[SR-Users] Best way to handle 100 but no 180/183?

[Daniel-Constantin Mierla]

Hello,

you can play with t_set_fr() in an onreply_route[x] block for the invite 
transaction:

- http://kamailio.org/docs/modules/stable/modules/tm.html#tm.f.t_set_fr

Cheers,
Daniel

On 09/10/14 21:29, Tobias wrote:
> Dear Kamailio users,
>
> I have an issue with some upstream carriers quickly replying with 100 
> Trying but then basically times out.
>
> I'm looking for a good solution to distinguish between the 100 reply 
> and any other replies, and alter the timeout values. My goal is to be 
> able to re-route calls where the 180/183 is not received within a few 
> seconds, and if the 180/183 is received I'd like to give the call a 
> much longer timeout.
>
> I realize there is a "fr_inv_timer" that would do this, but I would 
> not like to set that to low since I fear it would affect many other 
> call types, i.e. if a carrier would send 183 once but for some reason 
> does not resend on regular intervals.
>
> I'm on Kamailio 4.1 and my current settings are:
> fr_timer : 2000
> fr_inv_timer : 120000
> restart_fr_on_each_reply : 1
>
> The only solution I can think of is to update the fr_inv_timer in an 
> on_reply-route if the reply code is 180/183 but I'm not sure that 
> would even work? Is that the way to go or is there another way?
>
> Thanks in advance!
> /Tobias
>
>
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-- 
Daniel-Constantin Mierla
http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda

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