On 3/25/2013 9:46 AM, Olle E. Johansson wrote: > > 25 mar 2013 kl. 09:23 skrev Miguel Baptista > <miguel.bapti...@uninett.no <mailto:miguel.bapti...@uninett.no>>: > >> Hello, >> >> I have been doing some tests with kamailio and IPv6. >> >> My initial setup was IPv6 only and now am I extending it to a >> dual-stack environment. Well, and now I am starting to face some >> (interesting) challenges. >> >> So, the first step in the dual-stack environment was to install RTP >> Proxy and configured kamailio to use it. With this setup, the UAs >> locally registered were able to communicate with each-other no matter >> with address family (IPv4/IPv6) they were using. So far so good. >> >> But now I want to extend my tests a bit more ... I want to >> communicate with the "outside world" (using ENUM and domain based SIP >> URIs). Do I have a way to know if the "destination" is IPv4 or IPv6? >> Because I need that information in order to properly bridge the calls >> on rtpproxy. >> >> I tried to use the onsend_route but it didn't work. I mean, I am able >> to know if the "next-hop" is IPv6 or IPv4 but it seems that it is >> "too late" to use rtpproxy. BTW ... I am assuming that if the >> "next-hop" is IPv6 then the final user agent will also be IPv6 (the >> same for IPv4) >> >> Should I use some other approach? For example, failure route instead? >> Does anyone have a similiar setup? How are you solving this issue? > > The only way you can get an indication of the other end is to check > their SRV records, but that doesn't say anything about the devices and > their media capability. The best way moving forward is to support ICE > for exactly this case. > > The RFC for SIP IPv6 migration says that it's the IPv6 supporting > device's responsibility to send an offer with dual stack support, so > your callers need to make sure you have both IPv4 and IPv6 addresses > in the ICE candidates in the SDP offer. > > As I'm currently hacking SNMP, can you please check if there are any > issues with IPv6 in the SNMPstats module? > > /O > Thanks for your feedback Olle. > _______________________________________________ > 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
_______________________________________________ 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