The Fanvil X4 is a business-grade IP phone featuring a 2.8" color screen with a resolution of 320x240 pixels. It supports 4 SIP lines, ensuring efficient call management. Equipped with a 2.4" DSS screen, it offers extensive customization options with up to 30 DSS keys across six pages. Enjoy clear HD voice quality, multiple language support, and enhanced security protocols including SRTP, HTTPS, and TLS. The phone is powered over Ethernet and supports Gigabit Ethernet for fast connectivity.