[Asterisk-Users] T1 Hardware Echo Can

[Steve Underwood]

Rich Adamson wrote:

>[...]
>If you install a T1 card and an external T1 mux (with fxo cards), the
>echo can function already exists within the mux and/or cards. Don't
>really need 'another' external echo can box unless you actually 
>purchased a T1 mux that didn't have echo can in the first place (and
>they do exist). 
>  
>
[...]

T1 muxes do not normally contain an echo canceller. It is a special item 
if it actually *does* contain an echo canceller.

Regards,
Steve