[Users] ngrep explanation please

Daniel-Constantin Mierla daniel at voice-system.ro
Mon Sep 18 11:44:14 CEST 2006



On 09/18/06 05:02, Ronald Wiplinger wrote:
> I have a softphone (eyebeam at 7211) and I try to call a hard phone at 
> 7112.
>
> Eyebeam shows after the phone rang:
>
> Call failed: Media negotiation failed.
>
> I have set-up both for voice: G711u and video: h264.
>
>
> Can you please brief explain me what I see with:
> ngrep -d any -qt port 5060
> (output is below)?
> (brief) and where do I get a detail information for it?
> and what could be the problem, what could be a possible solution?

from the trace seems that only speex is advertised by eyebeam. Does the 
callee's phone support video?. Try to do only audio call and see if it 
gets connected.

Cheers,
Daniel

>
> thanks for your help!
>
> bye
>
> Ronald
>
> U 2006/09/18 09:52:11.253462 192.168.250.108:43854 -> 192.168.250.41:5060
>  INVITE sip:7112 at 192.168.250.41 SIP/2.0..Via: SIP/2.0/UDP 
> 192.168.250.108:43854;bran
>  ch=z9hG4bK-d87543-aa3e232283193c6d-1--d87543-;rport..Max-Forwards: 
> 70..Contact: <si
>  p:7211 at 192.168.250.108:43854>..To: 
> "7112"<sip:7112 at 192.168.250.41>..From: "Ronald-t
>  aipei @ video "<sip:7211 at 192.168.250.41>;tag=85349c3f..Call-ID: 
> Zjk4YjVjZDczYzQyNmN
>  kMzgxODc3MDVmNjJlOWIyYTc...CSeq: 1 INVITE..Allow: INVITE, ACK, 
> CANCEL, OPTIONS, BYE
>  , REFER, NOTIFY, MESSAGE, SUBSCRIBE, INFO..Content-Type: 
> application/sdp..User-Agen
>  t: eyeBeam release 1004p stamp 31962..Content-Length: 785....v=0..o=- 
> 2 2 IN IP4 19
>  2.168.250.108..s=CounterPath eyeBeam 1.5..c=IN IP4 
> 192.168.250.108..t=0 0..m=audio
>  11588 RTP/AVP 107 100 106 6 0 105 18 3 5 101..a=alt:1 2 : 1HNRF2W7 
> lFCxbz3O 5.32.86
>  .166 11588..a=alt:2 1 : wmC2UUv5 SDteeaPr 192.168.250.108 
> 11588..a=fmtp:18 annexb=n
>  o..a=fmtp:101 0-15..a=rtpmap:107 BV32/16000..a=rtpmap:100 
> SPEEX/16000..a=rtpmap:106
>   SPEEX-FEC/16000..a=rtpmap:105 SPEEX-FEC/8000..a=rtpmap:101 
> telephone-event/8000..a
>  
> =sendrecv..a=x-rtp-session-id:D08BC9B4AF734681A0D89918C35B13C3..m=video 
> 62096 RTP/A
>  VP 125..a=alt:1 2 : JXP4adeI lQwRBdzZ 5.32.86.166 62096..a=alt:2 1 : 
> hh2NmIOI MdCTT
>  UEJ 192.168.250.108 62096..a=fmtp:125 profile-level-id=42e015; 
> max-br=4000; max-mbp
>  s=19800..a=rtpmap:125 
> H264/90000..a=sendrecv..a=x-rtp-session-id:8178D81F66DF4316AA
>  
> D51ABF209E1157..                                                                  
>
>
> U 2006/09/18 09:52:11.271928 192.168.250.41:5060 -> 192.168.250.108:43854
>  SIP/2.0 100 trying -- your call is important to us..Via: SIP/2.0/UDP 
> 192.168.250.10
>  
> 8:43854;branch=z9hG4bK-d87543-aa3e232283193c6d-1--d87543-;rport=43854..To: 
> "7112"<s
>  ip:7112 at 192.168.250.41>..From: "Ronald-taipei @ video 
> "<sip:7211 at 192.168.250.41>;ta
>  g=85349c3f..Call-ID: 
> Zjk4YjVjZDczYzQyNmNkMzgxODc3MDVmNjJlOWIyYTc...CSeq: 1 INVITE..
