[asterisk-users] FAX over T1 Question

Vinícius Fontes vinicius at canall.com.br
Fri Sep 5 13:22:19 CDT 2008


I'm having problems exactly with that tone detection. I even submitted a bug report (http://bugs.digium.com/view.php?id=13286) but it still has not been viewed yet, I guess.




Atenciosamente,

Vinícius Fontes
Núcleo de Tecnologias Convergentes
Canall Tecnologia em Comunicações
Passo Fundo - RS - Brasil
+55 54 2104-7000
 
Convergent Technologies Core
Canall Tecnologia em Comunicações
Passo Fundo - RS - Brazil
+55 54 2104-7000

----- "Eric \"ManxPower\" Wieling" <eric at fnords.org> escreveu:

> 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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