<html><head><style type='text/css'>p { margin: 0; }</style><style type='text/css'>body { font-family: 'Times New Roman'; font-size: 12pt; color: #000000}</style></head><body>Hi Bogdan, <br><br>The opensips server is running in a 220.225.134.9 public IP. All UACs are in the 220.225.134.x series. The SIP Trace is as given below, <br><br><br>|Time | 220.225.134.9 | <br>| | | 10.100.4.64 | <br>|11.678 | INVITE SDP (AMRRTPType-114) |SIP From: <sip:1016@ 220.225.134.9 To:<sip:1012@ 220.225.134.9 <br>| |(5060) ------------------> (5060) | <br>|12.182 | INVITE SDP (AMRRTPType-114) |SIP From: <sip:1016@ 220.225.134.9 To:<sip:1012@ 220.225.134.9 <br>| |(5060) ------------------> (5060) | <br>|12.899 | 100 Trying| |SIP Status <br>| |(5060) <------------------ (5060) | <br>|13.209 | 180 Ringing |SIP Status <br>| |(5060) <------------------ (5060) | <br>|21.007 | 200 OK SDP (AMRRTPType-114) |SIP Status <br>| |(5060) <------------------ (5060) | <br>|21.126 | ACK | |SIP Request <br>| |(5060) ------------------> (5060) | <br>|21.579 | 200 OK SDP (AMRRTPType-114) |SIP Status <br>| |(5060) <------------------ (5060) | <br>|22.186 | 500 Server Internal Error |SIP Status <br>| |(5060) <------------------ (5060) | <br><br><br>And the ngrep capture was as I had put in my previous mail. <br><br>Thanks, <br>Arjun <br><br>----- Original Message ----- <br>From: "Bogdan-Andrei Iancu" <bogdan@opensips.org> <br>To: "Arjun Shankar K S" <arjun_ks@kalycito.com> <br>Cc: "OpenSIPS users mailling list" <users@lists.opensips.org> <br>Sent: Friday, July 13, 2012 6:40:34 PM GMT +05:30 Chennai, Kolkata, Mumbai, New Delhi <br>Subject: Re: [OpenSIPS-Users] 500 Server Internal Error <br><br>Arjun, <br><br>That is really foobar.....What device is 220.225.134.2:13120 and why is it generating a reply for an ACK request !?!?! ACK HAVE NOT replies at all :) <br><br>Regards, <br>Bogdan-Andrei Iancu<br>OpenSIPS Founder and Developer http://www.opensips-solutions.com <br>On 07/13/2012 01:52 PM, Arjun Shankar K S wrote: <br><br>Hi Bogdan, <br><br>Please find below the ngrep capture at the SIP server side, <br><br>################################################################################################################################################################################################################################################################################## <br>U(17) 220.225.134.2:13120 -> 220.225.134.9:5060 <br>SIP/2.0 200 OK..Record-Route: <sip:220.225.134.9;lr=on> ..Call-Id: 58f64298f3186a42b96a608659fd434d@220.225.134.9..CSeq: 1 INVITE..To: <sip:1005@220.225.134.9> ;tag <br>=4IHoLZ2ha..Via: SIP/2.0/UDP 220.225.134.9:5060;branch=z9hG4bKec6a.856da06.0,SIP/2.0/UDP 220.225.134.9:5060;received=203.199.234.3;rport=41792;branch=z9hG4bKd8feb <br>fe85d601ca1b48d8bd8e6a10ba6..From: <sip:1012@220.225.134.9> ;tag=LXMkFpqUA..Contact: <sip:220.225.134.9:5060> ..Content-Type: application/sdp..Content-Length: 197.. <br>..v=0..o=blackberry 1342175741968 1342175741968 IN IP4 220.225.134.2..s=Phone call..c=IN IP4 220.225.134.2..t=0 0..t=0 0..m=audio 7078 RTP/AVP 114..a=rtpmap:114 A <br>MR/8000/1..a=fmtp:114 octet-align=1.. <br># <br>U(17) 220.225.134.9:5060 -> 203.199.234.3:41792 <br>SIP/2.0 200 OK..Record-Route: <sip:220.225.134.9;lr=on> ..Call-Id: 58f64298f3186a42b96a608659fd434d@220.225.134.9..CSeq: 1 INVITE..To: <sip:1005@220.225.134.9> ;tag <br>=4IHoLZ2ha..Via: SIP/2.0/UDP 220.225.134.9:5060;received=203.199.234.3;rport=41792;branch=z9hG4bKd8febfe85d601ca1b48d8bd8e6a10ba6..From: <sip:1012@220.225.134.9> ; <br>tag=LXMkFpqUA..Contact: <sip:220.225.134.2:13120;nat=yes> ..Content-Type: application/sdp..Content-Length: 216..P-hint: onreply_route|force_rtp_proxy ..P-hint: Onr <br>eply-route - fixcontact ....v=0..o=blackberry 1342175741968 1342175741968 IN IP4 220.225.134.2..s=Phone call..c=IN IP4 220.225.134.9..t=0 0..t=0 0..m=audio 38476 <br>RTP/AVP 114..a=rtpmap:114 AMR/8000/1..a=fmtp:114 octet-align=1..a=nortpproxy:yes.. <br>############################# <br>U(17) 203.199.234.3:41792 -> 220.225.134.9:5060 <br>ACK sip:220.225.134.2:13120;nat=yes SIP/2.0..Call-Id: 58f64298f3186a42b96a608659fd434d@220.225.134.9..CSeq: 1 ACK..To: <sip:1005@220.225.134.9> ;tag=4IHoLZ2ha..Via <br>: SIP/2.0/UDP 220.225.134.9:5060;rport;branch=z9hG4bK202da30a90a53ad5d81d9256e09b6db6..Max-Forwards: 70..From: <sip:1012@220.225.134.9> ;tag=LXMkFpqUA..Contact: <s <br>ip:1012@203.199.234.3:41792 >..Route: <sip:220.225.134.9;lr=on> ..Content-Length: 0.... <br># <br>U(17) 220.225.134.9:5060 -> 220.225.134.2:13120 <br>ACK sip:220.225.134.2:13120 SIP/2.0..Call-Id: 58f64298f3186a42b96a608659fd434d@220.225.134.9..CSeq: 1 ACK..To: <sip:1005@220.225.134.9> ;tag=4IHoLZ2ha..Via: SIP/2. <br>0/UDP 220.225.134.9;branch=z9hG4bKec6a.856da06.2..Via: SIP/2.0/UDP 220.225.134.9:5060;received=203.199.234.3;rport=41792;branch=z9hG4bK202da30a90a53ad5d81d9256e09 <br>b6db6..Max-Forwards: 69..From: <sip:1012@220.225.134.9> ;tag=LXMkFpqUA..Contact: <sip:1012@203.199.234.3:41792;nat=yes> ..Content-Length: 0.... <br>################ <br>U(17) 220.225.134.2:13120 -> 220.225.134.9:5060 <br>SIP/2.0 200 OK..Record-Route: <sip:220.225.134.9;lr=on> ..Call-Id: 58f64298f3186a42b96a608659fd434d@220.225.134.9..CSeq: 1 INVITE..To: <sip:1005@220.225.134.9> ;tag <br>=4IHoLZ2ha..Via: SIP/2.0/UDP 220.225.134.9:5060;branch=z9hG4bKec6a.856da06.0,SIP/2.0/UDP 220.225.134.9:5060;received=203.199.234.3;rport=41792;branch=z9hG4bKd8feb <br>fe85d601ca1b48d8bd8e6a10ba6..From: <sip:1012@220.225.134.9> ;tag=LXMkFpqUA..Contact: <sip:220.225.134.9:5060> ..Content-Type: application/sdp..Content-Length: 197.. <br>..v=0..o=blackberry 1342175741968 1342175741968 IN IP4 220.225.134.2..s=Phone call..c=IN IP4 220.225.134.2..t=0 0..t=0 0..m=audio 7078 RTP/AVP 114..a=rtpmap:114 A <br>MR/8000/1..a=fmtp:114 octet-align=1.. <br># <br>U(17) 220.225.134.9:5060 -> 203.199.234.3:41792 <br>SIP/2.0 200 OK..Record-Route: <sip:220.225.134.9;lr=on> ..Call-Id: 58f64298f3186a42b96a608659fd434d@220.225.134.9..CSeq: 1 INVITE..To: <sip:1005@220.225.134.9> ;tag <br>=4IHoLZ2ha..Via: SIP/2.0/UDP 220.225.134.9:5060;received=203.199.234.3;rport=41792;branch=z9hG4bKd8febfe85d601ca1b48d8bd8e6a10ba6..From: <sip:1012@220.225.134.9> ; <br>tag=LXMkFpqUA..Contact: <sip:220.225.134.2:13120;nat=yes> ..Content-Type: application/sdp..Content-Length: 216..P-hint: onreply_route|force_rtp_proxy ..P-hint: Onr <br>eply-route - fixcontact ....v=0..o=blackberry 1342175741968 1342175741968 IN IP4 220.225.134.2..s=Phone call..c=IN IP4 220.225.134.9..t=0 0..t=0 0..m=audio 38476 <br>RTP/AVP 114..a=rtpmap:114 AMR/8000/1..a=fmtp:114 octet-align=1..a=nortpproxy:yes.. <br>################# <br>U(17) 220.225.134.2:13120 -> 220.225.134.9:5060 <br>SIP/2.0 500 Server Internal Error..Call-Id: 58f64298f3186a42b96a608659fd434d@220.225.134.9..CSeq: 1 ACK..To: <sip:1005@220.225.134.9> ;tag=4IHoLZ2ha..Via: SIP/2.0/ <br>UDP 220.225.134.9:5060;branch=z9hG4bKec6a.856da06.2,SIP/2.0/UDP 220.225.134.9:5060;received=203.199.234.3;rport=41792;branch=z9hG4bK202da30a90a53ad5d81d9256e09b6d <br>b6..From: <sip:1012@220.225.134.9> ;tag=LXMkFpqUA..Contact: <sip:220.225.134.9:5060> ..Content-Length: 0.... <br>####################################################################################################### <br>U(17) 220.225.134.9:5060 -> 220.225.134.2:13120 <br>OPTIONS sip:220.225.134.2:13120 SIP/2.0..Via: SIP/2.0/UDP 220.225.134.9:5060;branch=0..From: sip:pinger@PROXY_IP;tag=63cac2b..To: sip:220.225.134.2:13120..Call-ID <br>: 20233266-bc88a9d3-5342d@220.225.134.9..CSeq: 1 OPTIONS..Content-Length: 0.... <br>##################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################### <br>U(17) 220.225.134.9:5060 -> 203.199.234.3:24922 <br>OPTIONS sip:203.199.234.3:24922 SIP/2.0..Via: SIP/2.0/UDP 220.225.134.9:5060;branch=0..From: sip:pinger@PROXY_IP;tag=73cac2b..To: sip:203.199.234.3:24922..Call-ID <br>: 20233266-cc88a9d3-9342d@220.225.134.9..CSeq: 1 OPTIONS..Content-Length: 0.... <br>################################## <br>U(17) 203.199.234.3:24922 -> 220.225.134.9:5060 <br>SIP/2.0 200 OK..Via: SIP/2.0/UDP 220.225.134.9:5060;branch=0..Contact: <sip:10.100.4.156:20958> ..To: <sip:203.199.234.3:24922> ;tag=190a3f50..From: < sip:pinger@PRO <br>XY_IP>;tag=73cac2b..Call-ID: 20233266-cc88a9d3-9342d@220.225.134.9..CSeq: 1 OPTIONS..Accept: application/sdp..Accept-Language: en..Allow: INVITE, ACK, CANCEL, OPT <br>IONS, BYE, REFER, NOTIFY, MESSAGE, SUBSCRIBE, INFO..User-Agent: X-Lite release 1103k stamp 53621..Content-Length: 0.... <br>############################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################# <br>U(17) 220.225.134.9:5060 -> 59.144.118.72:21788 <br>OPTIONS sip:59.144.118.72:21788 SIP/2.0..Via: SIP/2.0/UDP 220.225.134.9:5060;branch=0..From: sip:pinger@PROXY_IP;tag=83cac2b..To: sip:59.144.118.72:21788..Call-ID <br>: 20233266-dc88a9d3-c342d@220.225.134.9..CSeq: 1 OPTIONS..Content-Length: 0.... <br>#################################### <br>U(17) 59.144.118.72:21788 -> 220.225.134.9:5060 <br>SIP/2.0 200 OK..Via: SIP/2.0/UDP 220.225.134.9:5060;branch=0..Contact: <sip:192.168.1.112:21788> ..To: <sip:59.144.118.72:21788> ;tag=bc7b1d12..From: < sip:pinger@PR <br>OXY_IP>;tag=83cac2b..Call-ID: 20233266-dc88a9d3-c342d@220.225.134.9..CSeq: 1 OPTIONS..Accept: application/sdp..Accept-Language: en..Allow: INVITE, ACK, CANCEL, OP <br>TIONS, BYE, REFER, NOTIFY, MESSAGE, SUBSCRIBE, INFO..Supported: replaces..User-Agent: X-Lite 4 release 4.1 stamp 63215..Content-Length: 0.... <br>######################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################### <br>U(17) 220.225.134.9:5060 -> 59.144.118.72:57246 <br>OPTIONS sip:59.144.118.72:57246 SIP/2.0..Via: SIP/2.0/UDP 220.225.134.9:5060;branch=0..From: sip:pinger@PROXY_IP;tag=93cac2b..To: sip:59.144.118.72:57246..Call-ID <br>: 20233266-ec88a9d3-1442d@220.225.134.9..CSeq: 1 OPTIONS..Content-Length: 0.... <br>############################### <br>U(17) 59.144.118.72:57246 -> 220.225.134.9:5060 <br>SIP/2.0 200 OK..Via: SIP/2.0/UDP 220.225.134.9:5060;branch=0..From: <sip:pinger@PROXY> ;tag=61cac2b..To: <sip:59.144.118.72:57246> ;tag=1255356873..Contact: < sip:pi <br>nger@59.144.118.72:57246;transport=udp >..Call-ID: 20233266-ba88a9d3-3242d@220.225.134.9..CSeq: 1 OPTIONS..Content-Length: 0.... <br>############################################################################################################################################ <br><br>Please let me know where the error is. <br><br>Thanks, <br>Arjun <br></body></html>