Hello, maybe the new phones do STUN and or the ALG breaks somehow the signaling. You should send the ngrep output taken on sip server for such a call in order to be able to analyze what can happen:
ngrep -d any -qt -W byline port 5060 Cheers, Daniel On 17/03/2017 06:32, b...@wtf.com.au wrote: > Hi guys, > > we have a bunch of SIP phones behind a fire wall, with our kamalio > server out on the internet. Most of them are the older SPA92x series, > but we have some new SPA502g's. > > We have no problems calling between 92x and 502's. How ever the 502's > calling each other do not get voice path. > > I have noticed that the phones REGISTER differently: > > AOR:: 5546@<our domain> > Contact:: sip:5546@<OUR OFFICE IP>:1032 Q= > Expires:: 180 > Callid:: 4754c4f9-c67e1018@10.0.41.29 > Cseq:: 43112 > User-agent:: Cisco/SPA502G-7.6.2a > State:: CS_DIRTY > Flags:: 0 > Cflag:: 0 > Socket:: udp:<OUR SR IP>:5060 > Methods:: 6815 > > > AOR:: 5...@sip.skunkworks.net.au > Contact:: sip:5590@10.0.41.14:5060 Q= > Expires:: 1154 > Callid:: 24435738-224b06db@10.0.41.14 > Cseq:: 8012 > User-agent:: Linksys/SPA921-5.1.8 > Received:: sip:<OUR OFFICE IP>:1026 > State:: CS_SYNC > Flags:: 0 > Cflag:: 64 > Socket:: udp:<OUR SR IP>:5060 > Methods:: 4767 > > The older 921 has its private IP in the contact, where as the newer > 502 has the external IP of our office in the contact. > > Our file wall is a Watchguard T-10 (latest updates etc) with the > SIP-ALG running. > > Any thoughts on where to start looking ? > > Cheers, > > Ben. > > _______________________________________________ > 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 www.twitter.com/miconda -- www.linkedin.com/in/miconda Kamailio Advanced Training - Mar 6-8 (Europe) and Mar 20-22 (USA) - www.asipto.com Kamailio World Conference - May 8-10, 2017 - www.kamailioworld.com _______________________________________________ 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
