[asterisk-users] FAX over T1 Question

Steve Totaro stotaro at totarotechnologies.com
Fri Sep 5 13:05:51 CDT 2008


I would not bother with fax detection with fax DIDs and on T1s/PRIs.
The fewer the modules that you need to rely on and load, the better.

Thanks,
Steve Totaro
1.888.777.1888

On Fri, Sep 5, 2008 at 1:58 PM, Eric ManxPower Wieling <eric at fnords.org> wrote:
> If I am not mistaken every single echo canceler out there will disable
> itself if it detects a fax tone.
>
> Echo Cancelers do not screw up faxes, people screw up faxes. 8-)
>
> Bob Pierce wrote:
>> On Fri, 2008-09-05 at 09:19 -0700, Amaru Netapshaak wrote:
>>> I have a Sangoma A104d T1 card, a Rhino 24-port FXS box, and am
>>> running
>>> Asterisk 1.4.21.2
>>
>> I think you're mostly right on this setup, but I wonder if your A104d is
>> doing some hardware echo cancellation on these calls. If I'm not
>> mistaken, that can mess up fax machine communications.
>>
>> Bob
>>



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