[Asterisk-Users] Asterisk Echo problems, Urgent, please help,

[Matt]

hi:

We are using 1.0.9 * with sangoma 104 quad card, hooked to 4 E1s. We have no
echo problems at all.

The voice qualities sound and clear, try adjust tx/rxgain a bit. and make
sure your zapata.conf's echocancel param is enabled.

Best Regards

Matt
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__________________________________________________

----- Original Message ----- 
From: "Tom Hayden" <thayden at gmail.com>
To: "Asterisk Users Mailing List - Non-Commercial Discussion"
<asterisk-users at lists.digium.com>
Sent: Thursday, September 29, 2005 6:02 AM
Subject: Re: [Asterisk-Users] Asterisk Echo problems, Urgent, please help,


> What kind of POTS trunks/cards are you using?
>
> --
> Tom
>
> On 9/29/05, Ian Bonham <bon_the_one at hotmail.com> wrote:
> > Hi all,
> >
> > I hope someone can help, as I have an urgent problem.
> >
> > I've got a production Asterisk server thats been deployed, but we are
seeing
> > a strange voice echo problem. There is about a 250ms echo for the users
in
> > the office, and they are hearing their own voice back at them.
> >
> > I'm running the CVS Head code, on RH9.0. This is on a P4 box with 2gb of
> > memory. The client SIP phones are Polycom Soundpoint IP600's, WiFi ZyXel
> > 2000w handsets, and X-Lite (free) PC clients. All see the same problem.
> > There is a bridge into the POTS (BT's SystemX) using a Voicetronix
> > OpenSwitch12 card and the vpbhp driver.
> >
> > The echo occurs on both SIP->POTS calls, and SIP->SIP calls. I've tried
a
> > number of volume adjustments to correct the echo but it is always the
same.
> >
> > If anyone has any ideas I'd really appriciate some help, as this is a
major
> > urgency,
> >
> > Many many thanks,
> >
> > Ian Bonham
> >
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>
> --
> Tom
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