From 390c9e19895b3fea98c455e468e897786d342aab Mon Sep 17 00:00:00 2001 From: Neels Hofmeyr Date: Thu, 22 Sep 2016 20:28:35 +0200 Subject: bridge calls via mgcpgw Change-Id: Ie259e30bc532fe9817c96562022ac33443d5747a --- openbsc/src/libmsc/msc_ifaces.c | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) (limited to 'openbsc/src/libmsc/msc_ifaces.c') diff --git a/openbsc/src/libmsc/msc_ifaces.c b/openbsc/src/libmsc/msc_ifaces.c index fd6f43c8f..0245dce46 100644 --- a/openbsc/src/libmsc/msc_ifaces.c +++ b/openbsc/src/libmsc/msc_ifaces.c @@ -186,3 +186,32 @@ int msc_call_assignment(struct gsm_trans *trans) return -EINVAL; } } + +int msc_call_bridge(struct gsm_trans *trans1, struct gsm_trans *trans2) +{ + struct gsm_subscriber_connection *conn1 = trans1->conn; + struct gsm_subscriber_connection *conn2 = trans2->conn; + + struct mgcpgw_client *mgcp = conn1->network->mgcpgw.client; + OSMO_ASSERT(mgcp); + + const char *ip = mgcpgw_client_remote_addr_str(mgcp); + + /* First setup the counterparts' endpoints, so that when transmission + * starts the originating addresses are already known to be valid. */ + mgcpgw_client_tx_mdcx(mgcp, conn1->iu.mgcp_rtp_endpoint, + ip, conn2->iu.mgcp_rtp_port_cn, + MGCP_CONN_LOOPBACK); + mgcpgw_client_tx_mdcx(mgcp, conn2->iu.mgcp_rtp_endpoint, + ip, conn1->iu.mgcp_rtp_port_cn, + MGCP_CONN_LOOPBACK); + /* Now enable sending to and receiving from the peer. */ + mgcpgw_client_tx_mdcx(mgcp, conn1->iu.mgcp_rtp_endpoint, + ip, conn2->iu.mgcp_rtp_port_cn, + MGCP_CONN_RECV_SEND); + mgcpgw_client_tx_mdcx(mgcp, conn2->iu.mgcp_rtp_endpoint, + ip, conn1->iu.mgcp_rtp_port_cn, + MGCP_CONN_RECV_SEND); + + return 0; +} -- cgit v1.2.3