Sophisticated. Elegant. Simple. The VVX 501 is a multi-tasker extraordinaire for today's busy professionals, with crystal-clear talk quality that keeps you organized with an efficient and personalized interface. IT will give high marks for easy deployment and training, lower back-end costs and future-ready expandability. 12 line keys support both lines and auto-dial or contact keys. 4 function keys are context sensitive and provide easy to find functions such as transfer, conference and park during the call. Easy to use 3.5" touch screen color display. 12-key keypad with controls for mute, speaker and headphone volume. Poly HD voice technology and Poly Acoustic enclosure technology provide voice clarity and eliminate noise. The full duplex speakerphone features Acoustic Clarity technology, which brings the audio experience as close as possible to being in the same room. Connect the right headset to fit your work style. RJ9 and Electronic Hook Switch supported or connect a USB type headset and have additional call, mute and volume controls synced from the headset. The VVX 501 has 2 USB ports so you can connect your headset, enable Wi-Fi (with optional Wi-Fi dongle), and easily change your screensaver. 2 high-speed 10/100/1000 Ethernet ports with a built-in switch allow LAN connection for your phone with a passthrough connection to your PC. Power over Ethernet (PoE) reduces cable clutter by eliminating the need for a separate power adapter.