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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