[cisco-voip] Many phones resetting spontaneously -- Traces?

[Wes Sisk]

In General:

the traces actually say 'unregister' with device name.  If phones went 
down enmass then typical approach is:
1. check CM system and application logs.  look for any critical system 
events (cm crash/restart?)
2. pull CM SDI and SDL traces.  when phones next re-register they send a 
reason code for the last unregistration in an ALARM message
3. parse traces to identify phones that *did* and *did not* unregister.  
identify patterns in the groups of phones such as subnet, primary cm, 
phone model, device pool, etc.

/Wes

On Thursday, June 10, 2010 7:17:25 PM, Dave Wolgast 
<dwolgas1 at rochester.rr.com> wrote:
> CUCM 6.1(4)
> 7940/42/60/62 running 8.5(3)
>
> I got a report late this afternoon that a fair number of calls were 
> dropped when phones reset spontaneously.  All phones were registered 
> to a single subscriber.  I am trying to narrow down the cause of the 
> event.  Unfortunately, nobody thought to record an accurate time when 
> the event occurred.  Thus, I have to dig through the traces (I don't 
> see unregisters in the Application logs).
>
> What does an unregister look like in traces, or what else could I 
> search on that might identify the moment when this occurred?
>
> If there is any additional info I can provide that would help, please 
> let me know.
>
> -- 
> Dave Wolgast
> Livonia, NY
> ------------------------------------------------------------------------
>
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