[Asterisk-Users] successful echo cancellation!!! (multitech)

Brent Franks
Wed, 08 Sep 2004 13:30:51 -0000

> -----Original Message-----
> From: asterisk-users-bounces@lists.digium.com [mailto:asterisk-users-
> bounces@lists.digium.com] On Behalf Of Joe Antkowiak
> Sent: Wednesday, September 08, 2004 3:36 PM
> To: asterisk-users@lists.digium.com
> Subject: [Asterisk-Users] successful echo cancellation!!! (multitech)
>
> We recently had a customer install that went horribly wrong.  Serious
> echo (pots lines into a cac cb) that, although * did a good job
> getting rid of alot of it, could not get rid of it all.  We tried
> everything, every canceller, gain setting, etc...  combination
> possible to no avail.
>
> Both the vegastream and mediatrix boxes also could not get rid of all
> of the echo.
>
> So, on an off chance, we bought an 8 port fxs/fxo/e&m gateway made by
> multitech.  The echo cancellation on this device is amazing.  There is
> no trace of the echo and the conversation is still full duplex.  And,
> the box works perfectly with asterisk.  Unfortunately, the retail
> price on these boxes is $3k.
>
> Just thought I'd share my experience...
>

Theat's great.  I, too, had the same problem with Echo.  I got sick of
hearing about it, so we purchased a T1 Echo Can (@ recommendation of TC)
that sits between the CB and T100P.

Was pretty easy to setup too, and cost $800 all said and done (power
Supply, Chasis, and Echo Can Cards.)

- B