The Polycom CX200 desktop phone: - Provides crystal clear audio for calls through high-definition and high-fidelity audio as well as a full-duplex speakerphone. - Integrates tightly with Microsoft Office Communicator 2007 for convenient calling functionality. - Offers hands-free calling through its speakerphone or private calls through its high-quality handset, along with easy installation through a single USB cable connection.