Fanvil X7, 7" Touch Screen Color Display, 20 SIP lines, 3-way conference, hotspot, HD audio on speakerphone and handset, Up to 127 DSS keys entries available at the display, Built-in Bluetooth for connecting Bluetooth headsetWi-Fi connectivity (via Wi-Fi dongle)Video codec H.264 support for receiving video calls, Stand with 2 adjustable angles of 40 and 50 degrees, Support EHS headsetDual Gigabit ports, integrated PoE, Compatible with major platforms:3CX, Avaya, Asterisk,Broadsoft, Metaswitch, Elastix etc, 1 Years Warranty.