[Serusers] cancal
Sebastian Kühner
skuehner at veraza.com
Fri Aug 19 17:30:46 CEST 2005
Hi!
Here is a ngrep of my cancel message:
U 2005/08/19 09:45:46.747447 xxx.xxx.xxx.xxx:1024 -> xxx.xxx.xxx.xxx:5060
CANCEL sip:0054261xxxxxxxx at pbx2.test.com:5060 SIP/2.0.
Content-Length: 0.
Call-ID: 2E863532-7483-4585-B9FA-C6EC3340203B at 192.168.1.101.
Max-Forwards: 70.
From: "Administrator"<sip:44441 at pbx2.test.com:5060>;tag=257139028539.
CSeq: 1 CANCEL.
To: <sip:0054261xxxxxxx at pbx2.test.com:5060>.
Via: SIP/2.0/UDP
xxx.xxx.xxx.xxx:1024;rport;branch=z9hG4bKc0a801650131c9b14305d51d00002639000
000b4.
User-Agent: SJLabs-SJphone/1.30.252.
.
#
U 2005/08/19 09:45:46.997466 xxx.xxx.xxx.xxx:5060 -> xxx.xxx.xxx.xxx:1024
SIP/2.0 200 ok -- no more pending branches.
Call-ID: 2E863532-7483-4585-B9FA-C6EC3340203B at 192.168.1.101.
From: "Administrator"<sip:44441 at pbx2.test.com:5060>;tag=257139028539.
CSeq: 1 CANCEL.
To:
<sip:0054261xxxxxxx at pbx2.test.com:5060>;tag=2fb8a6135db5d855a493c61ec9633675
-1e47.
Via: SIP/2.0/UDP
xxx.xxx.xxx.xxx:1024;rport=1024;branch=z9hG4bKc0a801650131c9b14305d51d000026
39000000b4.
Server: Sip EXpress router (0.9.3 (i386/linux)).
Content-Length: 0.
Warning: 392 xxx.xxx.xxx.xxx:5060 "Noisy feedback tells: pid=31972
req_src_ip=xxx.xxx.xxx.xxx req_src_port=1024 in_uri=sip:00542
.
Shouldn't that be 486 Request Terminated instead of 200 ok?
Thanks!
----- Original Message -----
From: "Sebastian Kühner" <skuehner at veraza.com>
To: <serusers at lists.iptel.org>
Sent: Friday, August 19, 2005 10:01 AM
Subject: Re: [Serusers] cancal
> Hello,
>
> I made a ngrep and I noticed that NO "487 Request Cancelled" is reaching
my
> ser on CANCEL. That could be the problem.
>
> I also tried to use the avpops module:
>
> if (method == "CANCEL") {
> setflag(1);
> avp_write("cancel", "s:failover");
> log(1, "-CANCEL PSTN-\n");
> };
>
> ...and then with avp_check in the failover route. Without result. Could it
> be that the variables in the avp don't reach another route?
>
> Thanks for your help
>
> Sebastian
>
>
>
> ----- Original Message -----
> From: "Bayan William Towfiq" <william at telepacket.com>
> To: "Sebastian Kühner" <skuehner at veraza.com>
> Cc: <serusers at lists.iptel.org>
> Sent: Thursday, August 18, 2005 3:39 PM
> Subject: Re: [Serusers] cancal
>
>
> > Hi Sebastian,
> > Sorry about that, I misread the code. I will test your code and dig up
> > an example of how I do it in my failure routes to show you.
> >
> > William
> >
> > Sebastian Kühner wrote:
> >
> > >Hi William,
> > >
> > >Thanks for your help.
> > >
> > >In my failover route I have the following code:
> > >
> > >failure_route[2] {
> > > if (t_check_status("408|500|503"))
> > > {
> > > log (1, "next gateway...\n");
> > > if (!next_gw())
> > > {
> > > t_reply("503", "Service not available, no more gateways");
> > > break;
> > > }
> > > log (1, "gateway changed...\n");
> > > t_on_failure("2");
> > > t_relay();
> > > }
> > >}
> > >
> > >So the status is already filtered. I tried your code but without
> result...
> > >
> > >Does anybody know how I can stop the failover timer?
> > >
> > >Thanks!
> > >
> > >Sebastian
> > >
> > >
> > >
> > >----- Original Message -----
> > >From: "Bayan William Towfiq" <william at telepacket.com>
> > >To: "Sebastian Kühner" <skuehner at veraza.com>
> > >Cc: <serusers at lists.iptel.org>
> > >Sent: Thursday, August 18, 2005 1:28 AM
> > >Subject: Re: [Serusers] cancal
> > >
> > >
> > >
> > >
> > >>Hi Sebastian,
> > >>If the message is a cancel you it will have status 487
> > >>
> > >>so you can just add
> > >>
> > >> if (t_check_status("487")) {
> > >> break;
> > >> };
> > >>
> > >>before the rest of the code in the failure route. You can mail me
> > >>privately if you have any more questions about this issue.
> > >>
> > >>William
> > >>
> > >>Sebastian Kühner wrote:
> > >>
> > >>
> > >>
> > >>>Hello,
> > >>>
> > >>>I'm using ser to forward to PSTN Gatways.
> > >>>
> > >>>Before the t_relay I put the command:
> > >>>
> > >>>t_on_failure("2");
> > >>>
> > >>>So, after a timeout ser goes to:
> > >>>
> > >>>failure_route[2] {
> > >>> log (1, "next gateway...\n");
> > >>> if (t_check_status("408|500|503"))
> > >>> {
> > >>> if (!next_gw())
> > >>> {
> > >>> t_reply("503", "Service not available, no more gateways");
> > >>> break;
> > >>> }
> > >>> log (1, "gateway changed...\n");
> > >>> }
> > >>> t_on_failure("2");
> > >>> t_relay();
> > >>>}
> > >>>
> > >>>This is working very good... if the user doesn't make a hangup.
> > >>>
> > >>>If caller hangs up, the CANCEL hits SER and the call is cleanly
> > >>>
> > >>>
> > >terminated.
> > >
> > >
> > >>>SER however continues to failure_route after timeout of the initial
> > >>>INVITE... ser sends out a new INVITE message to another
PSTN-Server...
> > >>>
> > >>>
> > >and
> > >
> > >
> > >>>the phone rings (with nobody in the line)
> > >>>
> > >>>Many thanks for your help!
> > >>>
> > >>>Sebastian
> > >>>
> > >>>
> > >>>
> > >>>_______________________________________________
> > >>>Serusers mailing list
> > >>>serusers at lists.iptel.org
> > >>>http://lists.iptel.org/mailman/listinfo/serusers
> > >>>
> > >>>
> > >>>
> > >>>
> > >>
> > >>
> > >>
> > >
> > >
> > >
> > >
> >
> >
> >
>
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