[Asterisk-Users] TE411P Really Bad Echo

[C F]

The most common Tellabs EC are not the ones from the 80s, I was just
pointing out that the quality was good, since they still last now 20
years later.

On 2/11/06, Steve Underwood <steveu at coppice.org> wrote:
> 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, asterisk at anime.net <asterisk at anime.net> 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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