Fanvil X1SG - 2 Sip Line PoE IP Phone, With Gigabit Ports 2 SIP lines, 3-way conference, SIP hotspot 1000 local phonebook, caller ID, call hold, call transfer 128x48 Dot-matrix display Ports: 2x Gigabit HD audio on speakerphone and handset Support EHS wireless headset Dual Fast ports, integrated PoE 2xGigabit ports Stand with 2 adjustable angles of 45 and 50 degrees Compatible with major platforms: Asterisk, Broadsoft, 3CX, Metaswitch, Elastix, Avaya etc.