Yealink CP960 Optima HD IP Conference Phone ONLY - Black/SilverYealink CP960 Optima HD IP Conference Phone. This is the Phone ONLY, it does not include the CPW90 Wireless Microphones. Black Silver Version. Features: First class, high performance device for mid large meeting rooms with up to 20 people The Yealink Noise Proof Technology intelligently eliminates background noises. It automatically mutes the microphone when no human speech is detected. When speech is detected, it automatically minimizes background