1

Screen : Medium screen graphic display 168 x 80 pixel, 4 grayscale
Lines : 1
Networking : “Integrated switch base
(two 10/100 BASE T ports with autonegotiation)”
Voice Codecs : G.711, G.729a/b
Quality Of Service : QoS Options of UDP Port selection, Diffserv, 802.1p/q
Network Protocols : SNMP
Features : 12-button touchtone dial pad with raised bar on button labeled five for the visually impaired. Hearing aid compatible
Power Supply : POE
Dimensions : 21.2 x 26 x 7 cm
Weight : 0.9 Kg

Screen : Backlit display – 3.8″ diagonal 1/4 VGA quality grayscale pixel-based with adjustable display angle
Lines : 1
Networking : Ethernet (10/100) line interface with secondary Ethernet interface
Voice Codecs : G.711, G.722, G.726, G.729ab
Quality Of Service : IEEE 802.1Q (VLAN)
Network Protocols : H.323, SIP
Features : Three line appearance buttons with LEDs, Two message waiting indicators, Four-way navigation cluster button, Four contextual softkey buttons, USB interface
Power Supply : Local or Centralized Electrical Power – through POE 802.3af switch, or local power supply
Dimensions : N/A
Weight : N/A

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