Getting chan_console driver to work?

Hello everyone,
I was wondering if anyone got the console driver/device to send clear voice data over to say a SIP phone and vice versa. I have tried to use it but all the sound I hear is an annoying jitter sound. Has anyone used the Console to listen/talk that works?

Thanks

In my view, the console is a proof of concept application, not something to be used in production, although some people apparently use it for paging. I think you can configure jitter buffers, but, as far as I know, there is no support for echo cancellation.