>  Server: OpenSer (1.1.0-notls (x86_64/linux))..Content-Length: 
> 0..Warning: 392 192.1
>  68.250.41:5060 "Noisy feedback tells:  pid=31767 
> req_src_ip=192.168.250.108 req_src
>  _port=43854 in_uri=sip:7112 at 192.168.250.41 
> out_uri=sip:7112 at 192.168.250.116:5060 vi
>  
> a_cnt==1"....                                                                     
>
>
> U 2006/09/18 09:52:11.271969 192.168.250.41:5060 -> 192.168.250.116:5060
>  INVITE sip:7112 at 192.168.250.116:5060 SIP/2.0..Record-Route: 
> <sip:192.168.250.41;lr=
>  on;ftag=85349c3f>..Via: SIP/2.0/UDP 
> 192.168.250.41;branch=z9hG4bK2a6b.b6ab15e2.0..V
>  ia: SIP/2.0/UDP 
> 192.168.250.108:43854;branch=z9hG4bK-d87543-aa3e232283193c6d-1--d87
>  543-;rport=43854..Max-Forwards: 69..Contact: 
> <sip:7211 at 192.168.250.108:43854>..To:
>  "7112"<sip:7112 at 192.168.250.41>..From: "Ronald-taipei @ video 
> "<sip:7211 at 192.168.25
>  0.41>;tag=85349c3f..Call-ID: 
> Zjk4YjVjZDczYzQyNmNkMzgxODc3MDVmNjJlOWIyYTc...CSeq: 1
>  INVITE..Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY, 
> MESSAGE, SUBSCRIBE
>  , INFO..Content-Type: application/sdp..User-Agent: eyeBeam release 
> 1004p stamp 3196
>  2..Content-Length: 785..P-hint: usrloc applied....v=0..o=- 2 2 IN IP4 
> 192.168.250.1
>  08..s=CounterPath eyeBeam 1.5..c=IN IP4 192.168.250.108..t=0 
> 0..m=audio 11588 RTP/A
>  VP 107 100 106 6 0 105 18 3 5 101..a=alt:1 2 : 1HNRF2W7 lFCxbz3O 
> 5.32.86.166 11588.
>  .a=alt:2 1 : wmC2UUv5 SDteeaPr 192.168.250.108 11588..a=fmtp:18 
> annexb=no..a=fmtp:1
>  01 0-15..a=rtpmap:107 BV32/16000..a=rtpmap:100 
> SPEEX/16000..a=rtpmap:106 SPEEX-FEC/
>  16000..a=rtpmap:105 SPEEX-FEC/8000..a=rtpmap:101 
> telephone-event/8000..a=sendrecv..
