Re: [hylafax-users] 911 is being dialed but does not show in any logs

[Aidan Van Dyk <aidan@xxxxxxxx>]

Jeff, in a situation like this, you'll have to "match logs".

From the alerts your PBX generates, you have the timestamps of the "911"
emergency calls.  You should be able to correlate the timestamps on
these alerts with the HylaFAX logs, to see which job was sending on that
line when it happened.  Note that the times on your PBX and HylaFAX
server could be slightly different, but match up one or 2 identified
calls, and you should be able to see how far apart they are.

Once you have the job that placed the call that the PBX considered
"911", you can see the actual digits dialed form the session log, and
then it will be a matter of figuring out why when HylaFAX instructs the
modem to dial one thing, the PBX thinks it hears tones of something
else.  This process will probably involve some experimenting.  Make sure
you do that carefully with the PBX people involved so you don't end up
making a bunch more 911 calls and end up with more police visits.

a.

* Jeff Larsen <jlar310@xxxxxxxxx> [080305 16:35]:
> I'm new to the list, so forgive me if I have missed some protocol such
> as posting config files, etc.
> 
> We have had two instances in the last 4 weeks where the police have
> shown up at our office saying they got a 911 hangup call. Our PBX
> system gives administrative alerts on all emergency calls and it says
> the call came from our hylafax modem line. I have verified that the
> PBX port being reported on the alerts is indeed physically connected
> to our hylafax modem.
> 
> In our organization hylafax only sends automated faxes generated from
> numbers in a database and none of those numbers start with 911. There
> are, however, some numbers with 911 in the middle. It might also be
> worth noting that this is in Kansas City where one of the area codes
> frequently dialed is 913. Our dial rules enforce 10 digit dialing for
> local area codes 913 and 816.
> 
> I grepped all the logs for ATDT911 and found nothing.
> 
> How could this be happening? Where else can I look (in hylafax) to
> trace it? Could a defective modem be generating tones for dialing
> incorrectly? I am at a complete loss on this one.
> 
> We are running Hylafax 4.3.3 from CentOS 4 distribution.
> 
> -- 
> Jeff
> 
> 
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-- 
Aidan Van Dyk                                             aidan@xxxxxxxx
Senior Software Developer                          +1 215 825-8700 x8103
iFAX Solutions, Inc.                                http://www.ifax.com/

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