None - sr-users

14 Dec 2022


      ACK messages SER keeps sending the 487 Request
cancelled message as if the ACK didn't match.
Any suggestion of what it can be?
I'm using as the endpoint an ATA186, v2.15, and ser
version 0.8.11.
Best Regards,
Alejandro
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------=_NextPart_000_0009_01C322CD.41C9F360
Content-Type: text/plain;
    name="remote.ata.txt"
Content-Transfer-Encoding: 7bit
Content-Disposition: attachment;
    filename="remote.ata.txt"
interface: eth0 (200.75.73.0/255.255.255.0)
filter: ip and ( port 5060 )
#
U 200.75.73.22:5060 -> 200.75.91.137:5060
  INVITE sip:2001@200.75.91.137:5060;user=phone;transport=udp SIP/2.0..M
  ax-Forwards: 10..Record-Route: sip:2001@200.75.73.22;branch=0..Via: 
  SIP/2.0/UDP 200.75.73.22;branch=z9hG4bK6258.c171e2f6.0..Via: SIP/2.0/U
  DP 192.168.0.15:5061..From: sip:1010@vozsobreip.biz;user=phone;tag=9
  28411572..To: sip:2001@vozsobreip.biz;user=phone..Call-ID: 329755117
  1@192.168.0.15..CSeq: 1 INVITE..Contact: <sip:1010@200.75.73.22:5061;u
  ser=phone;transport=udp>..User-Agent: Cisco ATA 186  v2.15 ata18x (030
  122a)..Expires: 300..Content-Length: 245..Content-Type: application/sd
  p....v=0..o=1010 8066 8066 IN IP4 192.168.0.15..s=ATA186 Call..c=IN IP
  4 200.75.73.22..t=0 0..m=audio 20002 RTP/AVP 4 8 0 101..a=rtpmap:4 G72
  3/8000/1..a=rtpmap:8 PCMA/8000/1..a=rtpmap:0 PCMU/8000/1..a=rtpmap:101
   telephone-event/8000..a=fmtp:101 0-15..                              
#
U 200.75.91.137:5060 -> 200.75.73.22:5060
  SIP/2.0 100 Trying..Via: SIP/2.0/UDP 200.75.73.22;branch=z9hG4bK6258.c
  171e2f6.0..Via: SIP/2.0/UDP 192.168.0.15:5061..From: <sip:1010@vozsobr
  eip.biz;user=phone>;tag=928411572..To: <sip:2001@vozsobreip.biz;user=p
  hone>;tag=3742565922..Call-ID: 3297551171@192.168.0.15..CSeq: 1 INVITE
  ..Server: Cisco ATA 186  v2.15 ata18x (030122a)..Content-Length: 0....
#
U 200.75.91.137:5060 -> 200.75.73.22:5060
  SIP/2.0 180 Ringing..Via: SIP/2.0/UDP 200.75.73.22;branch=z9hG4bK6258.
  c171e2f6.0..Via: SIP/2.0/UDP 192.168.0.15:5061..From: <sip:1010@vozsob
  reip.biz;user=phone>;tag=928411572..To: <sip:2001@vozsobreip.biz;user=
  phone>;tag=3742565922..Call-ID: 3297551171@192.168.0.15..CSeq: 1 INVIT
  E..Server: Cisco ATA 186  v2.15 ata18x (030122a)..Content-Length: 0...
  .                                                                     
#
U 200.75.73.22:5060 -> 200.75.91.137:5060
  CANCEL sip:2001@200.75.91.137:5060;user=phone;transport=udp SIP/2.0..M
  ax-Forwards: 10..Via: SIP/2.0/UDP 200.75.73.22;branch=z9hG4bK6258.c171
  e2f6.0..Via: SIP/2.0/UDP 192.168.0.15:5061..From: <sip:1010@vozsobreip
  .biz;user=phone>;tag=928411572..To: <sip:2001@vozsobreip.biz;user=phon
  e>..Call-ID: 3297551171@192.168.0.15..CSeq: 1 CANCEL..User-Agent: Cisc
  o ATA 186  v2.15 ata18x (030122a)..Content-Length: 0....              
