[Asterisk-Users] E1 Echo

[Florian Overkamp]

Hi Rich,

Rich Adamson wrote:
>>Sangoma echospike tools?  Please elaborate!
> 
> See sangoma's -users posting from Dec 13th, which I quote:
> 
> "I just wanted to let you know that we do provide a tool to debug echo. 
> 
> We send a unit impulse and record the Finite Impulse Response (FIR) so it
> can be plotted and analyzed. The code that does this is the release at
> ftp.sangoma.com/linux/custom/2.3.4. Instructions on using it are in the wiki
> in http://sangoma.editme.com/wanpipe-linux-asterisk-debugging.
> 
> Although the code is wanpipe, all the interaction is at the zaptel level, so
> I am pretty sure it will work on Digium or other cards as well.
> 
> Just being able to see what the echo looks like on a troublesome line gives
> quite a lot of info. You can see if the echo is delayed, or markedly
> non-linear."
> 
> I haven't tried it as yet but plan to do so. 

Correct, this is what we used.

Florian