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?
Thanks!
Brian
On Jun 9, 2006, at 12:15 PM, Mike Fedyk wrote:
Steve Davies wrote:
On 6/9/06, Dr. Michael J. Chudobiak <[EMAIL PROTECTED]> wrote:
Consider getting a Sangoma A200D
(http://www.sangoma.com/datasheets/p_a200-specs) with the optional
hardware echo canceller module. It "just works" for echo
cancellation;
no tweaks required. It takes a while to figure out how to install
it,
but once it's working it's great!
Yes, I must agree that hardware echo cancellation from Sangoma (and I
am sure Digium and others) is excellent, but it does add to the cost
quite significantly sometimes.
If you haven't had your client sign a waiver that there maybe echo
because of the cheap hardware, then don't use the tdm400p. I've
wondered why the software echo can in zaptel doesn't go up to 1024
taps and causes major problems at 256 taps. The tdm400p cards
don't have a high port density, you'd run out of slots before
hitting CPU barriers so why not use some of those resources for an
echo can with a longer tail?
Use either the sangoma cards with echo can, or get a tdm2400p with
echo can. You will have happier customers if you do.
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