#
U 200.75.73.22:5060 -> 200.75.91.137:5060
  ACK sip:2001@200.75.91.137:5060;user=phone;transport=udp SIP/2.0..Max-
  Forwards: 10..Via: SIP/2.0/UDP 200.75.73.22;branch=0..Via: SIP/2.0/UDP
   192.168.0.15:5061..From: sip:1010@vozsobreip.biz;user=phone;tag=928
  411572..To: sip:2001@vozsobreip.biz;user=phone;tag=0a96755a1d32d0360
  b3e454593e5079b-f4f8..Call-ID: 3297551171@192.168.0.15..CSeq: 1 ACK..U
  ser-Agent: Cisco ATA 186  v2.15 ata18x (030122a)..Content-Length: 0...
  .                                                                     
#
U 200.75.91.137:5060 -> 200.75.73.22:5060
  SIP/2.0 200 OK..Via: SIP/2.0/UDP 200.75.73.22;branch=z9hG4bK6258.c171e
  2f6.0..Via: SIP/2.0/UDP 192.168.0.15:5061..From: <sip:1010@vozsobreip.
  biz;user=phone>;tag=928411572..To: <sip:2001@vozsobreip.biz;user=phone
...
;tag=3742565922..Call-ID: 3297551171@192.168.0.15..CSeq: 1 CANCEL..Se
rver: Cisco ATA 186  v2.15 ata18x (030122a)..Content-Length: 0....    
#
U 200.75.91.137:5060 -> 200.75.73.22:5060
  SIP/2.0 487 Request Cancelled..Via: SIP/2.0/UDP 200.75.73.22;branch=z9
  hG4bK6258.c171e2f6.0..Via: SIP/2.0/UDP 192.168.0.15:5061..From: <sip:1
  010@vozsobreip.biz;user=phone>;tag=928411572..To: <sip:2001@vozsobreip
  .biz;user=phone>;tag=3742565922..Call-ID: 3297551171@192.168.0.15..CSe
  q: 1 INVITE..Server: Cisco ATA 186  v2.15 ata18x (030122a)..Content-Le
  ngth: 0....                                                           
#
U 200.75.73.22:5060 -> 200.75.91.137:5060
  ACK sip:2001@200.75.91.137:5060;user=phone;transport=udp SIP/2.0..Via:
   SIP/2.0/UDP 200.75.73.22;branch=z9hG4bK6258.c171e2f6.0..From: <sip:10
  10@vozsobreip.biz;user=phone>;tag=928411572..Call-ID: 3297551171@192.1
  68.0.15..To: sip:2001@vozsobreip.biz;user=phone;tag=3742565922..CSeq
  : 1 ACK..User-Agent: Sip EXpress router(0.8.10 (i386/linux))..Content-
  Length: 0....                                                         
#
U 200.75.73.22:5060 -> 200.75.91.137:5060
  ACK sip:2001@200.75.91.137:5060;user=phone;transport=udp SIP/2.0..Max-
  Forwards: 10..Via: SIP/2.0/UDP 200.75.73.22;branch=0..Via: SIP/2.0/UDP
   192.168.0.15:5061..From: sip:1010@vozsobreip.biz;user=phone;tag=928
  411572..To: sip:2001@vozsobreip.biz;user=phone;tag=0a96755a1d32d0360
  b3e454593e5079b-f4f8..Call-ID: 3297551171@192.168.0.15..CSeq: 1 ACK..U
  ser-Agent: Cisco ATA 186  v2.15 ata18x (030122a)..Content-Length: 0...
  .                                                                     
#
U 200.75.73.22:5060 -> 200.75.91.137:5060
  ACK sip:2001@200.75.91.137:5060;user=phone;transport=udp SIP/2.0..Max-
  Forwards: 10..Via: SIP/2.0/UDP 200.75.73.22;branch=0..Via: SIP/2.0/UDP
   192.168.0.15:5061..From: sip:1010@vozsobreip.biz;user=phone;tag=928
  411572..To: sip:2001@vozsobreip.biz;user=phone;tag=0a96755a1d32d0360
  b3e454593e5079b-f4f8..Call-ID: 3297551171@192.168.0.15..CSeq: 1 ACK..U
  ser-Agent: Cisco ATA 186  v2.15 ata18x (030122a)..Content-Length: 0...
