REFURBISHED IP PHONE CISCO 7911G GRADE A REFURBISHED

Screen Graphical monochrome display with resolution of 192 x 64 pixels Lines 1 Networking 10/100BASE-T Ethernet connection through two RJ-45 ports Voice Codecs G.711a, G.711, G.729a, G.729b, and G.729ab and iLBC audio-compression codecs Network Features Cisco Discovery Protocol; IEEE 802.1 p/q tagging and switching Signaling protocol support Skinny Client Control Protocol (SCCP); supports both SCCP and Session Initiation Protocol (SIP) Features Four dynamic soft keys, more than 24 user-adjustable ring tones, hearing-aid-compatible (HAC) Power Supply IEEE 802.3af Power over Ethernet (PoE), or local power through an optional power adaptor Dimensions 20.3 x 17.67 x 15.2 cm