[asterisk-users] Odd echo issue with speaker phone

[Doug Lytle]

BerkHolz, Steven wrote:
>  
>  
> If the call is made without the speaker phone, there is no echo.

This is caused by the port implementation of echo cancellation of the 
phone itself.  Grandstream 102's speaker phone sucks badly.  To the 
point where it's useless.

Doug