  .                                                                     
#
U 200.75.73.22:5060 -> 200.75.91.137:5060
  ACK sip:2001@200.75.91.137:5060;user=phone;transport=udp SIP/2.0..Max-
  Forwards: 10..Via: SIP/2.0/UDP 200.75.73.22;branch=0..Via: SIP/2.0/UDP
   192.168.0.15:5061..From: sip:1010@vozsobreip.biz;user=phone;tag=928
  411572..To: sip:2001@vozsobreip.biz;user=phone;tag=0a96755a1d32d0360
  b3e454593e5079b-f4f8..Call-ID: 3297551171@192.168.0.15..CSeq: 1 ACK..U
  ser-Agent: Cisco ATA 186  v2.15 ata18x (030122a)..Content-Length: 0...
  .                                                                     
#
U 200.75.73.22:5060 -> 200.75.91.137:5060
  ACK sip:2001@200.75.91.137:5060;user=phone;transport=udp SIP/2.0..Max-
  Forwards: 10..Via: SIP/2.0/UDP 200.75.73.22;branch=0..Via: SIP/2.0/UDP
   192.168.0.15:5061..From: sip:1010@vozsobreip.biz;user=phone;tag=928
  411572..To: sip:2001@vozsobreip.biz;user=phone;tag=0a96755a1d32d0360
  b3e454593e5079b-f4f8..Call-ID: 3297551171@192.168.0.15..CSeq: 1 ACK..U
  ser-Agent: Cisco ATA 186  v2.15 ata18x (030122a)..Content-Length: 0...
  .                                                                     
#
U 200.75.73.22:5060 -> 200.75.91.137:5060
  ACK sip:2001@200.75.91.137:5060;user=phone;transport=udp SIP/2.0..Max-
  Forwards: 10..Via: SIP/2.0/UDP 200.75.73.22;branch=0..Via: SIP/2.0/UDP
   192.168.0.15:5061..From: sip:1010@vozsobreip.biz;user=phone;tag=928
  411572..To: sip:2001@vozsobreip.biz;user=phone;tag=0a96755a1d32d0360
  b3e454593e5079b-f4f8..Call-ID: 3297551171@192.168.0.15..CSeq: 1 ACK..U
  ser-Agent: Cisco ATA 186  v2.15 ata18x (030122a)..Content-Length: 0...
  .                                                                     
#
U 200.75.73.22:5060 -> 200.75.91.137:5060
  ACK sip:2001@200.75.91.137:5060;user=phone;transport=udp SIP/2.0..Max-
  Forwards: 10..Via: SIP/2.0/UDP 200.75.73.22;branch=0..Via: SIP/2.0/UDP
   192.168.0.15:5061..From: sip:1010@vozsobreip.biz;user=phone;tag=928
  411572..To: sip:2001@vozsobreip.biz;user=phone;tag=0a96755a1d32d0360
  b3e454593e5079b-f4f8..Call-ID: 3297551171@192.168.0.15..CSeq: 1 ACK..U
  ser-Agent: Cisco ATA 186  v2.15 ata18x (030122a)..Content-Length: 0...
  .                                                                     
#
U 200.75.73.22:5060 -> 200.75.91.137:5060
  ACK sip:2001@200.75.91.137:5060;user=phone;transport=udp SIP/2.0..Max-
  Forwards: 10..Via: SIP/2.0/UDP 200.75.73.22;branch=0..Via: SIP/2.0/UDP
   192.168.0.15:5061..From: sip:1010@vozsobreip.biz;user=phone;tag=928
  411572..To: sip:2001@vozsobreip.biz;user=phone;tag=0a96755a1d32d0360
  b3e454593e5079b-f4f8..Call-ID: 3297551171@192.168.0.15..CSeq: 1 ACK..U
  ser-Agent: Cisco ATA 186  v2.15 ata18x (030122a)..Content-Length: 0...
