High-resolution TFT display 32 self-labeling function keys (8 physical) Sensor technology enables responsive UI Wideband hands-free talking (speakerphone) Digital Signal Processor (DSP) enhanced audio quality 2-port Gigabit Ethernet switch (RJ45) Power over Ethernet IEEE 802.3af, Class 2 USB headset(1) ready D3 Expansion Module(1) ready Support for USB WiFi stick Electronic Hook Switch (EHS)(1) support for wireless headsets Dedicated button for page toggling