Fanvil’s FAN-X4U features dual Gigabit Ethernet ports, 802.3af/at PoE, 12 SIP lines, HD Audio with Opus support, a 2.8′ main colour LCD screen as well as a 2.4′ DSS colour display. The unit also makes provision for WiFi and Bluetooth connections via external dongles (not Included). The FAN-X4U is compatible with major platforms such as 3CX, Broadsoft, Elastix, Asterisk, Xorcom, etc.