[Serusers] Re: SER CANCEL Processing

Mik Cheez michael_bulk at wildgate.com
Thu May 26 19:46:04 CEST 2005


Are you relaying the cancel message to the other side?

        if (method=="CANCEL"){
                t_relay();
        };

a c wrote:

>any ideas anyone? seems like SER does not respond to
>CANCEL requests and eventually takes the failure
>route. 
>
>I have the following in my failure route, but it never
>gets hit, since SER does not send the 200 OK back or
>pass the CANCEL message forward. log file attached.
>
>failure_route[1] 
>{      
>    if(t_check_status("487")) { 
>     # don't continue on cancellation
>     xlog("L_WARN", "OH OH OH\n");
>     break;
>   }
>
>ac
>
>
>--- a c <lra101 at yahoo.com> wrote:
>
>  
>
>>Seems like SER does not respond back to CANCEL 
>>Requests. Is this a issue / some config problem on
>>my
>>side?  ngrep traces attached
>>
>>interface: eth0 (192.168.0.0/255.255.255.0)
>>filter: ip and ( port 5060 )
>>#
>>U 192.168.0.2:5062 -> 192.168.0.5:5060
>>  INVITE sip:9999999999 at voip.com SIP/2.0..Via:
>>SIP/2.0/UDP 192.168.0.2:5062;r
>> 
>>
>>    
>>
>port;branch=z9hG4bKE29503D9D8CF4A479B6D9DDB17C5CFC1..From:
>  
>
>>102 <sip:102 at voi
>>  p.com:5062>;tag=3282942385..To:
>><sip:9999999999 at voip.com>..Contact: <sip:10
>>  2 at 192.168.0.2:5062>..Call-ID:
>>29469D19-CDF1-49ED-8245-A67E1B1DBB88 at 192.168.
>>  0.2..CSeq: 940 INVITE..Max-Forwards:
>>70..Content-Type: application/sdp..Use
>>  r-Agent: X-Lite release 1103m..Content-Length:
>>258....v=0..o=102 7659613 76
>>  59633 IN IP4 192.168.0.2..s=X-Lite..c=IN IP4
>>192.168.0.2..t=0 0..m=audio 80
>>  00 RTP/AVP 0 8 3 98 96..a=rtpmap:0
>>pcmu/8000..a=rtpmap:8 pcma/8000..a=rtpma
>>  p:3 gsm/8000..a=rtpmap:98 iLBC/8000..a=rtpmap:96
>>telephone-event/8000..a=fm
>>  tp:96 0-15..                                      
>> 
>>                      
>>#
>>U 192.168.0.5:5060 -> 192.168.0.2:5062
>>  SIP/2.0 100 trying -- your call is important to
>>us..Via: SIP/2.0/UDP 192.16
>> 
>>
>>    
>>
>8.0.2:5062;rport=5062;branch=z9hG4bKE29503D9D8CF4A479B6D9DDB17C5CFC1..From:
>  
>
>>   102 <sip:102 at voip.com:5062>;tag=3282942385..To:
>><sip:9999999999 at voip.com>.
>>  .Call-ID:
>>
>>    
>>
>29469D19-CDF1-49ED-8245-A67E1B1DBB88 at 192.168.0.2..CSeq:
>  
>
>>940 INVIT
>>  E..Server: Sip EXpress router (0.9.2
>>(i386/linux))..Content-Length: 0..Warn
>>  ing: 392 192.168.0.5:5060 "Noisy feedback tells: 
>>pid=2943 req_src_ip=192.1
>>  68.0.2 req_src_port=5062
>>in_uri=sip:9999999999 at voip.com out_uri=sip:9999999
>>  999 at voip.com via_cnt==1"....                      