  .                                                                     
exit
------=_NextPart_000_0009_01C322CD.41C9F360
Content-Type: text/plain;
    name="local.ata.txt"
Content-Transfer-Encoding: 7bit
Content-Disposition: attachment;
    filename="local.ata.txt"
interface: eth1 (192.168.0.0/255.255.255.0)
filter: ip and ( port 5060 )
#
U 192.168.0.15:5061 -> 200.75.73.22:5060
  INVITE sip:2001@vozsobreip.biz;user=phone SIP/2.0..Via: SIP/2.0/UDP 19
  2.168.0.15:5061..From: sip:1010@vozsobreip.biz;user=phone;tag=928411
  572..To: sip:2001@vozsobreip.biz;user=phone..Call-ID: 3297551171@192
  .168.0.15..CSeq: 1 INVITE..Contact: <sip:1010@200.75.73.22:5061;user=p
  hone;transport=udp>..User-Agent: Cisco ATA 186  v2.15 ata18x (030122a)
  ..Expires: 300..Content-Length: 245..Content-Type: application/sdp....
  v=0..o=1010 8066 8066 IN IP4 192.168.0.15..s=ATA186 Call..c=IN IP4 200
  .75.73.22..t=0 0..m=audio 20002 RTP/AVP 4 8 0 101..a=rtpmap:4 G723/800
  0/1..a=rtpmap:8 PCMA/8000/1..a=rtpmap:0 PCMU/8000/1..a=rtpmap:101 tele
  phone-event/8000..a=fmtp:101 0-15..                                   
#
U 200.75.73.22:5060 -> 192.168.0.15:5061
  SIP/2.0 100 trying -- your call is important to us..Via: SIP/2.0/UDP 1
  92.168.0.15:5061..From: sip:1010@vozsobreip.biz;user=phone;tag=92841
  1572..To: sip:2001@vozsobreip.biz;user=phone..Call-ID: 3297551171@19
  2.168.0.15..CSeq: 1 INVITE..Server: Sip EXpress router (0.8.10 (i386/l
  inux))..Content-Length: 0..Warning: 392 200.75.73.22:5060 "Noisy feedb
  ack tells: pid=32747 req_src_ip=192.168.0.15 in_uri=sip:2001@vozsobrei
  p.biz;user=phone out_uri=sip:2001@200.75.91.137:5060;user=phone;transp
  ort=udp via_cnt==1"....                                               
#
U 200.75.73.22:5060 -> 192.168.0.15:5061
  SIP/2.0 180 Ringing..Via: SIP/2.0/UDP 192.168.0.15:5061..From: <sip:10
  10@vozsobreip.biz;user=phone>;tag=928411572..To: <sip:2001@vozsobreip.
  biz;user=phone>;tag=3742565922..Call-ID: 3297551171@192.168.0.15..CSeq
  : 1 INVITE..Server: Cisco ATA 186  v2.15 ata18x (030122a)..Content-Len
  gth: 0....                                                            
#
U 192.168.0.15:5061 -> 200.75.73.22:5060
  CANCEL sip:2001@vozsobreip.biz;user=phone SIP/2.0..Via: SIP/2.0/UDP 19
  2.168.0.15:5061..From: sip:1010@vozsobreip.biz;user=phone;tag=928411
  572..To: sip:2001@vozsobreip.biz;user=phone..Call-ID: 3297551171@192
  .168.0.15..CSeq: 1 CANCEL..User-Agent: Cisco ATA 186  v2.15 ata18x (03
  0122a)..Content-Length: 0....                                         
#
U 200.75.73.22:5060 -> 192.168.0.15:5061
  SIP/2.0 200 cancelling..Via: SIP/2.0/UDP 192.168.0.15:5061..From: <sip
  :1010@vozsobreip.biz;user=phone>;tag=928411572..To: <sip:2001@vozsobre
  ip.biz;user=phone>;tag=0a96755a1d32d0360b3e454593e5079b-f4f8..Call-ID:
   3297551171@192.168.0.15..CSeq: 1 CANCEL..Server: Sip EXpress router (
  0.8.10 (i386/linux))..Content-Length: 0..Warning: 392 200.75.73.22:506
  0 "Noisy feedback tells: pid=32746 req_src_ip=192.168.0.15 in_uri=sip:
  2001@vozsobreip.biz;user=phone out_uri=sip:2001@200.75.91.137:5060;use
  r=phone;transport=udp via_cnt==1"....                                 
