Mellanox Technologies 40G QSFP

Large, pixel-based LCD display that provides information such as date and time, calling party name, number, and digits dialed
2 programmable line and feature keys
4 dynamic soft keys to guide users through call features and functions
Built-in headset port and high quality speakerphone with mute
Internal Cisco two-port Ethernet switch
Messages key offers direct access to voicemail
Powered by local 48VDC power supply (sold separately; see drop down option above) or any Cisco Inline Power-capable blades and boxes
Pre-loaded with SCCP for Cisco users