High-Resolution 2.7 Graphical 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 Wwitch (RJ45) Power over Ethernet IEEE 802.3af, Class 2 USB Headset Ready D7 Expansion Module Ready Support for USB WiFi Stick Electronic Hook Switch (EHS) Support for Wireless Headsets