Re: [Serusers] cancal - sr-users

18 Aug 2005

Hi!

Thanks!

Here's some more of my code:

if (method=="INVITE") {
    record_route();
    setflag(1);
    # First check the prefixes of the caller and change it to the specified
country-code in switch-admin --> Country-List
    exec_dset('/usr/local/etc/ser/scripts/update_number.sh');

    # Load first trunk
    if (!load_gws())
    {
        sl_send_reply("500", "Internal server error, unable to load phone
gateways");
        break;
    }
    if (!next_gw())
    {
        sl_send_reply("503", "Service not available, no gateways
found");
        break;
    }
    t_on_failure("2");
    log(1, "-INVITE-\n");
};

[...]

t_relay();

Sebastian

----- Original Message ----- 
From: "Bayan William Towfiq" &lt;william(a)telepacket.com&gt;
To: "Sebastian Kühner" &lt;skuehner(a)veraza.com&gt;
Cc: &lt;serusers(a)lists.iptel.org&gt;
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" &lt;william(a)telepacket.com&gt;
To: "Sebastian Kühner" &lt;skuehner(a)veraza.com&gt;
Cc: &lt;serusers(a)lists.iptel.org&gt;
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

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