[Asterisk-Users] TDM04b and echo

[Ariel Batista]

Matt Fredrickson wrote:
> On Wed, Aug 31, 2005 at 08:45:34PM -0500, chris gamble wrote:
>> the echo isnt horrible most of the time, and seems extremely random
>> in that i can call a number once without echo, then dial the same
>> number a second time and get echo.
>>
>> things i am currently considering (and would like to know if these
>> might be useful)
>> 1> upgrade from 1.09 ( asterisk at home ) to 1.2 cvs code base

PS you dont' need to upgrade asterisk to CVS Head to use the Zaptel from CVS 
head and the new Echo setup. I just installed it on 3 systems and they all 
improved. Using the KB1


> That is worth a shot.  There are a few new echo-related features that
> have been added:
>
> 1.) fxotune - try this first.  There is a file called README.fxotune
> that explains how to use it.  It is primarily for doing echo related
> line tuning (which in your case possibly won't help).
>
> 2.) Also, there is a new echo canceller in CVS-HEAD zaptel that has
> received a lot of positive feedback.  Look in zconfig.h for
> ECHO_CAN_KB1 for further information.