[Users] ngrep explanation please

Ronald Wiplinger ronald at elmit.com
Mon Sep 18 04:02:21 CEST 2006


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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