X3U is an entry-level color screen IP Phone. With all the necessary VoIP features and other extended features like EHS headset, it provides the high-quality and convenient experience for users at an affordable price. – 6 SIP lines, 3-way conference, SIP hotspot – 3 Line keys on the main display – 2.8” main color display – HD audio on speakerphone and handset – Opus voice: can handle a variety of audio applications, including IP voice, multiparty conference etc – Support EHS wireless headset – Dual Gigabit ports, integrated PoE – Stand with 2 adjustable angles of 45 and 50 degrees – Compatible with major platforms: Asterisk, Broadsoft, 3CX, Metaswitch, Elastix, Avaya etc.