[Asterisk-Users] Fun with Echo

[Eric "ManxPower" Wieling]

The number of taps the EC has to deal with is the delay on the PSTN 
side.  I can't imagine echo is more than a few ms in modern TDM 
networks.  This latency has NOTHING to do with VoIP latency, since the 
echo must be canceled BEFORE it gets to the VoIP side of things.

Brian Swan wrote:
> My wife is the customer, so she tends to give me funny looks when I ask 
> her to sign waivers. ;) In all seriousness, though, I do recall reading 
> that the 256 tap limit is "enforced" in software and that you can 
> add/remove/whatever a few lines of code, and go up to 1024 (or greater 
> I'd assume).  Has anyone tried this?  I'm considering attempting it this 
> weekend to see if it does anything.  Does more taps always = better echo 
> cancelation?


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