diff options
Diffstat (limited to 'openbsc/src/libmsc/msc_ifaces.c')
| -rw-r--r-- | openbsc/src/libmsc/msc_ifaces.c | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/openbsc/src/libmsc/msc_ifaces.c b/openbsc/src/libmsc/msc_ifaces.c index 021885ec4..27f644e5f 100644 --- a/openbsc/src/libmsc/msc_ifaces.c +++ b/openbsc/src/libmsc/msc_ifaces.c @@ -204,6 +204,12 @@ static void mgcp_response_rab_act_cs_crcx(struct mgcp_response *r, void *priv) } else goto rab_act_cs_error; + /* Respond back to MNCC (if requested) */ + if (trans->tch_rtp_create) { + if (gsm48_tch_rtp_create(trans)) + goto rab_act_cs_error; + } + rab_act_cs_error: /* FIXME abort call, invalidate conn, ... */ return; @@ -361,6 +367,51 @@ static void mgcp_response_bridge_mdcx(struct mgcp_response *r, void *priv) } } +int msc_call_connect(struct gsm_trans *trans, uint16_t port, uint32_t ip) +{ + /* With this function we inform the MGCP-GW where (ip/port) it + * has to send its outgoing voic traffic. The receiving end will + * usually be a PBX (e.g. Asterisk). The IP-Address we tell, will + * not only be used to direct the traffic, it will also be used + * as a filter to make sure only RTP packets from the right + * remote end will reach the BSS. This is also the reason why + * inbound audio will not work until this step is performed */ + + /* NOTE: This function is used when msc_call_bridge(), is not + * applicable. This is usually the case when an external MNCC + * is in use */ + + struct gsm_subscriber_connection *conn; + struct mgcpgw_client *mgcp; + struct msgb *msg; + + if (!trans) + return -EINVAL; + if (!trans->conn) + return -EINVAL; + if (!trans->conn->network) + return -EINVAL; + if (!trans->conn->network->mgcpgw.client) + return -EINVAL; + + mgcp = trans->conn->network->mgcpgw.client; + + struct in_addr ip_addr; + ip_addr.s_addr = ntohl(ip); + + conn = trans->conn; + + msg = mgcp_msg_mdcx(mgcp, + conn->iu.mgcp_rtp_endpoint, + inet_ntoa(ip_addr), port, MGCP_CONN_RECV_SEND); + if (mgcpgw_client_tx(mgcp, msg, NULL, trans)) + LOGP(DMGCP, LOGL_ERROR, + "Failed to send MDCX message for %s\n", + vlr_subscr_name(trans->vsub)); + + return 0; +} + int msc_call_bridge(struct gsm_trans *trans1, struct gsm_trans *trans2) { if (!trans1) |