Screen 640 x 480, 24-bit color, 5-inches graphical TFT color display
Lines 5
Networking Internal 2-port Cisco Ethernet switch allows for a direct connection to a 10/100/1000 BASE-T Ethernet network through an RJ-45 interface with single LAN connectivity for both the phone and a colocated PC
Voice Codecs G.711a, G.711u, G.729a, G.729ab, G.722, iSAC and iLBC audio compression codecs
Network Features Cisco Discovery Protocol (CDP), Link Layer Discovery Protocol Power over Ethernet (LLDP-PoE), Transparent secure roaming, Provisioning of network parameters through DHCP, Switch Auto-Negotiation, VPN Client
Signaling protocol support SIP interoperation with the call control and partner applications enables a rich unified communications solution
Features Ergonomic Design, Customization, Display, Ethernet, Bluetooth, USB, External Audio Ports, 5 Lines Expanding to 77 with 2 Key Expansion Modules, Buttons, Key Expansion Module, Cisco Unified IP Camera, Headset Support, New User Experience, SIP Signaling, Application Support
Power Supply IEEE Power over Ethernet 802.3af and 802.3at supported, class 4. The 9951 is compatible with both class 3 and class 4 IEEE PoE switch blades and supports both Cisco Discovery Protocol (CDP) and Link Layer Discovery Protocol - Power over Ethernet (LLDP-PoE)
Dimensions 23.4 x 26.25 x 3.97 mm
Weight 1.527 kg
