A premium three-screen SIP desk phone designed for busy offices and CEOs needing flexibility, connectivity, and reliable performance.

Triple Display & DSS Keys

• Main Display: 4.3″ color LCD (480×272)

• Side Displays: Two 2.4″ LCDs (320×240) for up to 60 programmable DSS keys

• Highlights: Includes 5 LED-equipped line keys and 12 physical DSS buttons with multi-page support

Lines, Audio & Conferencing

• SIP Accounts: Supports up to 20 lines

• Audio: HD with wideband G.722 and Opus codecs; full-duplex speakerphone, echo cancellation, AGC

• Conferencing: 3-way calls; newer versions support 6-way conferencing via software update

Connectivity & Extensibility

• Bluetooth 4.2: Built-in for headset pairing

• Wi‑Fi support: Compatible with external USB dongle

• Networking: Dual Gigabit Ethernet with PoE support, IPv4/IPv6, VLAN, QoS, 802.1x, OpenVPN, LLDP

Phone Features & