Nortel NTEX11AA70E6 IP 2033 Audio Conference Phone (Refurbished)The 2033 IP Audio Conference Phone is a full duplex, handsfree conference phone which is ideally suited for conference rooms of small to medium size and managerial executive offices. Key Features: Exceptional coverage 360 degree room coverage with optional expansion microphones offers flexible and expandable coverage for small to medium sized conference rooms or offices (up to 20 ft. x 30 ft. 6. 1 m x 9. 1 m) Easy to read display Backlit 3x24 LCD