[asterisk-dev] Zaptel echo canceler as runtime option

[Kevin P. Fleming]

Klaus Darilion wrote:

> HAve there ever been thoughts about having all of them available and
> choose them as zapata.conf option?

I don't think so, although it could certainly be done.

> btw: Why is the echo cannceler not a generic PBX feature? Instead it is
> present in various channel drivers of hardware modules.

It needs to live as close to the hardware as possible; latency
(especially variable latency) must be kept to a minimum for the echo
canceler to have the best chance to do its job properly.