diff options
Diffstat (limited to 'openbsc/src/libmsc/msc_ifaces.c')
| -rw-r--r-- | openbsc/src/libmsc/msc_ifaces.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/openbsc/src/libmsc/msc_ifaces.c b/openbsc/src/libmsc/msc_ifaces.c index 43959c13f..5d019cf40 100644 --- a/openbsc/src/libmsc/msc_ifaces.c +++ b/openbsc/src/libmsc/msc_ifaces.c @@ -194,6 +194,7 @@ static int conn_iu_rab_act_cs(struct gsm_trans *trans) struct gsm_subscriber_connection *conn = trans->conn; struct mgcpgw_client *mgcp = conn->network->mgcpgw.client; struct msgb *msg; + struct msgb *msg_dlcx; /* HACK. where to scope the RAB Id? At the conn / subscriber / * ue_conn_ctx? */ @@ -206,6 +207,16 @@ static int conn_iu_rab_act_cs(struct gsm_trans *trans) * and config. */ conn->iu.mgcp_rtp_port_ue = 4000 + 2 * conn->iu.mgcp_rtp_endpoint; + /* Since we know now the endpoint number, we enforce a DLCX on tha + * endpoint in order to ensure that this endpoint is not occupied + * with some old connection that was not properly cleared during + * some crash or restart event */ + msg_dlcx = mgcp_msg_dlcx(mgcp, conn->iu.mgcp_rtp_endpoint); + if (mgcpgw_client_tx(mgcp, msg_dlcx, NULL, NULL)) + LOGP(DMGCP, LOGL_ERROR, + "Failed to send DLCX message for %s\n", + vlr_subscr_name(trans->vsub)); + /* Establish the RTP stream first as looping back to the originator. * The MDCX will patch through to the counterpart. TODO: play a ring * tone instead. */ |