I don't know about the Tellabs cancellers in particular, but I think any
echo canceller built in the 80s will be a fairly poor performer. Many
improvements in EC occurred in the early 90s, in response to the
problems of earlier cancellers. Also, most older cancellers only cancel
fairly short echo tails, as the compute needed for longer cancellation
was expensive.
On the other hand, they may be adequate for your needs, and are cheap.
Steve
C F wrote:
Could be, but I don't see why one would spend more just becuase the
answer is yes. The tellabs will do the job perfectly (at least in my
experience) and can be picked up for less than $100.00 on eBay. They
have proven to last for 20 years (the older models being sold on eBay
were manufactured in the 80s). I see no reason to spend the money.
On 2/11/06, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote:
On Sat, 11 Feb 2006, Rob Lith wrote:
TE406P/411P and if you need to go dedicated to hanlde all possible look at
an external dedicated canceller like www.oriontelecom.com VCL-E1 ECHO
CANCELLER (1U Version) ± $1295
Is the orion echo canceller a higher quality EC than tellabs?
-Dan
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