#
U 200.75.73.22:5060 -> 192.168.0.15:5061
  SIP/2.0 487 Request cancelled..Via: SIP/2.0/UDP 192.168.0.15:5061..Fro
  m: sip:1010@vozsobreip.biz;user=phone;tag=928411572..To: <sip:2001@v
  ozsobreip.biz;user=phone>;tag=0a96755a1d32d0360b3e454593e5079b-f4f8..C
  all-ID: 3297551171@192.168.0.15..CSeq: 1 INVITE..Server: Sip EXpress r
  outer (0.8.10 (i386/linux))..Content-Length: 0..Warning: 392 200.75.73
  .22:5060 "Noisy feedback tells: pid=32746 req_src_ip=192.168.0.15 in_u
  ri=sip:2001@vozsobreip.biz;user=phone out_uri=sip:2001@200.75.91.137:5
  060;user=phone;transport=udp via_cnt==1"....                          
#
U 192.168.0.15:5061 -> 200.75.73.22:5060
  ACK sip:2001@vozsobreip.biz:5060 SIP/2.0..Via: SIP/2.0/UDP 192.168.0.1
  5:5061..From: sip:1010@vozsobreip.biz;user=phone;tag=928411572..To: 
  sip:2001@vozsobreip.biz;user=phone;tag=0a96755a1d32d0360b3e454593e50
  79b-f4f8..Call-ID: 3297551171@192.168.0.15..CSeq: 1 ACK..User-Agent: C
  isco ATA 186  v2.15 ata18x (030122a)..Content-Length: 0....           
#
U 200.75.73.22:5060 -> 192.168.0.15:5061
  SIP/2.0 487 Request cancelled..Via: SIP/2.0/UDP 192.168.0.15:5061..Fro
  m: sip:1010@vozsobreip.biz;user=phone;tag=928411572..To: <sip:2001@v
  ozsobreip.biz;user=phone>;tag=0a96755a1d32d0360b3e454593e5079b-f4f8..C
  all-ID: 3297551171@192.168.0.15..CSeq: 1 INVITE..Server: Sip EXpress r
  outer (0.8.10 (i386/linux))..Content-Length: 0..Warning: 392 200.75.73
  .22:5060 "Noisy feedback tells: pid=32746 req_src_ip=192.168.0.15 in_u
  ri=sip:2001@vozsobreip.biz;user=phone out_uri=sip:2001@200.75.91.137:5
  060;user=phone;transport=udp via_cnt==1"....                          
#
U 192.168.0.15:5061 -> 200.75.73.22:5060
  ACK sip:2001@vozsobreip.biz:5060 SIP/2.0..Via: SIP/2.0/UDP 192.168.0.1
  5:5061..From: sip:1010@vozsobreip.biz;user=phone;tag=928411572..To: 
  sip:2001@vozsobreip.biz;user=phone;tag=0a96755a1d32d0360b3e454593e50
  79b-f4f8..Call-ID: 3297551171@192.168.0.15..CSeq: 1 ACK..User-Agent: C
  isco ATA 186  v2.15 ata18x (030122a)..Content-Length: 0....           
#
U 200.75.73.22:5060 -> 192.168.0.15:5061
  SIP/2.0 487 Request cancelled..Via: SIP/2.0/UDP 192.168.0.15:5061..Fro
  m: sip:1010@vozsobreip.biz;user=phone;tag=928411572..To: <sip:2001@v
  ozsobreip.biz;user=phone>;tag=0a96755a1d32d0360b3e454593e5079b-f4f8..C
  all-ID: 3297551171@192.168.0.15..CSeq: 1 INVITE..Server: Sip EXpress r
  outer (0.8.10 (i386/linux))..Content-Length: 0..Warning: 392 200.75.73
  .22:5060 "Noisy feedback tells: pid=32746 req_src_ip=192.168.0.15 in_u
  ri=sip:2001@vozsobreip.biz;user=phone out_uri=sip:2001@200.75.91.137:5
  060;user=phone;transport=udp via_cnt==1"....                          