>> 
>>                      
>>#
>>U 192.168.0.5:5060 -> 192.168.0.3:5060
>>  INVITE sip:9999999999 at voip.com
>>SIP/2.0..Record-Route: <sip:192.168.0.5;ftag
>>  =3282942385;lr=on>..Via: SIP/2.0/UDP
>>192.168.0.5;branch=z9hG4bKe034.1018c5d
>>  1.0..Via: SIP/2.0/UDP
>>
>>    
>>
>192.168.0.2:5062;rport=5062;branch=z9hG4bKE29503D9D8C
>  
>
>>  F4A479B6D9DDB17C5CFC1..From: 102
>><sip:102 at voip.com:5062>;tag=3282942385..To
>>  : <sip:9999999999 at voip.com>..Contact:
>><sip:102 at 192.168.0.2:5062>..Call-ID: 
>> 
>>
>>    
>>
>29469D19-CDF1-49ED-8245-A67E1B1DBB88 at 192.168.0.2..CSeq:
>  
>
>>940 INVITE..Max-For
>>  wards: 16..Content-Type:
>>application/sdp..User-Agent: X-Lite release 1103m.
>>  .Content-Length: 258....v=0..o=102 7659613 7659633
>>IN IP4 192.168.0.2..s=X-
>>  Lite..c=IN IP4 192.168.0.2..t=0 0..m=audio 8000
>>RTP/AVP 0 8 3 98 96..a=rtpm
>>  ap:0 pcmu/8000..a=rtpmap:8 pcma/8000..a=rtpmap:3
>>gsm/8000..a=rtpmap:98 iLBC
>>  /8000..a=rtpmap:96 telephone-event/8000..a=fmtp:96
>>0-15..                  
>>#
>>U 192.168.0.3:5060 -> 192.168.0.5:5060
>>  SIP/2.0 100 Trying..From: 102
>><sip:102 at voip.com:5062>;tag=3282942385..To: <
>>  sip:9999999999 at voip.com>..Call-Id:
>>29469D19-CDF1-49ED-8245-A67E1B1DBB88 at 192
>>  .168.0.2..Cseq: 940 INVITE..Via: SIP/2.0/UDP
>>192.168.0.5;branch=z9hG4bKe034
>>  .1018c5d1.0..Via: SIP/2.0/UDP
>>192.168.0.2:5062;rport=5062;branch=z9hG4bKE29
>>  503D9D8CF4A479B6D9DDB17C5CFC1..Content-Length:
>>0....
>>                      
>>#
>>U 192.168.0.3:5060 -> 192.168.0.5:5060
>>  SIP/2.0 180 Ringing..From: 102
>><sip:102 at voip.com:5062>;tag=3282942385..To: 
>>  <sip:9999999999 at voip.com>;tag=27378..Call-Id:
>>29469D19-CDF1-49ED-8245-A67E1
>>  B1DBB88 at 192.168.0.2..Cseq: 940 INVITE..Via:
>>SIP/2.0/UDP 192.168.0.5;branch=
>>  z9hG4bKe034.1018c5d1.0..Via: SIP/2.0/UDP
>>192.168.0.2:5062;rport=5062;branch
>>  =z9hG4bKE29503D9D8CF4A479B6D9DDB17C5CFC1..Date:
>>Mon,
>>23 May 2005 22:15:14 G
>>  MT..Contact: sip:192.168.0.3..User-Agent:
>>sipX/2.5.2
>>(WinNT)..Accept-Langua
>>  ge: en..Allow: INVITE, ACK, CANCEL, BYE, REFER,
>>OPTIONS, NOTIFY, REGISTER, 
>>  SUBSCRIBE..Supported: sip-cc, sip-cc-01, timer,
>>replaces..Content-Length: 0
>>  ....                                              
>> 
>>                      
>>#
>>U 192.168.0.5:5060 -> 192.168.0.2:5062
>>  SIP/2.0 180 Ringing..From: 102
>><sip:102 at voip.com:5062>;tag=3282942385..To: 
>>  <sip:9999999999 at voip.com>;tag=27378..Call-Id:
>>29469D19-CDF1-49ED-8245-A67E1
>>  B1DBB88 at 192.168.0.2..Cseq: 940 INVITE..Via:
>>SIP/2.0/UDP 192.168.0.2:5062;rp
>> 
>>
>>    
>>
>ort=5062;branch=z9hG4bKE29503D9D8CF4A479B6D9DDB17C5CFC1..Date:
>  
>
>>Mon, 23 May 
>>  2005 22:15:14 GMT..Contact:
>>sip:192.168.0.3..User-Agent: sipX/2.5.2 (WinNT)
>>  ..Accept-Language: en..Allow: INVITE, ACK, CANCEL,
>>BYE, REFER, OPTIONS, NOT
>>  IFY, REGISTER, SUBSCRIBE..Supported: sip-cc,
>>sip-cc-01, timer, replaces..Co
>>  ntent-Length: 0....                               
