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
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