[asterisk-users] Asterisk doesn't catch SIP packet from time to time

[Administrator TOOTAI]

Le 22/05/2012 19:48, Administrator TOOTAI a écrit :
> Hi list,
>
> we face a strange behavior on an Asterisk 1.6.2.24: from time to time, 
> around 5 times a day (time when it happend totaly unpredictable), 
> asterisk doesn't see incoming INVITE SIP packets, those being catched 
> by a tshark capture :-(
>
> So incoming calls are CANCELED by other party as they never get an 
> answer on their INVITE. The problem disappear from itself after few 
> minutes. The server is not overloaded (it happends also during the 
> night, early morning, at lunch time, ...)
>
> The server is running since monthes and the problem appears around 5 
> weeks after (we think looking at history) a maintenance including an 
> asterisk update from 1.6.21 to 1.6.22
>
> If someone had an idea what could be the source of the problem ...
>
> Thanks.
>

Forgot to say that our asterisk server is registered as client to the 
peer one and both parties have static IP addresses.

-- 
Daniel