[Asterisk-Users] RE: Voice calls sent to fax extension

[Tim Sharp]

I also had an intermittent problem, on average one or two faxes a week, that were not recongnzed as a fax.  Then I switched phone companies and have not had that problem since.  It has been over 2 months.  I addition, my echo problem has been practically eliminated and overall voice quality is better. I believe that it is because of better levels of RX gain for fax recognition, but don't know for sure. 

-----Original Message-----
From: asterisk-users-bounces at lists.digium.com
[mailto:asterisk-users-bounces at lists.digium.com]On Behalf Of Paul A.
Pringle
Sent: Monday, June 26, 2006 10:54 AM
To: asterisk-users at lists.digium.com
Subject: [Asterisk-Users] RE: Voice calls sent to fax extension


I thought it might be an inadvertent button press, but none of the keys
(on my phone at least) are recognized by Asterisk as fax tones.  This
has happened to two different users getting calls from different people
using different equipment.  Does anyone else see this behavior
occasionally?

Paul

-----Original Message-----
Date: Fri, 23 Jun 2006 15:29:31 -0400
From: "Bill Gibbs" <bgibbs at edurotech.com>
Subject: RE: [Asterisk-Users] Voice calls sent to fax extension
To: "Asterisk Users Mailing List - Non-Commercial Discussion"
	<asterisk-users at lists.digium.com>
Message-ID:
	<BC4D33685C413A478FEC8BE36C4B810012B06D at eduro1.eduro.local>
Content-Type: text/plain;	charset="us-ascii"

Maybe their fat jowls hit a few buttons on the keypad and sent the fax
tone down the line and they didn't realize it?

Bill

-----Original Message-----
From: asterisk-users-bounces at lists.digium.com
[mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Paul A.
Pringle
Sent: Friday, June 23, 2006 2:51 PM
To: asterisk-users at lists.digium.com
Subject: [Asterisk-Users] Voice calls sent to fax extension

I have a situation that has repeated itself a few times.  Someone calls
into Asterisk and is connected with a voice extension.  At some point
during the call, the log shows "chan_zap.c: DTMF digit: f on Zap/2-1".
At this point, the call is redirected to receive a fax and the Asterisk
voice extension is hung up.  The users report that there were no
noticable tones heard just before the cutover, so I'm not sure what's
going on.  Is there a way to disable detection of faxes after the
voicecall is initiated?  We're running a Digium card to convert our
analog trunks if that makes any difference.

Thanks!

Paul
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