Hello, the unresolvable destination should be triggered when the dns server failed to resolve the hostname in r-uri and in this case it's clear it's an invalid one being a contact for webrtc. You are not handling correctly the devices connected over websocket, you have to deal with them as with devices behind the nat, so you add a contact alias and handle the parameter in r-uri for requests within dialog -- look at default kamailio.cfg how the nat traversal part is done.
Cheers, Daniel On 18/10/16 22:40, Serhat Guler wrote: > Dear all, > > I am trying to make a call between 2 webrtc clients(sipml5) using my > kamailio IMS setup. The invite request fails at the terminating PCSCF > with error code "Status: 478 Unresolvable destination (478/TM)". I > have traced the packages and saw that the package that arrives at the > terminating PCSCF has an unresolvable request URI due to the websocket > connection. > > The package being sent from terminating ICSCF to SCSCF has the > "Request-URI: sip:b...@net1.test" > The package from terminating SCSCF to terminating PCSCF has the > "Request-URI: > sip:bob@df7jal23ls0d.invalid;rtcweb-breaker=yes;transport=ws" > > I guess the terminating SCSCF replaces the request URI with the one it > stored during the registration process, but the terminating PCSCF > cannot resolve the host name&port number; therefore, it reports back > "Unresolvable destination". Is that really the case happening in here > ? How can I get over this problem ? Any ideas are welcome. > > Cheers, > Serhat > > > _______________________________________________ > 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 Kamailio Advanced Training, Berlin, Nov 28-30, 2016 - http://www.asipto.com
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