>> 
>>                      
>>#
>>U 192.168.0.2:5062 -> 192.168.0.5:5060
>>  CANCEL sip:9999999999 at voip.com SIP/2.0..Via:
>>SIP/2.0/UDP 192.168.0.2:5062;r
>> 
>>
>>    
>>
>port;branch=z9hG4bKE29503D9D8CF4A479B6D9DDB17C5CFC1..From:
>  
>
>>102 <sip:102 at voi
>>  p.com:5062>;tag=3282942385..To:
>><sip:9999999999 at voip.com>..Contact: <sip:10
>>  2 at 192.168.0.2:5062>..Call-ID:
>>29469D19-CDF1-49ED-8245-A67E1B1DBB88 at 192.168.
>>  0.2..CSeq: 940 CANCEL..Max-Forwards:
>>70..User-Agent:
>>X-Lite release 1103m..
>>  Content-Length: 0....                             
>> 
>>                      
>>#
>>U 192.168.0.2:5062 -> 192.168.0.5:5060
>>  CANCEL sip:9999999999 at voip.com SIP/2.0..Via:
>>SIP/2.0/UDP 192.168.0.2:5062;r
>> 
>>
>>    
>>
>port;branch=z9hG4bKE29503D9D8CF4A479B6D9DDB17C5CFC1..From:
>  
>
>>102 <sip:102 at voi
>>  p.com:5062>;tag=3282942385..To:
>><sip:9999999999 at voip.com>..Contact: <sip:10
>>  2 at 192.168.0.2:5062>..Call-ID:
>>29469D19-CDF1-49ED-8245-A67E1B1DBB88 at 192.168.
>>  0.2..CSeq: 940 CANCEL..Max-Forwards:
>>70..User-Agent:
>>X-Lite release 1103m..
>>  Content-Length: 0....                             
>> 
>>                      
>>#
>>U 192.168.0.2:5062 -> 192.168.0.5:5060
>>  CANCEL sip:9999999999 at voip.com SIP/2.0..Via:
>>SIP/2.0/UDP 192.168.0.2:5062;r
>> 
>>
>>    
>>
>port;branch=z9hG4bKE29503D9D8CF4A479B6D9DDB17C5CFC1..From:
>  
>
>>102 <sip:102 at voi
>>  p.com:5062>;tag=3282942385..To:
>><sip:9999999999 at voip.com>..Contact: <sip:10
>>  2 at 192.168.0.2:5062>..Call-ID:
>>29469D19-CDF1-49ED-8245-A67E1B1DBB88 at 192.168.
>>  0.2..CSeq: 940 CANCEL..Max-Forwards:
>>70..User-Agent:
>>X-Lite release 1103m..
>>  Content-Length: 0....                             
>> 
>>                      
>>#
>>U 192.168.0.5:5060 -> 192.168.0.2:5062
>>  SIP/2.0 408 Request Timeout..Via: SIP/2.0/UDP
>>192.168.0.2:5062;rport=5062;b
>> 
>>ranch=z9hG4bKE29503D9D8CF4A479B6D9DDB17C5CFC1..From:
>>102 <sip:102 at voip.com:
>>  5062>;tag=3282942385..To:
>><sip:9999999999 at voip.com>;tag=a6a1c5f60faecf035a1
>>  ae5b6e96e979a-6e9f..Call-ID:
>>29469D19-CDF1-49ED-8245-A67E1B1DBB88 at 192.168.0
>>  .2..CSeq: 940 INVITE..Server: Sip EXpress router
>>(0.9.2 (i386/linux))..Cont
>>  ent-Length: 0..Warning: 392 192.168.0.5:5060
>>"Noisy
>>feedback tells:  pid=29
>>  51 req_src_ip=192.168.0.2 req_src_port=5062
>>in_uri=sip:9999999999 at voip.com 
>>
>>    
>>
>=== message truncated ===
>
>__________________________________________________
>Do You Yahoo!?