>  a=x-rtp-session-id:D08BC9B4AF734681A0D89918C35B13C3..m=video 62096 
> RTP/AVP 125..a=a
>  lt:1 2 : JXP4adeI lQwRBdzZ 5.32.86.166 62096..a=alt:2 1 : hh2NmIOI 
> MdCTTUEJ 192.168
>  .250.108 62096..a=fmtp:125 profile-level-id=42e015; max-br=4000; 
> max-mbps=19800..a=
>  rtpmap:125 
> H264/90000..a=sendrecv..a=x-rtp-session-id:8178D81                     
> U 2006/09/18 09:52:11.281432 192.168.250.116:5060 -> 192.168.250.41:5060
>  SIP/2.0 100 Trying..From: "Ronald-taipei @ video 
> "<sip:7211 at 192.168.250.41> ;tag=85
>  349c3f..To: "7112"<sip:7112 at 192.168.250.41> 
> ;tag=0-13c4-9122d-236f034a-80b..Call-ID
>  : Zjk4YjVjZDczYzQyNmNkMzgxODc3MDVmNjJlOWIyYTc...CSeq: 1 INVITE..Via: 
> SIP/2.0/UDP 19
>  2.168.250.41 ;received=192.168.250.41 
> ;branch=z9hG4bK2a6b.b6ab15e2.0..Via: SIP/2.0/
>  UDP 192.168.250.108:43854 
> ;branch=z9hG4bK-d87543-aa3e232283193c6d-1--d87543- ;rport
>  =43854..Contact: <sip:7112 at 192.168.250.116:5060>..Record-Route: 
> <sip:192.168.250.41
>  
> ;ftag=85349c3f>..Content-Length:0....                                             
>
>
> U 2006/09/18 09:52:11.785445 192.168.250.116:5060 -> 192.168.250.41:5060
>  SIP/2.0 180 Ringing..From: "Ronald-taipei @ video 
> "<sip:7211 at 192.168.250.41> ;tag=8
>  5349c3f..To: "7112"<sip:7112 at 192.168.250.41> 
> ;tag=0-13c4-9122d-236f034a-80b..Call-I
>  D: Zjk4YjVjZDczYzQyNmNkMzgxODc3MDVmNjJlOWIyYTc...CSeq: 1 INVITE..Via: 
> SIP/2.0/UDP 1
>  92.168.250.41 ;received=192.168.250.41 
> ;branch=z9hG4bK2a6b.b6ab15e2.0..Via: SIP/2.0
>  /UDP 192.168.250.108:43854 
> ;branch=z9hG4bK-d87543-aa3e232283193c6d-1--d87543- ;rpor
>  t=43854..Require: 100rel..RSeq: 441..Contact: 
> <sip:7112 at 192.168.250.116:5060>..Reco
>  rd-Route: 
> <sip:192.168.250.41;ftag=85349c3f>..Content-Length:0....                
> U 2006/09/18 09:52:11.785662 192.168.250.41:5060 -> 192.168.250.108:43854
>  SIP/2.0 180 Ringing..From: "Ronald-taipei @ video 
> "<sip:7211 at 192.168.250.41> ;tag=8
>  5349c3f..To: "7112"<sip:7112 at 192.168.250.41> 
> ;tag=0-13c4-9122d-236f034a-80b..Call-I
>  D: Zjk4YjVjZDczYzQyNmNkMzgxODc3MDVmNjJlOWIyYTc...CSeq: 1 INVITE..Via: 
> SIP/2.0/UDP 1
>  92.168.250.108:43854 
> ;branch=z9hG4bK-d87543-aa3e232283193c6d-1--d87543- ;rport=4385
>  4..Require: 100rel..RSeq: 441..Contact: 
> <sip:7112 at 192.168.250.116:5060>..Record-Rou
>  te: 
> <sip:192.168.250.41;ftag=85349c3f>..Content-Length:0....                      
>
>
> U 2006/09/18 09:52:12.287448 192.168.250.116:5060 -> 192.168.250.41:5060
>  SIP/2.0 180 Ringing..From: "Ronald-taipei @ video 
> "<sip:7211 at 192.168.250.41> ;tag=8
>  5349c3f..To: "7112"<sip:7112 at 192.168.250.41> 
> ;tag=0-13c4-9122d-236f034a-80b..Call-I
>  D: Zjk4YjVjZDczYzQyNmNkMzgxODc3MDVmNjJlOWIyYTc...CSeq: 1 INVITE..Via: 
> SIP/2.0/UDP 1
>  92.168.250.41 ;received=192.168.250.41 
> ;branch=z9hG4bK2a6b.b6ab15e2.0..Via: SIP/2.0
>  /UDP 192.168.250.108:43854 
> ;branch=z9hG4bK-d87543-aa3e232283193c6d-1--d87543- ;rpor
>  t=43854..Require: 100rel..RSeq: 441..Contact: 
> <sip:7112 at 192.168.250.116:5060>..Reco
>  rd-Route: 
> <sip:192.168.250.41;ftag=85349c3f>..Content-Length:0....                
