Chat 150 Avaya speakerphone for individual, small, medium or large group use. The CHAT 150 USB connect to PCs for rich, full-duplex audio communications and can be used with VoIP softphones, web collaboration, instant messaging and any other applications requiring two-way audio. A perfect addition to the office or conference room for greatly enhanced collaboration. Three built-in microphones provide full 360-degree coverage up to 8 feet from device. Bridge audio from PC applications with audio on telephone for instant 3-way conference bridge.