http://en.wikipedia.org/wiki/Mumble_%28computer_software%29

"Mumble is a free, open-source, cross-platform voice over IP
application. Its primary users are gamers, and it is similar to programs
such as TeamSpeak and Ventrilo. It uses a Client-server architecture
where users who want to talk connect to the same server."

-- 
James Cameron    mailto:quozl at us.netrek.org     http://quozl.netrek.org/