Hello, Kamailio can help with NAT traversal -- there are couple of options, one of the most common deployments is using nathelper and rtpengine (or rtpproxy).
A similar solution is provided in the default kamailio.cfg, just look at WITH_NAT ifdefs to figure out the related parts: - https://github.com/kamailio/kamailio/blob/master/etc/kamailio.cfg Cheers, Daniel On 07.05.18 12:22, Pinter, Gerd. wrote: > Hi there, > > unfortunately I am personally not a complete IT geek, I am more in to Pro > Audio. Anyway, I have to maintain a SIP Server for high quality Audio > transmission with special UA's. > Also we use Software UA's running as Apps (Luci Live) on mobile devices such > as I Phones and I pads which are by nature situated in mobile networks. Due > to "lack of IP address issues" most providers use private ranges separated by > CGNAT from the real Internet. This causes a lot of trouble. In some cases > stun server entries on the clients helps, in other cases don't! > But these days I read in announcement of a german company (Mayah > Communications), which is in the ProAudio biz since decades, that they offer > a SIP Service where no stun is recommended whether the clients are behind NAT > or not. > After I acknowledged that IT business is not witchcraft (almost :-) ) , I > thought that there might exist a solution for my Kamailio SIP server to make > it work like the "Mayah" Sip Server. > > What settings have to be done that Kamailio uses IP Header Information for > SIP signalling instead of the content of SIP packages themselves. Without > stun you find the Local Address in the SIP packages, and with Stun the > external Address but mostly with the wrong portnumber, but in the IP header > you'll find the correct IP:port. > I already read a lot of the Kamailio documentation but due to the fact that I > am not too deep in IT I am not sure if I got it all. If someone could give me > a useful hint on that, that would make my day. > Hope this description is unterstandable. > > Nice Regards > > Gerhard Pinter > > > > > _______________________________________________ > Kamailio (SER) - Users Mailing List > [email protected] > https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users -- Daniel-Constantin Mierla www.twitter.com/miconda -- www.linkedin.com/in/miconda Kamailio World Conference - May 14-16, 2018 - www.kamailioworld.com _______________________________________________ Kamailio (SER) - Users Mailing List [email protected] https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
