[Asterisk-Users] Echo Cancellation Feature

[Brent Franks]

> I'm no longer having echo issues with any of my equipment.  The IP
500's
> are good phones and I've heard nothing but good things about the
Sipura
> devices.  The problems I had were with snom phones.  It turned out I
had
> a couple of bad handsets that were giving me grief.
> 

How do you interface to the PSTN?  T100P, X100P, What brand channel
bank?  

Thanks,

Brent