Screen : Large Graphical backlit gray-scale display 168 x 132 dots Lines : 1 Networking : 10/100 Base T Ethernet connections Voice Codecs : G.711, G.729a/b, G.726A Quality Of Service : QoS Options of UDP Port selection, Diffserv, 802.1p/q Network Protocols : SNMP Features : 24 programmable feature keys, 10 fixed feature keys, 7 position adjustable desk stand Power Supply : Multiple options, including support for PoE Dimensions : 24.9 x 23.6 x 17.8 cm Weight : 1.3 kg