As the Gigabit IP phone with a 2.8-inch color display, Fanvil X3SG new version has better improvement on elegant appearance as well as functional performance than Fanvil X3G. Fanvil X3SG new version possesses G.722 and Opus to deliver the users a crystal-clear audio enjoyment. Newly added function keys, increased SIP lines and supported EHS headset also make it an efficient business tool in office.