Is the firewall a system that you control and can do traces on it? Can you see rtp coming to it? Is it forwarded?
Cheers, Daniel On 06/01/16 13:40, Daniel W. Graham wrote: > Firewall is not doing sip alg, I have compared traces and they are the > same. > > Daniel W. Graham > CMSInter.net <http://cmsinter.net> LLC > 989.400.4230 > > On Jan 6, 2016, at 3:05 AM, Daniel-Constantin Mierla > <mico...@gmail.com <mailto:mico...@gmail.com>> wrote: > >> Hello, >> >> is the firewall doing SIP ALG? >> >> Can you get a SIP network trace on UA? If yes, compare it with the >> one captured on server. >> >> Cheers, >> Daniel >> >> On 06/01/16 01:50, Daniel W. Graham wrote: >>> >>> Setup is - >>> >>> >>> >>> 2 port ATA <> FIREWALL <> KAMAILIO / RTPPROXY <> ASTERISK >>> >>> >>> >>> If I have a single port in use behind the firewall, all NAT >>> functions work properly and media is relayed through rtpproxy. >>> >>> >>> >>> If I have both ports in use behind the firewall, when outbound calls >>> from UA are placed there is two way audio on both calls. However if >>> inbound calls are placed to UA, the first call works, second call >>> only has outbound audio. >>> >>> >>> >>> Different SIP URI is used for each port. >>> >>> >>> >>> If the firewall is eliminated everything works fine. >>> >>> >>> >>> Anyone have an idea how to troubleshoot or what could be missing? I >>> have done packet captures on both the UA side and Kamailio side, and >>> I see two RTP flows (rtp ports match on both sides as well) despite >>> lack of inbound audio on the second call. >>> >>> >>> >>> If I can post anything config wise that would help let me know. >>> >>> >>> >>> Thanks! >>> >>> >>> >>> -Dan >>> >>> >>> >>> >>> >>> _______________________________________________ >>> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list >>> sr-users@lists.sip-router.org >>> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users >> >> -- >> Daniel-Constantin Mierla >> http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda >> Book: SIP Routing With Kamailio - http://www.asipto.com >> http://miconda.eu >> _______________________________________________ >> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list >> sr-users@lists.sip-router.org <mailto:sr-users@lists.sip-router.org> >> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users -- Daniel-Constantin Mierla http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda Book: SIP Routing With Kamailio - http://www.asipto.com http://miconda.eu
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