[Asterisk-Users] Echo Cancellation

[Florian Overkamp]

Hi,

Douglas Garstang wrote:
> If you install a Digium card in an Asterisk system, and install
> zaptel drivers, do this give any benefit of echo cancellation? Our
> PSTN gateway is a separate Audiocodes box, so the zaptel card
> wouldn't actually be connected to anything. I'm wondering though
> doing this would help, in general, with echo cancellation.

No, if your telco lines are not connected to the zaptel card, the zaptel 
driver and echocancellers will not help you one bit.

Best regards,
Florian