[asterisk-biz] hdwr v. sftwr v. no echo cancellation

f>Matt
wrote:

>>
DEFINITELY
use
hardware
echo
canc...
otherwise
you
may
be
upset
with

>>
the
quality
of
some
calls.

Actually,
I
would
agree
with
you
most
of
the
time,
but
for
8
or
less
channels
that
you
will
be
using
with
Digium's
TDM800P
either
choice
would
work.
The
main
consideration
is
the
amount
of
CPU
power
that
your
system
has.
The
hardware
echo
cancellation
module
and
the
HPEC
(High
Performance
Echo
Cancellation)
software
use
the
same
algorithm.
Either
way
you
will
be
using
the
same
AT&T
certified,
toll-quality,
G.168
compliant
echo
canceller.
The
main
reason
to
use
the
VPMADT032
h/w
based
solution
is
because
it
is
immune
from
any
system
CPU
spikes
that
might
otherwise
affect
a
software-based
solution.

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