> U 2006/09/18 09:52:12.287785 192.168.250.41:5060 -> 192.168.250.108:43854
>  SIP/2.0 180 Ringing..From: "Ronald-taipei @ video 
> "<sip:7211 at 192.168.250.41> ;tag=8
>  5349c3f..To: "7112"<sip:7112 at 192.168.250.41> 
> ;tag=0-13c4-9122d-236f034a-80b..Call-I
>  D: Zjk4YjVjZDczYzQyNmNkMzgxODc3MDVmNjJlOWIyYTc...CSeq: 1 INVITE..Via: 
> SIP/2.0/UDP 1
>  92.168.250.108:43854 
> ;branch=z9hG4bK-d87543-aa3e232283193c6d-1--d87543- ;rport=4385
>  4..Require: 100rel..RSeq: 441..Contact: 
> <sip:7112 at 192.168.250.116:5060>..Record-Rou
>  te: 
> <sip:192.168.250.41;ftag=85349c3f>..Content-Length:0....                      
>
>
> U 2006/09/18 09:52:13.287502 192.168.250.116:5060 -> 192.168.250.41:5060
>  SIP/2.0 180 Ringing..From: "Ronald-taipei @ video 
> "<sip:7211 at 192.168.250.41> ;tag=8
>  5349c3f..To: "7112"<sip:7112 at 192.168.250.41> 
> ;tag=0-13c4-9122d-236f034a-80b..Call-I
>  D: Zjk4YjVjZDczYzQyNmNkMzgxODc3MDVmNjJlOWIyYTc...CSeq: 1 INVITE..Via: 
> SIP/2.0/UDP 1
>  92.168.250.41 ;received=192.168.250.41 
> ;branch=z9hG4bK2a6b.b6ab15e2.0..Via: SIP/2.0
>  /UDP 192.168.250.108:43854 
> ;branch=z9hG4bK-d87543-aa3e232283193c6d-1--d87543- ;rpor
>  t=43854..Require: 100rel..RSeq: 441..Contact: 
> <sip:7112 at 192.168.250.116:5060>..Reco
>  rd-Route: 
> <sip:192.168.250.41;ftag=85349c3f>..Content-Length:0....                
> U 2006/09/18 09:52:13.287742 192.168.250.41:5060 -> 192.168.250.108:43854
>  SIP/2.0 180 Ringing..From: "Ronald-taipei @ video 
> "<sip:7211 at 192.168.250.41> ;tag=8
>  5349c3f..To: "7112"<sip:7112 at 192.168.250.41> 
> ;tag=0-13c4-9122d-236f034a-80b..Call-I
>  D: Zjk4YjVjZDczYzQyNmNkMzgxODc3MDVmNjJlOWIyYTc...CSeq: 1 INVITE..Via: 
> SIP/2.0/UDP 1
>  92.168.250.108:43854 
> ;branch=z9hG4bK-d87543-aa3e232283193c6d-1--d87543- ;rport=4385
>  4..Require: 100rel..RSeq: 441..Contact: 
> <sip:7112 at 192.168.250.116:5060>..Record-Rou
>  te: 
> <sip:192.168.250.41;ftag=85349c3f>..Content-Length:0....                      
>
>
> U 2006/09/18 09:52:15.287590 192.168.250.116:5060 -> 192.168.250.41:5060
>  SIP/2.0 180 Ringing..From: "Ronald-taipei @ video 
> "<sip:7211 at 192.168.250.41> ;tag=8
>  5349c3f..To: "7112"<sip:7112 at 192.168.250.41> 
> ;tag=0-13c4-9122d-236f034a-80b..Call-I
>  D: Zjk4YjVjZDczYzQyNmNkMzgxODc3MDVmNjJlOWIyYTc...CSeq: 1 INVITE..Via: 
> SIP/2.0/UDP 1
>  92.168.250.41 ;received=192.168.250.41 
> ;branch=z9hG4bK2a6b.b6ab15e2.0..Via: SIP/2.0
>  /UDP 192.168.250.108:43854 
> ;branch=z9hG4bK-d87543-aa3e232283193c6d-1--d87543- ;rpor
>  t=43854..Require: 100rel..RSeq: 441..Contact: 
> <sip:7112 at 192.168.250.116:5060>..Reco
>  rd-Route: 
> <sip:192.168.250.41;ftag=85349c3f>..Content-Length:0....                
