[Asterisk-Users] TE411P zapata.conf, monitoring echo cancellation and echo tail size

[Matt Florell]

I was told you can leave echocancel=yes with no problems, the drivers will 
see it and take over if the echocancel card is present.

I have found no method of monitoring echo cancellation(other than listening 
for echo on live calls) without altering asterisk or zaptel code. But there 
are no tools for it built in to asterisk or zaptel.

Currently the echo tails are hardcoded and are not configurable. I think 
it's set at 16ms for all channels on the card. Talking with support at 
Digium and they said it may be an option to set it differently in a future 
driver version.

MATT---


On 9/8/05, Eric Bishop <asterisk.eric at gmail.com> wrote:
> 
> Hi all,
> 
> 1. Just bought a new TE411P and about to install it replacing the existing 
> TE410P. I am assuming I need to set echocancel=no and 
> echocancelwhenbridged=no now that it will be done in hardware, correct?
> 
> 2. Is there any way to monitor hardware echo cancellation to ensure it is 
> working (apart from being on a call)?
> 
> 3. The Digium webite says "By supporting 16ms with 128 channels or 64ms on 
> 32 channels this card will perform in the most difficult of environments.". 
> How do I switch the echo tail size between 16ms and 64ms?
> 
> 
> Thanks.....
> 
> 
> 
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