NEC BE117453 Sl2100 IP Self-Labeling Telephone (BK) VoIP NEC I-SIP Multi-Line Telephone for SL2100 Supports Ethernet Gigabit Speed (Full Duplex) 8 Programmable Keys Visible at a Time (May Scroll Up to 32) Programmable Button Labels Powered via POE Full Duplex Speakerphone Elegantly designed and feature-packed Customizable to meet employees’ specific communications needs Supports a wide-range of applications which can help improve overall employee efficiency and productivityDelivers maximum deployment flexibility and investment protection Easy to use intuitive interface and an interactive user manual