Screen : Large pixel-based display Lines : 1 Networking : Two-port Ethernet switch allows for a direct connection to a 10/100BASE-T Ethernet network Voice Codecs : G.711 and G.729a audio compression Network Features : Dynamic Host Control Protocol (DHCP), Trivial File Transfer Protocol (TFTP), H.323 and Microsoft NetMeeting compatibility Signaling protocol support : Features : Six programmable line/feature buttons and four interactive soft keys, direct access to voice mail, LDAP3 standard directory, access diverse information such as weather, stocks, quote of the day, or any Web-based information using extensible markup language (XML) Power Supply : 48 VDC required, supplied locally at the desktop using an optional AC to DC power supply Dimensions : 20.32 x 26.67 x 15.24 cm Weight : 1.6 kg