[Users] ngrep explanation please

Klaus Darilion klaus.mailinglists at pernau.at
Mon Sep 18 10:08:16 CEST 2006


Please resend with

ngrep -W byline ......


klaus

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?
> 
> 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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