> U 2006/09/18 09:52:15.287803 192.168.250.41:5060 -> 192.168.250.108:43854
>  SIP/2.0 180 Ringing..From: "Ronald-taipei @ video 
> "<sip:7211 at 192.168.250.41> ;tag=8
>  5349c3f..To: "7112"<sip:7112 at 192.168.250.41> 
> ;tag=0-13c4-9122d-236f034a-80b..Call-I
>  D: Zjk4YjVjZDczYzQyNmNkMzgxODc3MDVmNjJlOWIyYTc...CSeq: 1 INVITE..Via: 
> SIP/2.0/UDP 1
>  92.168.250.108:43854 
> ;branch=z9hG4bK-d87543-aa3e232283193c6d-1--d87543- ;rport=4385
>  4..Require: 100rel..RSeq: 441..Contact: 
> <sip:7112 at 192.168.250.116:5060>..Record-Rou
>  te: 
> <sip:192.168.250.41;ftag=85349c3f>..Content-Length:0....                      
>
>
> U 2006/09/18 09:52:17.801707 192.168.250.116:5060 -> 192.168.250.41:5060
>  SIP/2.0 200 OK..From: "Ronald-taipei @ video 
> "<sip:7211 at 192.168.250.41> ;tag=85349c
>  3f..To: "7112"<sip:7112 at 192.168.250.41> 
> ;tag=0-13c4-9122d-236f034a-80b..Call-ID: Zj
>  k4YjVjZDczYzQyNmNkMzgxODc3MDVmNjJlOWIyYTc...CSeq: 1 INVITE..Via: 
> SIP/2.0/UDP 192.16
>  8.250.41 ;received=192.168.250.41 
> ;branch=z9hG4bK2a6b.b6ab15e2.0..Via: SIP/2.0/UDP
>  192.168.250.108:43854 
> ;branch=z9hG4bK-d87543-aa3e232283193c6d-1--d87543- ;rport=438
>  54..Contact: <sip:7112 at 192.168.250.116:5060>..Record-Route: 
> <sip:192.168.250.41;fta
>  g=85349c3f>..Content-Type: 
> application/SDP..Content-Length:95....v=0..o=wintech 506
>  1 5071 IN IP4 192.168.250.116..s=ssss-name..c=IN IP4 
> 192.168.250.116..t=0 0..     
> U 2006/09/18 09:52:17.801935 192.168.250.41:5060 -> 192.168.250.108:43854
>  SIP/2.0 200 OK..From: "Ronald-taipei @ video 
> "<sip:7211 at 192.168.250.41> ;tag=85349c
>  3f..To: "7112"<sip:7112 at 192.168.250.41> 
> ;tag=0-13c4-9122d-236f034a-80b..Call-ID: Zj
>  k4YjVjZDczYzQyNmNkMzgxODc3MDVmNjJlOWIyYTc...CSeq: 1 INVITE..Via: 
> SIP/2.0/UDP 192.16
>  8.250.108:43854 ;branch=z9hG4bK-d87543-aa3e232283193c6d-1--d87543- 
> ;rport=43854..Co
>  ntact: <sip:7112 at 192.168.250.116:5060>..Record-Route: 
> <sip:192.168.250.41;ftag=8534
>  9c3f>..Content-Type: 
> application/SDP..Content-Length:95....v=0..o=wintech 5061 5071
>   IN IP4 192.168.250.116..s=ssss-name..c=IN IP4 192.168.250.116..t=0 
> 0..           
