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

Administrator TOOTAI admin at tootai.net
Tue May 22 12:48:57 CDT 2012


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.

-- 
Daniel



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