[Asterisk-Users] T1 Hardware Echo Can

[Robb Meredeth]

Well, first off we're not using them directly off the asterisk.  Our
Asterisk runs into our Alcatel OmniPCX 4400 and then to the PRI.  We have
about 70 or so IP phones off the 4400 and just a few off the Asterisk box
(so far) and of those probably 10 to 15 (alcatel) users complain
consistently about the echo.  We've only put it on one of our spans to start
with and I directed the most complaining users to it.  So far the feedback
has been very good.

I use an IP phone every day and I rarely notice it, but I may have just
learned to tune it out.  :)  But having said that I have noticed that even
that occasional echoing call that I was getting seems to have gone away.

Robb
----- Original Message ----- 
From: "Brent Franks" <mwless at mindworks.net>
To: <asterisk-users at lists.digium.com>
Sent: Friday, July 09, 2004 7:41 PM
Subject: RE: [Asterisk-Users] T1 Hardware Echo Can


> >
> > Ditech Communications ( http://www.ditechcom.com/ ) has a 2 slot and a
> 4
> > slot chassis and you can populate them with just 1 echo cancelling
> card if
> > you like.
> >
> > They have RJ45 jacks and you have to use a T1 Cross cable on both
> sides.
> > We
>
> Hi Robb,
>
> Thanks for your reply.  Have you found that the Echo Can's from Ditech
> take care of your echo?  Do you experience echo on any calls (e.g. 1 out
> of 300 calls, 1 out of 500..?)  Thanks a lot for your advice on this.  I
> will give them a call.  Additionally, what is a ball park range on
> pricing?
>
> Thanks in advance!
>
> - Brent
>
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