[Asterisk-Users] Echo cancellation over satellite link

[Eric "ManxPower" Wieling]

funny guy wrote:

> Just wondering, is the echo canceller in the TE411P capable of 
> cancelling the echo caused by the delay over satellite link (i.e. approx 
> 400 ms delay)?

> 
> Does anyone have any success story to share?

> 
> I'm kinda stuck with a really2 annoying echo... adjusting the gain 
> didn't help... and what should my zapata.conf look like for effective 
> echo cancellation?
> 

Echocan should be placed as close to the PSTN as you can.

I.e. Asterisk -> high latency connection -> echocan -> PSTN.

Not Asterisk -> echocan -> high latency connection -> PSTN.