U 161.30.94.151:1494 -> 161.30.94.136:5060
  INVITE sip:83930612@sip.dev.inmarsat.com SIP/2.0..From: sip:test3@sip.dev.inmarsat.com;tag=3c1349..To: sip:839306
  12@sip.dev.inmarsat.com..Call-Id: call-1092217006-84@161.30.94.151..Cseq: 1 INVITE..Contact: <sip:test3@161.30.94
  .151>..Content-Type: application/sdp..Content-Length: 308..Accept-Language: en..Allow: INVITE, ACK, CANCEL, BYE,
  REFER, OPTIONS, NOTIFY, REGISTER, SUBSCRIBE..Supported: sip-cc, sip-cc-01, timer, replaces..User-Agent: Pingtel/2
  .1.11 (VxWorks)..Date: Wed, 11 Aug 2004 09:36:50 GMT..Via: SIP/2.0/UDP 161.30.94.151....v=0..o=Pingtel 5 5 IN IP4
   161.30.94.151..s=phone-call..c=IN IP4 161.30.94.151..t=0 0..m=audio 8766 RTP/AVP 96 97 0 8 18 98..a=rtpmap:96 eg
  711u/8000/1..a=rtpmap:97 eg711a/8000/1..a=rtpmap:0 pcmu/8000/1..a=rtpmap:8 pcma/8000/1..a=rtpmap:18 g729/8000/1..
  a=fmtp:18 annexb=no..a=rtpmap:98 telephone-event/8000/1..
#
U 161.30.94.136:5060 -> 161.30.94.151:5060
  SIP/2.0 100 trying -- your call is important to us..From: sip:test3@sip.dev.inmarsat.com;tag=3c1349..To: sip:8393
  0612@sip.dev.inmarsat.com..Call-Id: call-1092217006-84@161.30.94.151..Cseq: 1 INVITE..Via: SIP/2.0/UDP 161.30.94.
  151..Server: Sip EXpress router (0.8.14 (i386/linux))..Content-Length: 0..Warning: 392 161.30.94.136:5060 "Noisy
  feedback tells:  pid=25287 req_src_ip=161.30.94.151 req_src_port=1494 in_uri=sip:83930612@sip.dev.inmarsat.com ou
  t_uri=sip:612@fwd.pulver.com. via_cnt==1"....
#
U 161.30.94.136:5060 -> 192.246.69.223:5060
  INVITE sip:612@fwd.pulver.com. SIP/2.0..Max-Forwards: 10..Record-Route: <sip:83930612@161.30.94.136;ftag=3c1349;l
  r=on>..From: sip:test3@sip.dev.inmarsat.com;tag=3c1349..To: sip:83930612@sip.dev.inmarsat.com..Call-Id: call-1092
  217006-84@161.30.94.151..Cseq: 1 INVITE..Contact: <sip:test3@161.30.94.151>..Content-Type: application/sdp..Conte
  nt-Length: 308..Accept-Language: en..Allow: INVITE, ACK, CANCEL, BYE, REFER, OPTIONS, NOTIFY, REGISTER, SUBSCRIBE
  ..Supported: sip-cc, sip-cc-01, timer, replaces..User-Agent: Pingtel/2.1.11 (VxWorks)..Date: Wed, 11 Aug 2004 09:
  36:50 GMT..Via: SIP/2.0/UDP 161.30.94.136;branch=z9hG4bK8202.f0984795.0..Via: SIP/2.0/UDP 161.30.94.151....v=0..o
  =Pingtel 5 5 IN IP4 161.30.94.151..s=phone-call..c=IN IP4 161.30.94.151..t=0 0..m=audio 8766 RTP/AVP 96 97 0 8 18
   98..a=rtpmap:96 eg711u/8000/1..a=rtpmap:97 eg711a/8000/1..a=rtpmap:0 pcmu/8000/1..a=rtpmap:8 pcma/8000/1..a=rtpm
  ap:18 g729/8000/1..a=fmtp:18 annexb=no..a=rtpmap:98 telephone-event/8000/1..
#
U 192.246.69.223:5060 -> 161.30.94.136:5060
  SIP/2.0 100 trying -- your call is important to us..From: sip:test3@sip.dev.inmarsat.com;tag=3c1349..To: sip:8393
  0612@sip.dev.inmarsat.com..Call-Id: call-1092217006-84@161.30.94.151..Cseq: 1 INVITE..Via: SIP/2.0/UDP 161.30.94.
  136;branch=z9hG4bK8202.f0984795.0..Via: SIP/2.0/UDP 161.30.94.151..Server: Free World Dialup (0.8.11rc3 (i386/lin
  ux))..Content-Length: 0....
#
U 192.246.69.223:5060 -> 161.30.94.136:5060
  SIP/2.0 483 Too Many Hops..From: sip:test3@sip.dev.inmarsat.com;tag=3c1349..To: sip:83930612@sip.dev.inmarsat.com
  ;tag=ec5154884c15db89cef5049aa4f06328.3df1..Call-Id: call-1092217006-84@161.30.94.151..Cseq: 1 INVITE..Via: SIP/2
  .0/UDP 161.30.94.136;branch=z9hG4bK8202.f0984795.0..Via: SIP/2.0/UDP 161.30.94.151..Server: Free World Dialup (0.
  8.11rc3 (i386/linux))..Content-Length: 0....
#
U 161.30.94.136:5060 -> 192.246.69.223:5060
  ACK sip:612@fwd.pulver.com. SIP/2.0..Via: SIP/2.0/UDP 161.30.94.136;branch=z9hG4bK8202.f0984795.0..From: sip:test
  3@sip.dev.inmarsat.com;tag=3c1349..Call-Id: call-1092217006-84@161.30.94.151..To: sip:83930612@sip.dev.inmarsat.c
  om;tag=ec5154884c15db89cef5049aa4f06328.3df1..Cseq: 1 ACK..User-Agent: Sip EXpress router(0.8.14 (i386/linux))..C
  ontent-Length: 0....
#
U 161.30.94.136:5060 -> 161.30.94.151:5060
  SIP/2.0 483 Too Many Hops..From: sip:test3@sip.dev.inmarsat.com;tag=3c1349..To: sip:83930612@sip.dev.inmarsat.com
  ;tag=ec5154884c15db89cef5049aa4f06328.3df1..Call-Id: call-1092217006-84@161.30.94.151..Cseq: 1 INVITE..Via: SIP/2
  .0/UDP 161.30.94.151..Server: Free World Dialup (0.8.11rc3 (i386/linux))..Content-Length: 0....
#
U 161.30.94.151:1494 -> 161.30.94.136:5060
  ACK sip:83930612@sip.dev.inmarsat.com SIP/2.0..Contact: sip:test3@161.30.94.151..From: sip:test3@sip.dev.inmarsat
  .com;tag=3c1349..To: sip:83930612@sip.dev.inmarsat.com;tag=ec5154884c15db89cef5049aa4f06328.3df1..Call-Id: call-1
  092217006-84@161.30.94.151..Cseq: 1 ACK..Accept-Language: en..User-Agent: Pingtel/2.1.11 (VxWorks)..Date: Wed, 11
   Aug 2004 09:36:50 GMT..Via: SIP/2.0/UDP 161.30.94.151..Content-Length: 0....