[Asterisk-Users] TE411P Really Bad Echo

[Eric Bishop]

Kevin,

I have experienced the same issue. I get worse echo with the VPM installed
than with software EC. Have had it at 2 different sites with 2 different
TE411P's.

- Eric

On 2/6/06, Kevin P. Fleming <kpfleming at digium.com> wrote:
>
> 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
>
> 1 to 2 _seconds_? There is no echo canceler anywhere that will handle
> that much echo delay.
>
> Did you actually remove the VPM, or just disable it? Please check
> whether you have this problem with the VPM installed but disabled,
> because it could be a bad VPM.
>
> Finally... I know it's Sunday night, but you should really pursue this
> with Digium Support tomorrow morning :-)
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