>Tired of spam?  Yahoo! Mail has the best spam protection around 
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>
>------------------------------------------------------------------------
>
>
><<< Log from 192.168.0.5 started May 26, 2005, 10:53:10 >>>
>#                                                                               
>U 192.168.0.2:5062 -> 192.168.0.5:5060
>  INVITE sip:9999999999 at voip.com SIP/2.0..Via: SIP/2.0/UDP 192.168.0.2:5062;r
>  port;branch=z9hG4bKC51A010562EF4A59816876A6DEACF5BF..From: 102 <sip:102 at voi
>  p.com:5062>;tag=2354273279..To: <sip:9999999999 at voip.com>..Contact: <sip:10
>  2 at 192.168.0.2:5062>..Call-ID: 60D7D848-8486-4E68-8191-05684A2A3EEF at 192.168.
>  0.2..CSeq: 55437 INVITE..Max-Forwards: 70..Content-Type: application/sdp..U
>  ser-Agent: X-Lite release 1103m..Content-Length: 262....v=0..o=102 24393782
>  4 243937884 IN IP4 192.168.0.2..s=X-Lite..c=IN IP4 192.168.0.2..t=0 0..m=au
>  dio 8000 RTP/AVP 0 8 3 98 96..a=rtpmap:0 pcmu/8000..a=rtpmap:8 pcma/8000..a
>  =rtpmap:3 gsm/8000..a=rtpmap:98 iLBC/8000..a=rtpmap:96 telephone-event/8000
>  ..a=fmtp:96 0-15..                                                         
>#
>U 192.168.0.5:5060 -> 192.168.0.2:5062
>  SIP/2.0 100 trying -- your call is important to us..Via: SIP/2.0/UDP 192.16
>  8.0.2:5062;rport=5062;branch=z9hG4bKC51A010562EF4A59816876A6DEACF5BF..From:
>   102 <sip:102 at voip.com:5062>;tag=2354273279..To: <sip:9999999999 at voip.com>.
>  .Call-ID: 60D7D848-8486-4E68-8191-05684A2A3EEF at 192.168.0.2..CSeq: 55437 INV
>  ITE..Server: Sip EXpress router (0.9.2 (i386/linux))..Content-Length: 0..Wa
>  rning: 392 192.168.0.5:5060 "Noisy feedback tells:  pid=991 req_src_ip=192.
>  168.0.2 req_src_port=5062 in_uri=sip:9999999999 at voip.com out_uri=sip:999999
>  9999 at voip.com via_cnt==1"....                                              
>#
>U 192.168.0.5:5060 -> 192.168.0.2:5060
>  INVITE sip:9999999999 at voip.com SIP/2.0..Record-Route: <sip:192.168.0.5;ftag
>  =2354273279;lr=on>..Via: SIP/2.0/UDP 192.168.0.5;branch=z9hG4bK078b.d58ef0f
>  1.0..Via: SIP/2.0/UDP 192.168.0.2:5062;rport=5062;branch=z9hG4bKC51A010562E
>  F4A59816876A6DEACF5BF..From: 102 <sip:102 at voip.com:5062>;tag=2354273279..To
>  : <sip:9999999999 at voip.com>..Contact: <sip:102 at 192.168.0.2:5062>..Call-ID: 
>  60D7D848-8486-4E68-8191-05684A2A3EEF at 192.168.0.2..CSeq: 55437 INVITE..Max-F
>  orwards: 16..Content-Type: application/sdp..User-Agent: X-Lite release 1103
>  m..Content-Length: 262....v=0..o=102 243937824 243937884 IN IP4 192.168.0.2
>  ..s=X-Lite..c=IN IP4 192.168.0.2..t=0 0..m=audio 8000 RTP/AVP 0 8 3 98 96..
>  a=rtpmap:0 pcmu/8000..a=rtpmap:8 pcma/8000..a=rtpmap:3 gsm/8000..a=rtpmap:9
>  8 iLBC/8000..a=rtpmap:96 telephone-event/8000..a=fmtp:96 0-15..            
