Hello,

so it seems that the error happens before the transaction is created, as I see SL in the response...

Can you try with:

https://www.kamailio.org/docs/modules/stable/modules/tm.html#tm.f.t_set_disable_internal_reply

before t_relay() and then catch the failure execution with if(!t_relay()) and send there response you want there.

Cheers,
Daniel

Hi Daniel,

I'm using t_relay().

Regards

José

2017-03-01 14:09 GMT+00:00 Daniel-Constantin Mierla <miconda@gmail.com>:

Hello,

are you using forward() or t_relay() to send out?

Cheers,
Daniel

On 28/02/2017 12:32, José Seabra wrote:

Hello there,

Some times dns server fails and my kamailio server start replying "Unresolvable destination (478/SL)".

The propose of my email is to know if is there any possibility to change this reply (478) to for example one of 5XX replies.

I have modparam("sl", "default_code", 503) but in situations where dns fails, kamailio doesn't reply 503.

Thank you for your support

Regards

José Seabra

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Daniel-Constantin Mierla
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_______________________________________________ SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list sr-users@lists.sip-router.org http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users

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Cumprimentos

José Seabra

-- 
Daniel-Constantin Mierla
www.twitter.com/miconda -- www.linkedin.com/in/miconda
Kamailio Advanced Training - Mar 6-8 (Europe) and Mar 20-22 (USA) - www.asipto.com
Kamailio World Conference - May 8-10, 2017 - www.kamailioworld.com