[asterisk-users] FAX over T1 Question

[Tim Nelson]

Yep... your A104d has HWEC onboard (as signified by the 'd' on your model). It is necessary to set echocancel=no and probably echocancelwhenbridged=no in your zapata.conf to get reliable faxing to work. 

Tim Nelson
Systems/Network Engineer
Rockbochs Inc.
(218)727-4332 x105

----- "Bob Pierce" <pierceb at westmancom.com> 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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