Nortel Norstar Audio Conferencing Unit (NTAB2666) Perfect for small- to medium-size conference rooms and offices, the Norstar Audio Conferencing Unit plugs into any Norstar digital telephone jack. It requires no additional telset, analog adapter, or analog line cord. Its sleek, space-age design includes full duplex technology and a keypad with a feature button that lets you easily access all of the key conferencing features available from the Norstar 7100 set. The Norstar Audio Conferencing Unit Series 2 provides a 50% increase in microphone sensitivity over the award winning Series 1. Features: Acoustic Clarity Technology - Simultaneous, natural, free-flowing conversation Easy to install and use - Connects directly into your Norstar digital telephone jack Voice coverage — 360° voice coverage picks sound from any point in the room. Automatic room mapping — Adapts to optimize performance. Full duplex technology — Reduces time delays and audio clipping. Speaker — Digitally tuned speaker. Compatibility Norstar CICS, MICS, and BCM digital (TCM) telephone ports