> U 2006/09/18 09:52:18.006466 192.168.250.108:43854 -> 192.168.250.41:5060
>  ACK sip:192.168.250.41;ftag=85349c3f SIP/2.0..Via: SIP/2.0/UDP 
> 192.168.250.108:4385
>  
> 4;branch=z9hG4bK-d87543-fc36ee32f92f8656-1--d87543-;rport..Max-Forwards: 
> 70..Route:
>   <sip:7112 at 192.168.250.116:5060>..Contact: 
> <sip:7211 at 192.168.250.108:43854>..To: "7
>  112"<sip:7112 at 192.168.250.41>;tag=0-13c4-9122d-236f034a-80b..From: 
> "Ronald-taipei @
>   video "<sip:7211 at 192.168.250.41>;tag=85349c3f..Call-ID: 
> Zjk4YjVjZDczYzQyNmNkMzgxOD
>  c3MDVmNjJlOWIyYTc...CSeq: 1 ACK..User-Agent: eyeBeam release 1004p 
> stamp 31962..Con
>  tent-Length: 
> 0....                                                                
> U 2006/09/18 09:52:18.006478 192.168.250.108:43854 -> 192.168.250.41:5060
>  BYE sip:192.168.250.41;ftag=85349c3f SIP/2.0..Via: SIP/2.0/UDP 
> 192.168.250.108:4385
>  
> 4;branch=z9hG4bK-d87543-d52beb5db212b556-1--d87543-;rport..Max-Forwards: 
> 70..Route:
>   <sip:7112 at 192.168.250.116:5060>..Contact: 
> <sip:7211 at 192.168.250.108:43854>..To: "7
>  112"<sip:7112 at 192.168.250.41>;tag=0-13c4-9122d-236f034a-80b..From: 
> "Ronald-taipei @
>   video "<sip:7211 at 192.168.250.41>;tag=85349c3f..Call-ID: 
> Zjk4YjVjZDczYzQyNmNkMzgxOD
>  c3MDVmNjJlOWIyYTc...CSeq: 2 BYE..User-Agent: eyeBeam release 1004p 
> stamp 31962..Rea
>  son: SIP;description="Application Rejected Sdp(usually no common 
> codec)"..Content-L
>  ength: 
> 0....                                                                       
>
> U 2006/09/18 09:52:18.006887 192.168.250.41:5060 -> 192.168.250.116:5060
>  ACK sip:7112 at 192.168.250.116:5060 SIP/2.0..Record-Route: 
> <sip:192.168.250.41;lr=on;
>  ftag=85349c3f>..Via: SIP/2.0/UDP 
> 192.168.250.41;branch=z9hG4bK2a6b.b6ab15e2.2..Via:
>   SIP/2.0/UDP 
> 192.168.250.108:43854;branch=z9hG4bK-d87543-fc36ee32f92f8656-1--d87543
>  -;rport=43854..Max-Forwards: 69..Contact: 
> <sip:7211 at 192.168.250.108:43854>..To: "71
>  12"<sip:7112 at 192.168.250.41>;tag=0-13c4-9122d-236f034a-80b..From: 
> "Ronald-taipei @
>  video "<sip:7211 at 192.168.250.41>;tag=85349c3f..Call-ID: 
> Zjk4YjVjZDczYzQyNmNkMzgxODc
>  3MDVmNjJlOWIyYTc...CSeq: 1 ACK..User-Agent: eyeBeam release 1004p 
> stamp 31962..Cont
>  ent-Length: 0..P-hint: 
> rr-enforced....                                            
> U 2006/09/18 09:52:18.007147 192.168.250.41:5060 -> 192.168.250.116:5060
>  BYE sip:7112 at 192.168.250.116:5060 SIP/2.0..Record-Route: 
> <sip:192.168.250.41;lr=on;
>  ftag=85349c3f>..Via: SIP/2.0/UDP 
> 192.168.250.41;branch=z9hG4bKf96b.03d4bda5.0..Via:
>   SIP/2.0/UDP 
> 192.168.250.108:43854;branch=z9hG4bK-d87543-d52beb5db212b556-1--d87543
>  -;rport=43854..Max-Forwards: 69..Contact: 
> <sip:7211 at 192.168.250.108:43854>..To: "71
>  12"<sip:7112 at 192.168.250.41>;tag=0-13c4-9122d-236f034a-80b..From: 
> "Ronald-taipei @
>  video "<sip:7211 at 192.168.250.41>;tag=85349c3f..Call-ID: 
> Zjk4YjVjZDczYzQyNmNkMzgxODc
>  3MDVmNjJlOWIyYTc...CSeq: 2 BYE..User-Agent: eyeBeam release 1004p 
> stamp 31962..Reas
>  on: SIP;description="Application Rejected Sdp(usually no common 
> codec)"..Content-Le
>  ngth: 0..P-hint: 
> rr-enforced....                                                  
> U 2006/09/18 09:52:18.039998 192.168.250.116:5060 -> 192.168.250.41:5060
>  SIP/2.0 200 OK..From: "Ronald-taipei @ video 
> "<sip:7211 at 192.168.250.41> ;tag=85349c
>  3f..To: "7112"<sip:7112 at 192.168.250.41> 
> ;tag=0-13c4-9122d-236f034a-80b..Call-ID: Zj
>  k4YjVjZDczYzQyNmNkMzgxODc3MDVmNjJlOWIyYTc...CSeq: 2 BYE..Via: 
> SIP/2.0/UDP 192.168.2
>  50.41 ;received=192.168.250.41 ;branch=z9hG4bKf96b.03d4bda5.0..Via: 
> SIP/2.0/UDP 192
>  .168.250.108:43854 ;branch=z9hG4bK-d87543-d52beb5db212b556-1--d87543- 
> ;rport=43854.
