[Asterisk-Users] Echo canceller on TE406 & Asterisk

[Rod Bacon]

I have similar problems with performance degradation over time.

I'm about to post another message to the list (once I have some more 
information). Stay tuned.


==========================================
Rod Bacon
Empowered Communications
Ground Floor, 102 York St. South Melbourne
Victoria, Australia. 3205
Phone: +613 99401600    Fax: +613 99401650
FWD: 512237                   ICQ: 5662270
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Boris Bakchiev wrote:
> Hi,
> 
> I have TE406P (2nd gen card with echo cancellation on-board).
> We still notice quite often echo on our PBX that is connected to one of
> the spans on TE406P (with calls routers to PRI provider on another
> span).
> 
> I've tried to experiment with the echo cancellation on asterisk.
> 
> I enabled echo cancellation in Zapata.conf to see if I can improve the
> situation and users started reporting "warping bubble" (description I
> got from one of the users) sound on calls from PABX->Asterisk->PRI (and
> other way).
> 
> I was expecting that asterisk would disable its echo cancellation once
> it find on-board module.
> 
> The strange thing I noticed that after system reboot things are now
> better. 
> Although I cannot say for sure because the system was ever rebooted 2
> times.
> 
> Can anyone shed some light on this? Has anyone had similar problems?
> Or point me into right direction for troubleshooting?
> 
> Regards
> Boris
> 
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