#4362
When we play games through the LAN/WAN, as an auxiliary means, the voice communication makes the game itself more interesting. But the currently common voice communication programs may be associated with a high latency (not a live chat in the true sense) and/or unstable (often loses connections) phenomenons. At this point, you can try Mumble this low-delay, high-quality, and anechoic voice chatting software.

#4273
Jitsi (AKA: Jitsi Desktop, formerly called SIP Communicator) is a powerful, scalable, secure (using the SIP/RTP/SRTP/ZRTP encryption algorithms), high-quality and community-driven VoIP/video conferencing/instant messaging application from France, written in Java. It's free, open-source, cross-platform (across Windows, Linux, Mac OS X desktop platfroms and Andrjoid, iOS mobile devices), multi-protocol and multi-user on use and allows to be made secondary development.