[Asterisk-Users] echo cancellation

[Bob McDowell]

My PocketPC with ppcIAX and/or SJPhone behaves in exactly the same way.
The only resolution is to use an earbud...  I'm guessing that the
server's echo cancelling is intended to cancel minor echo introduced by
the path, but doesn't handle 'real' echo caused by looping sound.  Is
that right?


Bob McDowell

-----Original Message-----
From: asterisk-users-bounces at lists.digium.com
[mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Doug Lytle
Sent: Wednesday, March 15, 2006 8:36 AM
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: Re: [Asterisk-Users] echo cancellation

Steven Langley wrote:
> Hi there
>
> I am using asterisk version 1.2.4. I have clients based on the iax 
> client library dialling into meetme sessions. I am experiencing echo 
> in the case where one or more users has speakers instead of 
> headphones. So the audio from me is fed from the other participant's 
> speakers into their mic and back to me.
>   
Echo cancellation is usually the responsibility of the speaker phone,
one without E.C. is unusable.  For instance, the Grandstream BT102's
speaker phone.

Doug

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