>#
>U 192.168.0.2:5060 -> 192.168.0.5:5060
>  SIP/2.0 100 Trying..From: 102 <sip:102 at voip.com:5062>;tag=2354273279..To: <
>  sip:9999999999 at voip.com>..Call-Id: 60D7D848-8486-4E68-8191-05684A2A3EEF at 192
>  .168.0.2..Cseq: 55437 INVITE..Via: SIP/2.0/UDP 192.168.0.5;branch=z9hG4bK07
>  8b.d58ef0f1.0..Via: SIP/2.0/UDP 192.168.0.2:5062;rport=5062;branch=z9hG4bKC
>  51A010562EF4A59816876A6DEACF5BF..Content-Length: 0....                     
>#
>U 192.168.0.2:5060 -> 192.168.0.5:5060
>  SIP/2.0 180 Ringing..From: 102 <sip:102 at voip.com:5062>;tag=2354273279..To: 
>  <sip:9999999999 at voip.com>;tag=19901..Call-Id: 60D7D848-8486-4E68-8191-05684
>  A2A3EEF at 192.168.0.2..Cseq: 55437 INVITE..Via: SIP/2.0/UDP 192.168.0.5;branc
>  h=z9hG4bK078b.d58ef0f1.0..Via: SIP/2.0/UDP 192.168.0.2:5062;rport=5062;bran
>  ch=z9hG4bKC51A010562EF4A59816876A6DEACF5BF..Date: Thu, 26 May 2005 15:53:13
>   GMT..Contact: sip:192.168.0.2..User-Agent: sipX/2.5.2 (WinNT)..Accept-Lang
>  uage: en..Allow: INVITE, ACK, CANCEL, BYE, REFER, OPTIONS, NOTIFY, REGISTER
>  , SUBSCRIBE..Supported: sip-cc, sip-cc-01, timer, replaces..Content-Length:
>   0....                                                                     
>#
>U 192.168.0.5:5060 -> 192.168.0.2:5062
>  SIP/2.0 180 Ringing..From: 102 <sip:102 at voip.com:5062>;tag=2354273279..To: 
>  <sip:9999999999 at voip.com>;tag=19901..Call-Id: 60D7D848-8486-4E68-8191-05684
>  A2A3EEF at 192.168.0.2..Cseq: 55437 INVITE..Via: SIP/2.0/UDP 192.168.0.2:5062;
>  rport=5062;branch=z9hG4bKC51A010562EF4A59816876A6DEACF5BF..Date: Thu, 26 Ma
>  y 2005 15:53:13 GMT..Contact: sip:192.168.0.2..User-Agent: sipX/2.5.2 (WinN
>  T)..Accept-Language: en..Allow: INVITE, ACK, CANCEL, BYE, REFER, OPTIONS, N
>  OTIFY, REGISTER, SUBSCRIBE..Supported: sip-cc, sip-cc-01, timer, replaces..
>  Content-Length: 0....                                                      
>#
>U 192.168.0.2:5062 -> 192.168.0.5:5060
>  CANCEL sip:9999999999 at voip.com SIP/2.0..Via: SIP/2.0/UDP 192.168.0.2:5062;r
>  port;branch=z9hG4bKC51A010562EF4A59816876A6DEACF5BF..From: 102 <sip:102 at voi
>  p.com:5062>;tag=2354273279..To: <sip:9999999999 at voip.com>..Contact: <sip:10
>  2 at 192.168.0.2:5062>..Call-ID: 60D7D848-8486-4E68-8191-05684A2A3EEF at 192.168.
>  0.2..CSeq: 55437 CANCEL..Max-Forwards: 70..User-Agent: X-Lite release 1103m
>  ..Content-Length: 0....                                                    
>#
>U 192.168.0.2:5062 -> 192.168.0.5:5060
>  CANCEL sip:9999999999 at voip.com SIP/2.0..Via: SIP/2.0/UDP 192.168.0.2:5062;r
>  port;branch=z9hG4bKC51A010562EF4A59816876A6DEACF5BF..From: 102 <sip:102 at voi
>  p.com:5062>;tag=2354273279..To: <sip:9999999999 at voip.com>..Contact: <sip:10
>  2 at 192.168.0.2:5062>..Call-ID: 60D7D848-8486-4E68-8191-05684A2A3EEF at 192.168.
