HD audio with Harman speaker and wideband codec G.722 and Opus.
The main 4.3-inch 480×272-pixel color display and 2 3.5-inch color side display.
Up to 106 DSS keys with 10 line keys with LED light on the main display and 32 physical keys with 3 pages on the extension side.
Dual Gigabit port, PoE integrated.
Built-in Bluetooth.
EHS wireless headset.
WiFi via WiFi dongle.
USB port.
