Fun with Echo -- Follow up

[Andrew Kohlsmith <akohlsmith-asterisk (at) benshaw.com>]

On Tuesday 20 June 2006 11:30, Brian Swan wrote:
> 3. Patience and lots of "vi zconfig.h": Try each echo canceler, with
> and without the "Aggressive" option.  What eventually worked for me
> was the MG2 with Aggressive cancelation.

I hate to tell you this, but if you have turned on the aggressive suppressor 
you aren't cancelling echo.  You have turned your phone into a half-duplex 
communication medium.  With the aggressive suppressor enabled, when zaptel 
detects you talking, it MUTES the received audio.

Try it -- call up a friend and ask him to burp the alphabet.  While he's doing 
that, talk to him.  You will stop hearing him whenever you talk.

-A.
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