Fanvil's FAN-X1SG features dual Gigabit Ethernet ports, 802.3af/at PoE support, 2x SIP lines, a 3-way conference function, 1000 phone book entries and an easy-to-read lattice display. The FAN-X1SG is compatible with major platforms such as 3CX, Broadsoft, Elastix, Asterisk, Xorcom, etc.