Screen 640 x 480, 24-bit color, 5-inches graphical TFT color display
Lines 4
Networking The phone has a 10/100/1000BASE-T Ethernet connection through two RJ-45 ports, one for the LAN connection and the other for connecting a downstream Ethernet device such as a PC
Voice Codecs G.711a, G.711u, G.729a, G.729ab, G.722, and Internet Low Bitrate (iLBC) audio compression codecs are supported
Network Features LLDP-MED, Cisco Discovery Protocol and IEEE 802.1 p/q tagging and switching
Signaling protocol support The phones are supported in Cisco Unified Communications Manager and Unified Communications Manager Business Edition Versions 7.1.5 and later using Skinny Client Control Protocol (SCCP). Session Initiation Protocol (SIP). SIP support is targeted for July 2011
Features Bluetooth Headset Support, Lighted Menu Key, Deep-Sleep Option, Four Soft Keys, Lighted Message Waiting Indicator, Volume Control, Adjustable Ringtones, Four Line Support
Power Supply IEEE Power over Ethernet class 2, Cisco IP Phone Power Cube 3 along with one of the power cords (CP-PWR-CORD-CE for Europe)
Dimensions 235 x 114 x 260 mm
Weight 1.235 kg