[asterisk-users] Cianet channel bank with noise and echo

[Steve Howes]

On 24 Nov 2009, at 13:05, jefferson alexandre wrote:
> I'm running some asterisks in a small voip provider in Brazil and  
> we're having some problems with a analogic channel bank.
> When I make calls using  analogic extensions,  I have a crystal  
> clear quality, but the receptor have a lot of noise and echo.

Does the channel bank have onboard echo cancellation?