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

[Eric Wieling aka ManxPower]

Rob Lith wrote:
> On 8/17/05, Matthew Boehm <mboehm at cytelcom.com> wrote:
> 
>>Alan Bunch wrote:
>>
>>>I have been reading with great interest the posts on trouble shooting
>>>echo cancellation with *.  Is it just coninsidence that all of this
>>>discussion has been with analog lines.  Are PRI's susceptible to echo
>>>problem like POTS lines.
>>>
>>>Thanks for clearing this up.
>>>
>>>Alabun
>>
>>Yes they are. And nobody seems to know how to diagnose it.
>>
>>-Matthew
> 
>  
> How is it possible with digital lines?

It basically isn't (there are a few exceptions like a bad speaker phone 
causing echo or other oddities like that).  Everyone forgets that the 
OTHER END OF THE PSTN CALL is usually analog and therefore WILL generate 
echo.

-- 
Eric Wieling * BTEL Consulting * 504-210-3699 x2120