It contains 20 SIP lines,3-way conference, hotspot · 7" capacitive color touch-screen · HD audio on speakerphone and handset · Up to 127 DSS keys entries available at the display · Built-in Bluetooth for connecting Bluetooth headset · Wifi connectivity (via Wifi dongle) · Video codec H.264 support for receiving video calls · Stand with 2 adjustable angles of 40 and 50 degrees · Support EHS headset Dual Gigabit ports, integrated PoE · Compatible with major platforms: 3CX, Avaya, Asterisk, Broadsoft, Metaswitch, Elastix etc.