[Asterisk-Users] echo cancelation on Digium T1 cards

denon denon at denon.cx
Mon Jan 10 22:39:56 MST 2005


That's data or fax CNG, not dtmf. And yes, it's disabled for the duration 
of the fax or data session.

-d

At 11:36 PM 1/10/2005, you wrote:
>Hello all,
>
>I am getting console debug messages about "tone detected on channel XX, 
>disabling echo cancelation on channel XX" when using echocancel=yes with a 
>Digium T1 card.
>
>does this mean that DTMF breaks the echo can?  Does Asterisk permanently 
>disable the echo can or is it for that channel instance only?
>
>
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