hi stun server was return IP:port pair: 2013-01-11 15:15:55.849[14416:7f0b] ========> 15:15:55.849 stunresolve !.STUN mapped address found/changed: 91.224.223.42:50282 but INVITE SDP don't modified correct port in m=audio, just IP in c=IN record. How it can solved? v=0 o=- 3566898991 3566898991 IN IP4 91.224.223.42 s=pjmedia c=IN IP4 91.224.223.42 b=AS:84 t=0 0 a=X-nat:6 m=audio 40000 RTP/AVP 3 8 18 108 104 0 96 c=IN IP4 91.224.223.42 b=TIAS:64000 a=rtcp:40001 IN IP4 91.224.223.42 a=sendrecv a=rtpmap:3 GSM/8000 a=rtpmap:8 PCMA/8000 a=rtpmap:18 G729/8000 a=rtpmap:108 iLBC/8000 a=fmtp:108 mode=30 a=rtpmap:104 SILK/8000 a=fmtp:104 useinbandfec=0 a=rtpmap:0 PCMU/8000 a=rtpmap:96 telephone-event/8000 a=fmtp:96 0-15 -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.pjsip.org/pipermail/pjsip_lists.pjsip.org/attachments/20130111/d5430ac9/attachment-0001.html>