>  
> .Content-Length:0....                                                             
>
>
> U 2006/09/18 09:52:18.040200 192.168.250.41:5060 -> 192.168.250.108:43854
>  SIP/2.0 200 OK..From: "Ronald-taipei @ video 
> "<sip:7211 at 192.168.250.41> ;tag=85349c
>  3f..To: "7112"<sip:7112 at 192.168.250.41> 
> ;tag=0-13c4-9122d-236f034a-80b..Call-ID: Zj
>  k4YjVjZDczYzQyNmNkMzgxODc3MDVmNjJlOWIyYTc...CSeq: 2 BYE..Via: 
> SIP/2.0/UDP 192.168.2
>  50.108:43854 ;branch=z9hG4bK-d87543-d52beb5db212b556-1--d87543- 
> ;rport=43854..Conte
>  
> nt-Length:0....                                                                   
>
>
> U 2006/09/18 09:52:20.758052 192.168.250.108:43854 -> 192.168.250.41:5060
>  
> ....                                                                              
>
>
> U 2006/09/18 09:52:30.491226 192.168.250.116:5060 -> 192.168.250.41:5060
>  REGISTER sip:192.168.250.41:5060 SIP/2.0..From: 
> <sip:7112 at testdomain.com> ;tag=0-13
>  c4-91241-236f4e52-101..To: <sip:7112 at testdomain.com>..Call-ID: 
> 0-13c4-4-1316-362a..
>  CSeq: 3106 REGISTER..Via: SIP/2.0/UDP 192.168.250.116:5060 
> ;branch=z9hG4bK-91241-23
>  6f4e52-6ba6..Max-Forwards: 70..Contact: 
> <sip:7112 at 192.168.250.116:5060>;expires=720
>  
> 0..Content-Length:0....                                                           
>
>
> U 2006/09/18 09:52:30.491441 192.168.250.41:5060 -> 192.168.250.116:5060
>  SIP/2.0 200 OK..From: <sip:7112 at testdomain.com> 
> ;tag=0-13c4-91241-236f4e52-101..To:
>   
> <sip:7112 at testdomain.com>;tag=329cfeaa6ded039da25ff8cbb8668bd2.d9ec..Call-ID: 
> 0-13
>  c4-4-1316-362a..CSeq: 3106 REGISTER..Via: SIP/2.0/UDP 
> 192.168.250.116:5060 ;branch=
>  z9hG4bK-91241-236f4e52-6ba6..Contact: 
> <sip:7112 at 192.168.250.116:5060>;expires=7200.
>  .Server: OpenSer (1.1.0-notls (x86_64/linux))..Content-Length: 
> 0..Warning: 392 192.
>  168.250.41:5060 "Noisy feedback tells:  pid=31768 
> req_src_ip=192.168.250.116 req_sr
>  c_port=5060 in_uri=sip:192.168.250.41:5060 
> out_uri=sip:192.168.250.41:5060 via_cnt=
>  =1"....               
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