[SR-Users] TR: Failure Mode

[Nicolas Breuer]

Hello Daniel,

Thanks !

I sent all the information's to your email address


De : Daniel-Constantin Mierla [mailto:miconda at gmail.com]
Envoyé : vendredi 7 juillet 2017 13:21
À : Nicolas Breuer <Nicolas.Breuer at belcenter.biz>; Kamailio (SER) - Users Mailing List <sr-users at lists.kamailio.org>
Objet : Re: [SR-Users] TR: Failure Mode


Can you get a ngrep trace captured on kamailio server for such situation?

Also, can you paste the failure_route block here along with the log messages from the syslog?

Cheers,
Daniel

On 07.07.17 12:42, Nicolas Breuer wrote:
I think serial because the new branch is only created in case the first is timeout.

De : Daniel-Constantin Mierla [mailto:miconda at gmail.com]
Envoyé : vendredi 7 juillet 2017 12:40
À : Kamailio (SER) - Users Mailing List <sr-users at lists.kamailio.org><mailto:sr-users at lists.kamailio.org>; Nicolas Breuer <Nicolas.Breuer at belcenter.biz><mailto:Nicolas.Breuer at belcenter.biz>
Objet : Re: [SR-Users] TR: Failure Mode


Hello,

are you doing parallel forking or serial forking?

Cheers,
Daniel

On 07.07.17 12:24, Nicolas Breuer wrote:


Hello,

Some help here is needed

# auto-discard branches from previous serial forking leg
modparam("tm", "failure_reply_mode", 3)

I test a call with two branches.

1st branch received a 408 timeout error
2nd branch received a 486 busy.

Normally the failure route should be with the 486.

NOTICE: <script>: Failure route -----2---1--408----

We can see the 408 is the winning reply but I understood from the documentation that if
Failure reply mode is "3" , the winning reply is always the reply from the last branch :)

It's a problem because if  the 1st is timeout (because down), the second is OK but callee is busy ; we don't send the right reply to the caller









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