[Asterisk-Users] Bizarre Echo Problem

[Kris Boutilier]

> -----Original Message-----
> From: asterisk-users-bounces at lists.digium.com [mailto:asterisk-users-bounces at lists.digium.com]On Behalf Of Mark Edwards
> Sent: Monday, October 17, 2005 3:28 PM
> To: Asterisk Users Mailing List - Non-Commercial Discussion
> Subject: [Asterisk-Users] Bizarre Echo Problem
> 
> Before I relate the actual problem, some context.
> 
> Callcentre environment, a few users testing a new digital dialer...
> 
> 1. Agents are using Grandstream ATA HT486 and a small analogue dialpad with a headset.
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> 
> My assumptions....
> 
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> 2. There is nothing I can do to fix the echo problem at my end becuase the echo would need to be dealt with in the ATA and it's already cancelling echo.

If the ATA has echo cancellation then it will be facing the analog device at your end and cancelling echos of the called parties voice that are echoing due to _your_ system. The objective is to keep the echo out of the VoIP network at all costs. Thus;

> Question...
>
> 1. Do I need to go have a little chat to my ITSP

Yes. However, try to come armed with a good sized selection of PSTN numbers that are generating problem echos so they have something to actually look at.

Hope that helps.

Kris Boutilier
Information Services Coordinator
Sunshine Coast Regional District