[asterisk-users] Echo Cancelation

[Kevin P. Fleming]

Robert Boardman wrote:

> I Have an ISDN 30 circuit passing through an asterisk box to a legacy 
> pbx, all is working well but I have had a problem that modems do not 
> work, I thought of turning off echo cancelation but I cann t seem to 
> find the ial switch do do it, could someone point me in the right 
> direction to enable /disbale ec on a zap channel per call?

Modems and FAXes already disable echo cancellation by themselves during
all setup (on the Asterisk console you'll see messages telling you the
canceller was disabled due to reception of a CED tone).

-- 
Kevin P. Fleming
Director of Software Technologies
Digium, Inc. - "The Genuine Asterisk Experience" (TM)