Hi All, I am using PjSIP 1.0.3 version for iPhone, Following are the out come while making call , 15:22:36.645 sip_transport. Error processing 1122 bytes packet from UDP 119.73.237.231:5080 <http://119.73.237.231:5080/> : *PJSIP syntax error exception when parsing '' header on line 8 col 18:* 1. INVITE sip:1000 at 59.92.168.187:1024;transport=UDP SIP/2.0 2. Record-Route: <sip:119.73.237.231:5080;lr=on;ftag=c6137f09;nat=yes;vsf=AAAAAHFDWEBuHggIVhkEFFYaABgubmV0;did=75a.3c606625> 3. Via: SIP/2.0/UDP 119.73.237.231:5080;branch=z9hG4bKb8a5.27e9768.0 4. Via: SIP/2.0/UDP 192.168.1.7:15176;received=59.92.168.187;branch=z9hG4bK-d8754z-a7d4d205217d4523-1---d8754z-;rport=15176 5. Max-Forwards: 69 6. Contact: <sip:1010 at 59.92.168.187:15176 <http://sip:1010 at 59.92.168.187:15176/>> 7. To: "1000"<sip:1000 at sip.maxxtel.net <mailto:sip%3A1000 at sip.maxxtel.net>> 8. From:* "1010"<sip:@sip.maxxtel.net <mailto:sip%3A at sip.maxxtel.net>>*;tag=c6137f09 9. Call-ID: YzQ1OWJiOTk0ZmFhMTI2ZDFkNWRmMDFiNTQwYjZmOGI. 10. CSeq: 2 INVITE 11. Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY, MESSAGE, SUBSCRIBE, INFO 12. Content-Type: application/sdp 13. User-Agent: X-Lite release 1014k stamp 47051 14. Content-Length: 255 15. P-hint: setflag7|forcerport|fix_contact 16. P-hint: inbound->inbound 17. P-hint: Route[6]: RTP proxy v=0 o=- 3 2 IN IP4 192.168.1.7 s=CounterPath X-Lite 3.0 c=IN IP4 119.73.237.229 t=0 0 m=audio 36178 RTP/AVP 0 8 3 101 a=fmtp:101 0-15 a=rtpmap:101 telephone-event/8000 a=alt:1 1 : 6pGfJxrd hHmtiVYf 192.168.1.7 41646 a=sendrecv a=nortpproxy:yes -- Thanks, Srivatsan.D, -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.pjsip.org/pipermail/pjsip_lists.pjsip.org/attachments/20091117/9715bf7c/attachment.html>