Benny Prijono schrieb: > On 3/21/08, Klaus Darilion <klaus.mailinglists at pernau.at> wrote: >> > Yep that's intentional. STUN, as it stands for, applies only to UDP >> > transports. For TCP/TLS transport, the only way to get around NAT is >> > to use SIP outbound draft, which I plan to implement in the next few >> > weeks. >> >> There is also another approach (e.g. which is used by eyebeam/xlite). It >> sends a REGISTER with private IPs. In the response it evaluates the Via >> header and gets the public Ip:port from received and rport parameter. >> Then it deREGISTERs the public contact and reREGISTERs using the learnt >> IP address:port. > > Nice! Yes. It's somehow funny, because there is more or less endless outbound discussion in the IETF but in fact with a smart SIP client it works since long time (at least with eyebeam and openser). regards klaus