>  0.2..CSeq: 55437 CANCEL..Max-Forwards: 70..User-Agent: X-Lite release 1103m
>  ..Content-Length: 0....                                                    
>#
>U 192.168.0.2:5062 -> 192.168.0.5:5060
>  CANCEL sip:9999999999 at voip.com SIP/2.0..Via: SIP/2.0/UDP 192.168.0.2:5062;r
>  port;branch=z9hG4bKC51A010562EF4A59816876A6DEACF5BF..From: 102 <sip:102 at voi
>  p.com:5062>;tag=2354273279..To: <sip:9999999999 at voip.com>..Contact: <sip:10
>  2 at 192.168.0.2:5062>..Call-ID: 60D7D848-8486-4E68-8191-05684A2A3EEF at 192.168.
>  0.2..CSeq: 55437 CANCEL..Max-Forwards: 70..User-Agent: X-Lite release 1103m
>  ..Content-Length: 0....                                                       
>#                                                                               
>U 192.168.0.5:5060 -> 192.168.0.2:5062                                          
>  SIP/2.0 408 Request Timeout..Via: SIP/2.0/UDP 192.168.0.2:5062;rport=5062;b   
>  ranch=z9hG4bKC51A010562EF4A59816876A6DEACF5BF..From: 102 <sip:102 at voip.com:   
>  5062>;tag=2354273279..To: <sip:9999999999 at voip.com>;tag=a6a1c5f60faecf035a1   
>  ae5b6e96e979a-7cb8..Call-ID: 60D7D848-8486-4E68-8191-05684A2A3EEF at 192.168.0   
>  .2..CSeq: 55437 INVITE..Server: Sip EXpress router (0.9.2 (i386/linux))..Co   
>  ntent-Length: 0..Warning: 392 192.168.0.5:5060 "Noisy feedback tells:  pid=   
>  996 req_src_ip=192.168.0.2 req_src_port=5062 in_uri=sip:9999999999 at voip.com   
>   out_uri=sip:9999999999 at voip.com via_cnt==0"....                              
>#                                                                               
>U 192.168.0.5:5060 -> 192.168.0.2:5060                                          
>  CANCEL sip:9999999999 at voip.com SIP/2.0..Via: SIP/2.0/UDP 192.168.0.5;branch   
>  =z9hG4bK078b.d58ef0f1.0..From: 102 <sip:102 at voip.com:5062>;tag=2354273279..   
>  Call-ID: 60D7D848-8486-4E68-8191-05684A2A3EEF at 192.168.0.2..To: <sip:9999999   
>  999 at voip.com>..CSeq: 55437 CANCEL..User-Agent: Sip EXpress router(0.9.2 (i3   
>  86/linux))..Content-Length: 0....                                             
>#                                                                               
>U 192.168.0.2:5060 -> 192.168.0.5:5060                                          
>  SIP/2.0 200 OK..From: 102 <sip:102 at voip.com:5062>;tag=2354273279..To: <sip:   
>  9999999999 at voip.com>..Call-Id: 60D7D848-8486-4E68-8191-05684A2A3EEF at 192.168   
>  .0.2..Cseq: 55437 CANCEL..Via: SIP/2.0/UDP 192.168.0.5;branch=z9hG4bK078b.d   
>  58ef0f1.0..Content-Length: 0....                                              
>#                                                                               
>U 192.168.0.2:5060 -> 192.168.0.5:5060                                          
>  SIP/2.0 487 Request Terminated..From: 102 <sip:102 at voip.com:5062>;tag=23542   
>  73279..To: <sip:9999999999 at voip.com>;tag=19901..Call-Id: 60D7D848-8486-4E68   
>  -8191-05684A2A3EEF at 192.168.0.2..Cseq: 55437 INVITE..Via: SIP/2.0/UDP 192.16   
>  8.0.5;branch=z9hG4bK078b.d58ef0f1.0..Via: SIP/2.0/UDP 192.168.0.2:5062;rpor   
>  t=5062;branch=z9hG4bKC51A010562EF4A59816876A6DEACF5BF..Date: Thu, 26 May 20   
>  05 15:53:43 GMT..Allow: INVITE, ACK, CANCEL, BYE, REFER, OPTIONS, NOTIFY, R   
>  EGISTER, SUBSCRIBE..User-Agent: sipX/2.5.2 (WinNT)..Accept-Language: en..Su   
