[Asterisk-Users] BAD/GOOD Echo Cancel

[Eric "ManxPower" Wieling]

James Harper wrote:
> Just an enquiring mind wanting to know, but how is a hardware solution
> different to a software solution? The echo cancellers in the Digium
> hardware presumably just use the same sort of algorithms as the software
> versions, so it is just that they are dedicated and perform better, that
> they are closer to the source of the echo, or some other thing that I've
> overlooked?

I don't think this is the case.  I would assume that the VPM would use a 
chip from a 3rd party, one that actually does good echocan.