G.711a, G.711?, G.729a, G.729ab, G.722, and iLBC audio compression codecs are supported

Screen : Large pixel-based display
Lines : 2
Networking : Two-port Ethernet switch allows for a direct connection to a 10/100BASE-T Ethernet network
Voice Codecs : G.711a, G.711?, G.729a, G.729ab, G.722, and iLBC audio compression codecs are supported
Network Features :
Signaling protocol support : Skinny Client Control Protocol (SCCP) and Session Initiation Protocol (SIP) with Cisco call control
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