High-resolution 4.3” TFT-colour display
Dedicated display for extension monitoring 
Up to 48 BLF keys (12 physical)
Improved graphical user interface
Wide-band hands-free talking
Digital Signal Processor (DSP) enhanced audio quality 
2-port Gigabit Ethernet switch (RJ45) IEEE 802.3
Power over Ethernet IEEE 802.3af, Class 3
USB headset (1) ready
D3 Expansion Module (1) ready 
Support for USB Wi-Fi stick
Electronic Hook Switch (EHS) (1) support for wireless headsets
Built-in Bluetooth compatibility