src/libmsc/msc_mgcp.c +++ b/src/libmsc/msc_mgcp.c @@ -951,6 +951,22 @@ static struct osmo_fsm fsm_msc_mgcp = { .event_names = msc_mgcp_fsm_evt_names, }; +/* Try to invoke call assignment and set trans->assignment_done flag if invoked. + * This is relevant for already ongoing calls -- scenario: + * - subscriber is in an active voice call, + * - another call is coming in. + * For the second call coming in, we must wait to establish RTP and assignment until the first call is CC-Disconnected. + */ +int msc_mgcp_try_call_assignment(struct gsm_trans *trans) +{ + struct ran_conn *conn = trans->conn; + if (trans->assignment_done) + return 0; + LOGPFSMSL(conn->fi, DMGCP, LOGL_INFO, "Starting call assignment\n"); + trans->assignment_done = true; + return msc_mgcp_call_assignment(trans); +} + /* Notify that a new call begins. This will create a connection for the * RAN and the CN on the MGW. * Parameter: |