Screen : Color display - 2.8 inches x 2.1 inches (7.0 cm x 5.3 cm) Lines : 8 Networking : Ethernet (10/100/1000) line interface Voice Codecs : G.711, G.726, G.729A/B, G.722 (G.726 is not available in SIP) Network Features : HTTP Signaling protocol support : Supports both H.323 and SIP Features : Configurable line appearance/feature key buttons, Touch Screen, 4 position adjustable tilt display Power Supply : EEE PoE 802.3af class 2 device Dimensions : 23 x 23 x 3.5 cm Weight : N/A