hi all, In my proxy i add some rediect response, at some secnario my proxy will response psjsip UAC with 302 , but in my app (do with C/C++ interface pjsip2.4) , i can't got 302 code in "onCallState(OnCallStateParam &prm)" function? but got a lastecode with 487, is this correct ? secnario signal like below : NVITE sip:93100 at 192.168.17.151:5060 SIP/2.0 Via: SIP/2.0/TCP 192.168.23.138:45345;rport;branch=z9hG4bKPj330b4579d50b4eafb04d0b939f50fc96;alias Max-Forwards: 70 From: "88138" <sip:88138@192.168.17.151>;tag=c296544d743148049958f94259f4e776 To: <sip:93100 at 192.168.17.151> Contact: "88138" <sip:88138 at 192.168.23.138:45341;transport=TCP;ob>;+sip.ice Call-ID: 78b9a989cedc4900b3a6edc9db71c893 CSeq: 16981 INVITE Route: <sip:192.168.17.151:5060;transport=tcp;lr> Allow: PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, INFO, SUBSCRIBE, NOTIFY, REFER, MESSAGE, OPTIONS Supported: replaces, 100rel, timer, norefersub Session-Expires: 1800 Min-SE: 90 Content-Type: application/sdp Content-Length: 705 SDP ---PART *** SIP/2.0 302 Moved Temporarily Via: SIP/2.0/TCP 192.168.23.138:45345;rport;branch=z9hG4bKPj330b4579d50b4eafb04d0b939f50fc96;alias From: "88138" <sip:88138@192.168.17.151>;tag=c296544d743148049958f94259f4e776 To: <sip:93100 at 192.168.17.151>;tag=1445592985 Call-ID: 78b9a989cedc4900b3a6edc9db71c893 CSeq: 16981 INVITE Contact: <sip:3100 at 172.16.200.24:5060> User-Agent: osip/2.2.0 Proxy-Authenticate: Digest rea1m="focuschina.com",nonce="6",stale="FALSE",algorithm="md5" Content-Length: 0 09:15:55.948 pjsua_core.c TX 420 bytes Request msg ACK/cseq=16981 (tdta0765D198) to TCP 192.168.17.151:5060: ACK sip:93100 at 192.168.17.151:5060 SIP/2.0 Via: SIP/2.0/TCP 192.168.23.138:45345;rport;branch=z9hG4bKPj330b4579d50b4eafb04d0b939f50fc96;alias Max-Forwards: 70 From: "88138" <sip:88138@192.168.17.151>;tag=c296544d743148049958f94259f4e776 To: <sip:93100 at 192.168.17.151>;tag=1445592985 Call-ID: 78b9a989cedc4900b3a6edc9db71c893 CSeq: 16981 ACK Route: <sip:192.168.17.151:5060;transport=tcp;lr> Content-Length: 0 Best regards. -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.pjsip.org/pipermail/pjsip_lists.pjsip.org/attachments/20150416/23ce2748/attachment.html>