[Asterisk-Users] TE411P Really Bad Echo

[Stagg Shelton]

Yes,  I actually just removed the VPM.  After doing so, I had echo at 
the beginning of the call, but it trained out after a second at least 
making it usable.  I plan on contacting digium support this morning.  Do 
you know if there are any docs specific to this card or the vpm module 
itself?

--Stagg
www.oneringnetworks.com


Kevin P. Fleming 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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