For what it's worth, we have been going through very similar issues
with a TE411P - with Digium support, we have basically gone as far as
we can with the HW EC, and are now using MG2 with much better results.
We have a Ditech EC box on order.....
Regards,
--
Anthony Rodgers
Business Systems Analyst
District of North Vancouver
Web: http://www.dnv.org
RSS Feed: http://www.dnv.org/rss.asp
On Feb 7, 2006, at 7:36 AM, Matthew Fredrickson wrote:
On Feb 5, 2006, at 9:36 PM, Stagg Shelton wrote:
> I just implemented a system using a TE411P hardware echo cancellation
> card. Per Digium, I setup zaptel.conf, and zapata.conf the same way
as
> I always have. To my surprise calls out to the PSTN had a terrible
> echo. 1 - 2 second delay, and quite clear. The echo was so bad that
I
> had to remove the hardware echo cancellation module from the card.
We
> are only using the 1st span of this card right now, and we have a
> tdm400p with 4 fxs modules installed as well.
>
> If anyone has experience with this card, can you tell me if I am
> missing
> something.
1 to 2 seconds?! That's ridiculously huge. I don't think you'll find
a echo canceler anywhere that can fix your echo problem. If it gets
better with the VPM disabled, then definitely contact Digium
tech-support about it.
Matthew Fredrickson
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