[Asterisk-biz] PRI and echo cancelation ...

Tom Rymes trymes at rymesheating.com
Thu Aug 18 05:27:29 MST 2005


On Aug 18, 2005, at 3:28 AM, Rob Lith wrote:

> The only instance you'll get classis 'echo' is when calling from you
> ISDN to an analogue line on the far end.

Doesn't that describe at least 80% of phone calls? I know that here  
in the US 99.99% of our customers have POTS analog telephone lines.  
The only ones who don't are commercial accounts that have T1 or PRI  
service, and maybe one guy who has a BRI for some unfathomable reason.

Tom



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