I was doing some sourceforge searching of audio converter proggies and came accross this

http://sourceforge.net/projects/sipaudiofeeding/

It might be useful to those that need to stream the audio to the system or handsets.

Kev

Ps.. there is more than likely an infinite number of proggies out there that will do the same job and functionality. Google/Yahoo/Ask will give you many. This is but one of them.