[asterisk-users] Selectively disable echo cancellation?

[Jerry Jones]

When the cards hears the fax tone it should auto disable the ec.


On Sep 2, 2008, at 9:42 PM, Octavio Ruiz wrote:

> On Tue, Sep 2, 2008 at 6:16 PM, Ken D'Ambrosio <ken at jots.org> wrote:
>> Hi, all.  I have a Sangoma A104D (on-board, DSP-based echo can); I'm
>> currently passing through some of my in-bound calls to a legacy PBX  
>> (which
>> I hope to eventually replace).  That being said, until I do, I'd  
>> like to
>> kill echo cancellation for the passed-through calls -- I don't want  
>> to
>> mess with their fax reception.
>>
>> Any idea how to do this?
>
> Is
>
>           echocancelwhenbridged=no
>
> inside zapata.conf what are you looking for?
>
> If not, what I figured out is if you run
>
>   System(wan_ec_client wanpipe1 disable ${VALUE}) ;
>
> in your dialplan logic [perhaps inside a macro called with the M()
> option for Dial()] would do the trick.
>
> Don't forget that you obtain "Zap/${VALUE}-1" from ${CHANNEL} (using
> some variable stripping) and to run
>
>   System(wan_ec_client wanpipe1 enable ${VALUE}) ;
>
> at Hangup.
>
>
> Regards,
>
> -- 
> Octavio H. Ruiz Cervera
> Tel.: (+52 55) 8590-9000 Ext. 7016
> Mobile: (+52 1 55) 14-087790
> Mobile: (+52 1 55) 41-351242
>
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