Fanvil X4U

Enterprise   IP Phone HD audio with Harman Speaker and wideband codec G.722 and Opus

High-definition 2.8-inch 320x240-pixel colour display, 2.4-inch 320x240-pixel   colour side display

12 SIP lines, 30 DSS keys, 3 line keys with LED light,   Dual Gigabit port, PoE integrated

Supports EHS wireless headset

Supports Bluetooth via Bluetooth dongle,

Supports WiFi via WiFi dongle

Supports IPv4, IPv6 protocol