do you have the proxy log for the same time period?

sipxbridge is throwing a timer already cancelled.  which I havent seen
before.  Normally this sounds like a typical SIP DoS but your log isn't
showing any sip vicious attempts that I can see, unless they occurred
earlier and java has already ran out of process and the attack has
ended.

Maybe a bit of the log prior to the onset of failed calls with give more
insight.  Can you upload them (bridge and proxy) somewhere for us to
look at?

-M

>>> Sven Evensen <[email protected]> 07/03/12 9:47 AM >>>
We just had a serious fault at a customer where suddenly all calls were
failing. They have sipx 4.4 and a bit over 100 users. Normally they have
5-10 simultaneous calls, but they could see in the "SIP Trunk SBC
Statistics" that there were over 40 connected calls and rising. I had to
recover service quickly but saw the "top cpu" looked normal, disk space
ok and and "free" memory ok. 

A quick look in wireshark and I saw many "DECLINE" coming back from SIP
trunk. Well I restarted the three main services "siptrunking, sipxproxy
and sipregistrar" and this recovered the fault. The SIP trunk is IP
authenticated so there was no re-register that could recover a faulty
SIP trunk. Therefore I believe the issue was in sipX.
 

I have a capture of one of the first calls that was failing and it does
look very strange indeed. I also have the sipxbridge.log for that call,
luckily it was in debug mode.


In the capture 192.168.3.44 is ip of SNOM phone, 193.246.242.135 is SIP
trunk (ACME packet to be precise).
 

Customer said this had happened one time before, at least same symptoms.


Sven


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