[Asterisk-Users] PRI and echocancel

Tobias Jönsson asterisk at tobiasjonsson.se
Thu Feb 17 11:43:37 MST 2005


Eric Wieling wrote:
> Tobias Jönsson wrote:
>
>> If you need echo cancelling on the PBX PRI depends on the phones used on
>> that PBX. If they are all digital and they do not introduce any echo you
>> will not need any echo cancelling.
>
> The outside phone will still (usually) be analog and cause echo.  So
> unless you are only calling other VoIP or cell phones you still need
> echo canceling when using PRI.

Yes, that is exactly what I wrote??:

> On the T1 side you will probably need echo cancelling since there
> might be an analog phone in the other end.

-- 
Best Regards,
Tobias Jönsson, Lund SE



More information about the asterisk-users mailing list