I use a separate IP address to accept calls from such SIP clients and do not check for NAT on those calls.
On Wednesday 22 June 2011, Klaus Darilion wrote: > So what do you use as nat_check? Only the received IP address? > > regards > Klaus > > Am 22.06.2011 15:36, schrieb Sergey Okhapkin: > > A lot of Cisco (not linksys) SIP equipment is asymmetric. > > > > On Wednesday 22 June 2011, Klaus Darilion wrote: > >> Hi! > >> > >> Just a small survey: Are you still using NAT detection checks? I prefer > >> to apply NAT traversal always (never trust the contact header) which of > >> course only works if all the clients are symmetric. > >> > >> Thus - do you still see asymmetric SIP clients? > >> > >> Thanks > >> Klaus > >> > >> _______________________________________________ > >> 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 > > _______________________________________________ > 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
