Hi list,<br><br>I'm trying to configure kamailio to work as a OBP (Outbound Proxy).<br><br>Basically KAMAILIO receive requests from UAs, after that it acts like a client and send those requests to the IP-PBX. <br>On the same way the responses are forwarded from IP-PBX to the UAs.<br>
<br><br>[UA] --> [KAMAILIO] --> [IP-PBX ]<br>[UA] <-- [KAMAILIO] <-- [IP-PBX ]<br><br>Following possible call flow:<br><br>[UA ] -> [KAMAILIO] SIP/SDP Request: INVITE sip:12345678909@[KAMAILIO], with session description<br>
[KAMAILIO] -> [UA ] SIP Status: 100 Trying<br>[KAMAILIO] -> [IP-PBX ] SIP/SDP Request: INVITE sip:12345678909@[IP-PBX ], with session description<br>[IP-PBX ] -> [KAMAILIO] SIP Status: 100 Trying<br>[IP-PBX ] -> [KAMAILIO] SIP Status: 407 Proxy Authentication Required<br>
[KAMAILIO] -> [IP-PBX ] SIP Request: ACK sip:12345678909@[IP-PBX ]<br>[KAMAILIO] -> [UA ] SIP Status: 407 Proxy Authentication Required<br>[UA ] -> [KAMAILIO] SIP Request: ACK sip:12345678909@[KAMAILIO]<br>
[UA ] -> [KAMAILIO] SIP/SDP Request: INVITE sip:12345678909@[KAMAILIO], with session description<br>[KAMAILIO] -> [UA ] SIP Status: 100 Trying<br>[KAMAILIO] -> [IP-PBX ] SIP/SDP Request: INVITE sip:12345678909@[IP-PBX ], with session description<br>
[IP-PBX ] -> [KAMAILIO] SIP Status: 100 Trying<br>[IP-PBX ] -> [KAMAILIO] SIP/SDP Status: 183 Session Progress, with session description<br>[KAMAILIO] -> [UA ] SIP/SDP Status: 183 Session Progress, with session description<br>
[IP-PBX ] -> [KAMAILIO] SIP/SDP Status: 180 Ringing, with session description<br>[KAMAILIO] -> [UA ] SIP/SDP Status: 180 Ringing, with session description<br>(...)<br>[UA ] -> [KAMAILIO] SIP Request: CANCEL sip:12345678909@[KAMAILIO]<br>
[KAMAILIO] -> [UA ] SIP Status: 200 OK<br>[KAMAILIO] -> [IP-PBX ] SIP Request: CANCEL sip:12345678909@[IP-PBX ]<br>[IP-PBX ] -> [KAMAILIO] SIP Status: 200 OK<br>[IP-PBX ] -> [KAMAILIO] SIP Status: 487 Request Terminated<br>
[KAMAILIO] -> [IP-PBX ] SIP Request: ACK sip:12345678909@[IP-PBX ]<br>[KAMAILIO] -> [UA ] SIP Status: 487 Request Terminated<br>[UA ] -> [KAMAILIO] SIP Request: ACK sip:12345678909@[KAMAILIO]<br><br>Wondering if anyone could help to make this configuration work?<br>
<br>Thanks,<br>Sunny<br>