#
U 192.168.0.15:5061 -> 200.75.73.22:5060
  ACK sip:2001@vozsobreip.biz:5060 SIP/2.0..Via: SIP/2.0/UDP 192.168.0.1
  5:5061..From: sip:1010@vozsobreip.biz;user=phone;tag=928411572..To: 
  sip:2001@vozsobreip.biz;user=phone;tag=0a96755a1d32d0360b3e454593e50
  79b-f4f8..Call-ID: 3297551171@192.168.0.15..CSeq: 1 ACK..User-Agent: C
  isco ATA 186  v2.15 ata18x (030122a)..Content-Length: 0....           
#
U 200.75.73.22:5060 -> 192.168.0.15:5061
  SIP/2.0 487 Request cancelled..Via: SIP/2.0/UDP 192.168.0.15:5061..Fro
  m: sip:1010@vozsobreip.biz;user=phone;tag=928411572..To: <sip:2001@v
  ozsobreip.biz;user=phone>;tag=0a96755a1d32d0360b3e454593e5079b-f4f8..C
  all-ID: 3297551171@192.168.0.15..CSeq: 1 INVITE..Server: Sip EXpress r
  outer (0.8.10 (i386/linux))..Content-Length: 0..Warning: 392 200.75.73
  .22:5060 "Noisy feedback tells: pid=32746 req_src_ip=192.168.0.15 in_u
  ri=sip:2001@vozsobreip.biz;user=phone out_uri=sip:2001@200.75.91.137:5
  060;user=phone;transport=udp via_cnt==1"....                          
#
U 192.168.0.15:5061 -> 200.75.73.22:5060
  ACK sip:2001@vozsobreip.biz:5060 SIP/2.0..Via: SIP/2.0/UDP 192.168.0.1
  5:5061..From: sip:1010@vozsobreip.biz;user=phone;tag=928411572..To: 
  sip:2001@vozsobreip.biz;user=phone;tag=0a96755a1d32d0360b3e454593e50
  79b-f4f8..Call-ID: 3297551171@192.168.0.15..CSeq: 1 ACK..User-Agent: C
  isco ATA 186  v2.15 ata18x (030122a)..Content-Length: 0....           
#
U 200.75.73.22:5060 -> 192.168.0.15:5061
  SIP/2.0 487 Request cancelled..Via: SIP/2.0/UDP 192.168.0.15:5061..Fro
  m: sip:1010@vozsobreip.biz;user=phone;tag=928411572..To: <sip:2001@v
  ozsobreip.biz;user=phone>;tag=0a96755a1d32d0360b3e454593e5079b-f4f8..C
  all-ID: 3297551171@192.168.0.15..CSeq: 1 INVITE..Server: Sip EXpress r
  outer (0.8.10 (i386/linux))..Content-Length: 0..Warning: 392 200.75.73
  .22:5060 "Noisy feedback tells: pid=32746 req_src_ip=192.168.0.15 in_u
  ri=sip:2001@vozsobreip.biz;user=phone out_uri=sip:2001@200.75.91.137:5
  060;user=phone;transport=udp via_cnt==1"....                          
#
U 192.168.0.15:5061 -> 200.75.73.22:5060
  ACK sip:2001@vozsobreip.biz:5060 SIP/2.0..Via: SIP/2.0/UDP 192.168.0.1
  5:5061..From: sip:1010@vozsobreip.biz;user=phone;tag=928411572..To: 
  sip:2001@vozsobreip.biz;user=phone;tag=0a96755a1d32d0360b3e454593e50
  79b-f4f8..Call-ID: 3297551171@192.168.0.15..CSeq: 1 ACK..User-Agent: C
  isco ATA 186  v2.15 ata18x (030122a)..Content-Length: 0....           
#
U 200.75.73.22:5060 -> 192.168.0.15:5061
  SIP/2.0 487 Request cancelled..Via: SIP/2.0/UDP 192.168.0.15:5061..Fro
  m: sip:1010@vozsobreip.biz;user=phone;tag=928411572..To: <sip:2001@v
  ozsobreip.biz;user=phone>;tag=0a96755a1d32d0360b3e454593e5079b-f4f8..C
  all-ID: 3297551171@192.168.0.15..CSeq: 1 INVITE..Server: Sip EXpress r
  outer (0.8.10 (i386/linux))..Content-Length: 0..Warning: 392 200.75.73
  .22:5060 "Noisy feedback tells: pid=32746 req_src_ip=192.168.0.15 in_u
  ri=sip:2001@vozsobreip.biz;user=phone out_uri=sip:2001@200.75.91.137:5
  060;user=phone;transport=udp via_cnt==1"....                          
