[Asterisk-Users] Re: Help with strategy for echo cancellation.

[Shilliday, Jim]

All this is consistent with Cisco's analysis -- you can have echo
without analog ports IF there's an analog circuit at the other end of
the call (and there usually is).  We're getting echo on outgoing calls
through VoicePulse, not on the FXO's that only carry incoming traffic.

Jim Shilliday
IT Director
Equal Justice Center
1315 Walnut St. Suite 400
Philadelphia PA 19107
215-238-6970
 

-----Original Message-----
From: Bruce Komito [mailto:brucek at bagel.com] 
Sent: Thursday, September 23, 2004 11:21 AM
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: Re: [Asterisk-Users] Re: Help with strategy for echo
cancellation.

Not true, in my experience.  We have no analog lines (i.e., no FXO
ports),
only PRIs, and we have consistent echo problems.

Bruce Komito
High Sierra Networks, Inc.
www.servers-r-us.com
(775) 236-5815


On Thu, 23 Sep 2004, David Cook wrote:

> I'd like a good plan for this too, however this problem seems to exist
> only with analog FXO interfaces. If you have 12 lines, would it not
> have been cost effective to go fractional T1 then the box would be
> cleaner and the problem be averted?
>
> Quoting asterisk-users-request at lists.digium.com:
> > I have just installed * (RH9, P4 3.0GHZ, 1G RAM) in a small office,
> > using three TDM400's with 4 FXO's each for incoming calls.  Outgoing
> > calls are (for the moment) routed via VoicePulse.
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