[Asterisk-Users] TE411P Really Bad Echo

[Kevin P. Fleming]

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 :-)