- Standard IP Phone with 6-Line Display in Black- Large alphanumeric display easy navigation key and 2nd IP port to reduce desktop cable clutter - HD audio quality - Backlit LCD display with 4 levels of contrast - Soft Keys: 4 - Programmable Keys: 24 - Headset Port: 2.5mm jack - EHS compatible (PL-84757-01) - Audio Codecs: G.711 G.722 G.726 G.729a - Mute - Speakerphone - Phone directory - Outgoing/incoming call log - Power Requirements: PoE or optional power adapter (A239) - Wall-mount option (A433)