Re: [SR-Users] Audio issue when using 2 port ATA

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 &lt;miconda(a)gmail.com <mailto:miconda@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(a)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(a)lists.sip-router.org <mailto:sr-users@lists.sip-router.org> > http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users