Jesepi
Well-known member
http://mumble.sourceforge.net/ said:Mumble is an open source, low-latency, high quality voice chat software primarily intended for use while gaming.
People have written scripts that allow both SMF and PHPBB forums to provide the authentication for mumble servers.
http://gitorious.org/mumble-scripts/mumble-scripts/trees/master/Authenticators/
Having XenForo in the list would be a great thing.
http://mumble.sourceforge.net/