: Asterisk Users Mailing List - Non-Commercial Discussion
Asunto: Re: [Asterisk-Users] TDM400P bad echo problem, tried lots of
things
Try fxotune. That's the first thing you should have used.
Matthew Fredrickson
On Jun 20, 2006, at 11:55 AM, Carey O'Shea wrote:
> I have a bad echo problem
Try fxotune. That's the first thing you should have used.
Matthew Fredrickson
On Jun 20, 2006, at 11:55 AM, Carey O'Shea wrote:
I have a bad echo problem on my TDM400P with one FXO module installed.
I have tried a few things, such as:
* setting rxgain and txgain to 0
* setting echocancelwhe
I was having this issue - though a DSL filter was the root cause.
Here is what I did to erradicate echo:
Upgrade to newest zaptel/libpri.
cd /usr/src/
mv zaptel zaptel.old
mv libpri libpri.old
svn checkout http://svn.digium.com/svn/zaptel/trunk zaptel
svn checkout http://svn.digium.com/svn/lib
Try these settings in zapata.conf:
echocancel=64
echotraining=800
echocancelwhenbridged=yes
rxgain=3.2
txgain=-3.2
with default KB1 echo canceller in zconfig.h
This setup was working fairly okay for me for about a year or so.
Also, notice that at the first seconds of the call you may hear some
I have a bad echo problem on my TDM400P with one FXO module installed.
I have tried a few things, such as:
* setting rxgain and txgain to 0
* setting echocancelwhenbridged to no / yes
* settting echocancel to 64 / no / yes
* setting echocanceltraining to 800 / no / yes
* MG2 echo cancellation
* M
