On Thursday, 12 April 2018 10:15:19 CEST Abdul Basit wrote:
> My issue for IM handling has been resolved.
> 
> @MS helped to look into the matter. From to the example
> [..]
> 
> I replaced it as below
> 
> # -- tm params --
> 
> modparam("tm", "fr_timer", 10000 )
> modparam("tm", "fr_inv_timer", 15 )
> modparam("tm", "wt_timer", 10 )
> 
> 
> Lower fr_timer was initiating 408 without waiting for 200 OK from
> destination because 10ms is too low. This was confusing msilo module and
> the sender device that MESSAGE sent was failed.
> Increasing the fr_timer value resolved the issue.
> This also resolved a ripple effect. i.e, kamailio delivery of offline
> messages from DB store to the destination party.
> Since kamailio was get message delivery error, it was
> executing failure_route[1] that was storing the message again in DB store
> as offline message and so on.
> 
> lower fr_timer values are also exits in 3.x, 4.x, 5x and dev branches
> documentation.
> [..]

Hello Abdul,

great that you found the issue. I have fixed this issue in git master and also 
5.1 and 5.0 branch.

Best regards,

Henning

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