2.8 inch backlit color LCD display 2 line appearance keys 1 feature key 4 context-sensitive soft keys 5-way navigation controller Headset, speaker and mute keys LED Message Waiting Indicator Volume control 4P4C (RJ-9) handset jack 4P4C (RJ-9) headset jack Electronic Hook Switch (EHS) port PoE 2 switched 10/100 Mbps Ethernet ports 5 volt DC power port