[OpenSIPS-Users] tm param for 477?

Bogdan-Andrei Iancu bogdan at opensips.org
Tue Jan 30 05:15:11 EST 2018


Hi Tito,

All you have to do is to add the "0x02" parameter to the t_relay() at 
this line 
https://github.com/OpenSIPS/opensips/blob/master/etc/opensips.cfg#L229

Regards,

Bogdan-Andrei Iancu

OpenSIPS Founder and Developer
   http://www.opensips-solutions.com
OpenSIPS Summit 2018
   http://www.opensips.org/events/Summit-2018Amsterdam

On 01/24/2018 11:34 PM, Tito Cumpen wrote:
> Bogdan,
>
>
> My current script does not have a t_relay() for initial invites 
> specifically it is based on the
>
> https://github.com/OpenSIPS/opensips/blob/master/etc/opensips.cfg
> script. If I add a t_relay() of any sort in the relay route it will 
> provide a return code of 1 and continue to failure block before 
> processing the pending branch. I want to evade failing the entire call 
> if one of the usr locations fails due to a connection error like 477 
> and so I'd like the rest of the branches to be attempted before 
> failing the request.
>
>
> Thanks,
> Tito
>
> On Mon, Jan 15, 2018 at 10:55 AM, Bogdan-Andrei Iancu 
> <bogdan at opensips.org <mailto:bogdan at opensips.org>> wrote:
>
>     Hi Tito,
>
>     You do not have to add an additional t_relay(), just add the
>     "0x02" flag to your existing t_relay() in script.
>
>     Regards,
>
>     Bogdan-Andrei Iancu OpenSIPS Founder and Developer
>     http://www.opensips-solutions.com <http://www.opensips-solutions.com>
>     OpenSIPS Summit 2018
>        http://www.opensips.org/events/Summit-2018Amsterdam
>     <http://www.opensips.org/events/Summit-2018Amsterdam>
>
>     On 01/12/2018 09:35 AM, Tito Cumpen wrote:
>>     Bogdan,
>>
>>
>>     The issue is I'm not sure where to enter the  t_relay("0x02"). I
>>     don't see it used in the standard relay route examples. I tried
>>     putting it in my relay route like this
>>
>>     route[relay] {
>>             # for INVITEs enable some additional helper routes
>>             if (is_method("INVITE")) {
>>
>>     t_relay("0x02");
>>
>>             do_accounting("evi", "missed");
>>             setflag(accounted);
>>
>>                     t_on_branch("handle_nat");
>>                     t_on_reply("handle_nat");
>>     t_on_failure("missed_call");
>>             } else if (is_method("BYE|CANCEL")) {
>>                     rtpengine_delete();
>>             }
>>
>>
>>        if (!t_relay("3")) {
>>
>>     if (is_method("INVITE")){
>>
>>                     xlog("connection failure here at $rU\n");
>>             #        route(handletmfail) ;
>>             #       exit;
>>     }
>>     }
>>             if (!t_relay()) {
>>                     xlog("failure sending call to $rU\n");
>>                     send_reply("500","Internal Error");
>>             };
>>             exit;
>>     }
>>
>>
>>
>>     But it gets sent to the failure route  prior to failing the
>>     pending branch.
>>
>>     Thanks,
>>     Tito
>>
>>
>>     On Tue, May 9, 2017 at 6:17 AM, Bogdan-Andrei Iancu
>>     <bogdan at opensips.org <mailto:bogdan at opensips.org>> wrote:
>>
>>         Hi Tito,
>>
>>         The 477 is locally generated by OpenSIPS prior to send the
>>         the request out. This is why you cannot have in in the
>>         failure route (which is triggered by the failure of the
>>         transaction, AFTER the request was sent out).
>>
>>         What you can do is to use the 2 flag for t_relay() (see
>>         http://www.opensips.org/html/docs/modules/2.3.x/tm.html#t_relay
>>         <http://www.opensips.org/html/docs/modules/2.3.x/tm.html#t_relay>)
>>         and check in script for the failure of t_relay().
>>
>>         Regards,
>>
>>         Bogdan-Andrei Iancu
>>            OpenSIPS Founder and Developer
>>            http://www.opensips-solutions.com
>>         <http://www.opensips-solutions.com>
>>
>>         OpenSIPS Summit May 2017 Amsterdam
>>            http://www.opensips.org/events/Summit-2017Amsterdam.html
>>         <http://www.opensips.org/events/Summit-2017Amsterdam.html>
>>
>>         On 05/01/2017 10:55 PM, Tito Cumpen wrote:
>>>         Group,
>>>
>>>         Is there a tm param to force 477 failures to go to failure
>>>         block ?
>>>
>>>         IE: I have a wss socket that times out or closes connection
>>>         but the UL entry is still active
>>>         so the connection attempt fails and the 477 is sent back to
>>>         the UAC instead of trying the logic in the failure block.
>>>         Can anything be done here ?
>>>
>>>
>>>         Thanks,
>>>         Tito
>>>
>>>
>>>
>>>
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>>
>>
>
>

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