Features:
Crystal clear VoIP Comm
In-game UI overlay displaying chat and incoming VoIP
Channels easily created and managed for real-time discussions
Push-to-Talk functionality for fast and effective communication
Game Launcher for quick game access at startup
Server-based infrastructure prevents exposure of personal IP address

Price:
Free
Operating System:
Windows Vista, Windows 7, Windows 8(32-bit and 64-bit) Starter / Home Basic / Home Premium / Professional / Ultimate
Hardware Requirements:
1.7 Ghz Processor,
512MB Ram,
DirectX 9 level Graphics card,
Internet Connection