[sr-dev] fr_timer

[Alex Balashov]

Agreed, about fr_timer being tied to provisional, not final replies.

This is a confusing point and I usually keep lengthy comments in a 
boilerplate in order to remind myself of such situations in which the 
documentation is fundamentally misleading.

Klaus Darilion wrote:

> Hi!
> 
> I just read the the documentation of the fr_timer nad I think it is 
> wrong (as K's documentation is identical and wrong).
> http://sip-router.org/docbook/sip-router/branch/master/modules/tm/tm.html#fr_timer 
> 
> 
> AFAIK, fr_timer is triggered if there is no "provisional" response 
> received, and not as the documentation said, a "final" response.
> 
> Eg. I always used
> fr_timer: 2 seconds
> fr_inv_timer: 120 seconds
> 
> Which means that the callee has to send a prov. response (e.g. 100 
> trying) within 2 seconds, to achieve fast failover. Once the prov. 
> response is received, fr_timer is deactivated and fr_inv_timer is used.
> 
> 1. Question: Is this the same in sr's tm module? If yes, then the docs 
> should be fixed (I can do that).
> 
> 2. If yes, what about renaming the parameters and introduce parameters 
> which are clear, e.g.:
> timeout_prov_reply and timeout_final_reply
> 
> regards
> klaus
> 
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-- 
Alex Balashov - Principal
Evariste Systems
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