Andrew Kohlsmith wrote:
Regarding echo tail: Asterisk's default software echo cancellation is only
32ms at maximum. You can blow this number up to 128ms (where the hardware
echo cancellers sit at), but it costs more in CPU time and memory, and I
think that Digium left it at 32ms as a compromise. I'm not sure.
Is there a known "hack" or patch to blow Asterisk's echo canceler up to
128ms? Or at least 64 ms?
I do understand this would not work for medium/large Asterisk servers
but my small-home-office server can't possibly go over two simultaneous
echo-canceled calls because that's the number of POTS lines I've got! My
CPU is almost IDLE with two simultaneous SIP-to-POTS calls - I see that
as waisted resources :-)
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