[Asterisk-Users] echo cancellation

[Doug Lytle]

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