#
U 192.168.0.15:5061 -> 200.75.73.22:5060
  ACK sip:2001@vozsobreip.biz:5060 SIP/2.0..Via: SIP/2.0/UDP 192.168.0.1
  5:5061..From: sip:1010@vozsobreip.biz;user=phone;tag=928411572..To: 
  sip:2001@vozsobreip.biz;user=phone;tag=0a96755a1d32d0360b3e454593e50
  79b-f4f8..Call-ID: 3297551171@192.168.0.15..CSeq: 1 ACK..User-Agent: C
  isco ATA 186  v2.15 ata18x (030122a)..Content-Length: 0....           
#
U 200.75.73.22:5060 -> 192.168.0.15:5061
  SIP/2.0 487 Request cancelled..Via: SIP/2.0/UDP 192.168.0.15:5061..Fro
  m: sip:1010@vozsobreip.biz;user=phone;tag=928411572..To: <sip:2001@v
  ozsobreip.biz;user=phone>;tag=0a96755a1d32d0360b3e454593e5079b-f4f8..C
  all-ID: 3297551171@192.168.0.15..CSeq: 1 INVITE..Server: Sip EXpress r
  outer (0.8.10 (i386/linux))..Content-Length: 0..Warning: 392 200.75.73
  .22:5060 "Noisy feedback tells: pid=32746 req_src_ip=192.168.0.15 in_u
  ri=sip:2001@vozsobreip.biz;user=phone out_uri=sip:2001@200.75.91.137:5
  060;user=phone;transport=udp via_cnt==1"....                          
#
U 192.168.0.15:5061 -> 200.75.73.22:5060
  ACK sip:2001@vozsobreip.biz:5060 SIP/2.0..Via: SIP/2.0/UDP 192.168.0.1
  5:5061..From: sip:1010@vozsobreip.biz;user=phone;tag=928411572..To: 
  sip:2001@vozsobreip.biz;user=phone;tag=0a96755a1d32d0360b3e454593e50
  79b-f4f8..Call-ID: 3297551171@192.168.0.15..CSeq: 1 ACK..User-Agent: C
  isco ATA 186  v2.15 ata18x (030122a)..Content-Length: 0....           
#
U 200.75.73.22:5060 -> 192.168.0.15:5061
  SIP/2.0 487 Request cancelled..Via: SIP/2.0/UDP 192.168.0.15:5061..Fro
  m: sip:1010@vozsobreip.biz;user=phone;tag=928411572..To: <sip:2001@v
  ozsobreip.biz;user=phone>;tag=0a96755a1d32d0360b3e454593e5079b-f4f8..C
  all-ID: 3297551171@192.168.0.15..CSeq: 1 INVITE..Server: Sip EXpress r
  outer (0.8.10 (i386/linux))..Content-Length: 0..Warning: 392 200.75.73
  .22:5060 "Noisy feedback tells: pid=32746 req_src_ip=192.168.0.15 in_u
  ri=sip:2001@vozsobreip.biz;user=phone out_uri=sip:2001@200.75.91.137:5
  060;user=phone;transport=udp via_cnt==1"....                          
#
U 192.168.0.15:5061 -> 200.75.73.22:5060
  ACK sip:2001@vozsobreip.biz:5060 SIP/2.0..Via: SIP/2.0/UDP 192.168.0.1
  5:5061..From: sip:1010@vozsobreip.biz;user=phone;tag=928411572..To: 
  sip:2001@vozsobreip.biz;user=phone;tag=0a96755a1d32d0360b3e454593e50
  79b-f4f8..Call-ID: 3297551171@192.168.0.15..CSeq: 1 ACK..User-Agent: C
  isco ATA 186  v2.15 ata18x (030122a)..Content-Length: 0....           
exit
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