[Serusers] Re: SER CANCEL Processing

a c lra101 at yahoo.com
Thu May 26 23:37:26 CEST 2005


I believe the 487 does not get matched because the UA
which does the CANCEL never gets a 200 OK back since
the CANCEL was not send out to the terminating UA by
SER. For CANCEL, are we supposed to have special
config? I don't have any specifically handles CANCEL
{other than 487}.

ac


--- Steve Blair <blairs at isc.upenn.edu> wrote:

> 
>   I am having a similar problem. I am not yet
> convinced that it is SER
> as much as my configuration but if SER does have
> difficulty processing
> CANCEL messages it would be helpful to understand
> under what
> circumstances.
> 
>    By the way I have been using t_check_status in a
> similar way since
> v 0.8 code. When I upgraded to 0.9.0, .0 and now .2
> the t_check_status
> fails to be matched.
> 
> -Steve
> 
> Thanks,Steve
> 
> 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
> >> 
> >>
> >>    
> 
=== message truncated ===



		
__________________________________ 
Yahoo! Mail 
Stay connected, organized, and protected. Take the tour: 
http://tour.mail.yahoo.com/mailtour.html 




More information about the sr-users mailing list