[Asterisk-Users] PRIs from two different telco

[Matthew Fredrickson]

On Apr 28, 2006, at 8:45 AM, Don Pobanz wrote:

> Wai Wu wrote:
>> One question thought, does  the hardware echo cancellation work much 
>> better than software?
>
> I bought a Digium TE411P hoping the hardware echo canceler would 
> improve my echo problems over the software echo canceler, but had no 
> performance improvement. Since then I have heard that the Digium T1 
> cards use the same algorithm for both hardware and software echo 
> canceling so hardware will only work better if your CPU is overloaded 
> when doing software echo canceling.
>

I don't know where you heard this, but the hardware echo can and the 
software can are completely different, bearing no sort of common 
heritage.

Matthew Fredrickson