>  pported: sip-cc, sip-cc-01, timer, replaces..Contact: sip:192.168.0.2..Cont   
>  ent-Length: 0....                                                             
>#                                                                               
>U 192.168.0.5:5060 -> 192.168.0.2:5060                                          
>  ACK sip:9999999999 at voip.com SIP/2.0..Via: SIP/2.0/UDP 192.168.0.5;branch=z9   
>  hG4bK078b.d58ef0f1.0..From: 102 <sip:102 at voip.com:5062>;tag=2354273279..Cal   
>  l-ID: 60D7D848-8486-4E68-8191-05684A2A3EEF at 192.168.0.2..To: <sip:9999999999   
>  @voip.com>;tag=19901..CSeq: 55437 ACK..User-Agent: Sip EXpress router(0.9.2   
>   (i386/linux))..Content-Length: 0....                                         
>#                                                                               
>U 192.168.0.2:5060 -> 192.168.0.5:5060                                          
>  SIP/2.0 200 OK..From: 102 <sip:102 at voip.com:5062>;tag=2354273279..To: <sip:   
>  9999999999 at voip.com>..Call-Id: 60D7D848-8486-4E68-8191-05684A2A3EEF at 192.168   
>  .0.2..Cseq: 55437 CANCEL..Contact: <sip:9999999999 at 192.168.0.2:5060>..Via:    
>  SIP/2.0/UDP 192.168.0.5;branch=z9hG4bK078b.d58ef0f1.0..Date: Thu, 26 May 20   
>  05 15:53:43 GMT..Allow: INVITE, ACK, CANCEL, BYE, REFER, OPTIONS, NOTIFY, R   
>  EGISTER, SUBSCRIBE..User-Agent: sipX/2.5.2 (WinNT)..Accept-Language: en..Su   
>  pported: sip-cc, sip-cc-01, timer, replaces..Content-Length: 0....            
>#                                                                               
>U 192.168.0.5:5060 -> 192.168.0.2:5062                                          
>  SIP/2.0 408 Request Timeout..Via: SIP/2.0/UDP 192.168.0.2:5062;rport=5062;b   
>  ranch=z9hG4bKC51A010562EF4A59816876A6DEACF5BF..From: 102 <sip:102 at voip.com:   
>  5062>;tag=2354273279..To: <sip:9999999999 at voip.com>;tag=a6a1c5f60faecf035a1   
>  ae5b6e96e979a-7cb8..Call-ID: 60D7D848-8486-4E68-8191-05684A2A3EEF at 192.168.0   
>  .2..CSeq: 55437 INVITE..Server: Sip EXpress router (0.9.2 (i386/linux))..Co   
>  ntent-Length: 0..Warning: 392 192.168.0.5:5060 "Noisy feedback tells:  pid=   
>  996 req_src_ip=192.168.0.2 req_src_port=5062 in_uri=sip:9999999999 at voip.com   
>   out_uri=sip:9999999999 at voip.com via_cnt==0"....                              
>#                                                                               
>U 192.168.0.5:5060 -> 192.168.0.2:5062                                          
>  SIP/2.0 408 Request Timeout..Via: SIP/2.0/UDP 192.168.0.2:5062;rport=5062;b   
>  ranch=z9hG4bKC51A010562EF4A59816876A6DEACF5BF..From: 102 <sip:102 at voip.com:   
>  5062>;tag=2354273279..To: <sip:9999999999 at voip.com>;tag=a6a1c5f60faecf035a1   
>  ae5b6e96e979a-7cb8..Call-ID: 60D7D848-8486-4E68-8191-05684A2A3EEF at 192.168.0   
>  .2..CSeq: 55437 INVITE..Server: Sip EXpress router (0.9.2 (i386/linux))..Co   
>  ntent-Length: 0..Warning: 392 192.168.0.5:5060 "Noisy feedback tells:  pid=   
>  996 req_src_ip=192.168.0.2 req_src_port=5062 in_uri=sip:9999999999 at voip.com   
>   out_uri=sip:9999999999 at voip.com via_cnt==0"....                              
><<< Log from 192.168.0.5 ended May 26, 2005, 10:54:17 >>>
>  
>
>------------------------------------------------------------------------
>
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