REFURBISHED IP PHONE CISCO 7841 GRADE A

Screen 396 x 162 pixel (3.5 in. / 89 mm) High-resolution, graphical grayscale display Lines 4 Networking Integrated IEEE 10/100/1000 switch Voice Codecs G.711a/?, G.722, G.729a, iLBC Network Features Cisco Discovery Protocol, Transparent secure roaming, Provisioning of network parameters through DHCP Signaling protocol support Session Initiation Protocol (SIP) Features Four line and programmable feature keys, Built-in speakerphone, Wideband for enhanced audio clarity Power Supply The phone supports IEEE 802.3af PoE (Class 1), Cisco power cube 3 (CP-PWR-CUBE-3=) and Cisco power adapter 3 (CP-PWR-ADPT-3) Dimensions 20.7 x 20.6 x 2.8 cm