["The Fanvil \"Fanvil X3U provides direct access to instructions with the intuitive design of high-resolution color display and line keys with LED light.\" \"The Fanvil X3U offers direct and intuitive access to functions thanks to its high-resolution color display and illuminated line keys.\" \"Support for wideband codecs G.722 and Opus guarantees excellent audio quality in both high and low bandwidth networks.\" \"The support of G.722 and Opus ensures excellent voice quality - even at low bandwidth.\" Ideal for companies with medium communication needs - the Fanvil X3U impresses with its performance, easy operation and future security", "3 SIP lines", "2.8\" color display (320 × 240)", "3 line keys with LED", "4 soft keys", "HD audio with G.722 & Opus", "Dual Gigabit Ethernet with PoE", "USB port for expansion", "EHS headset support", "Wall mounting possible"]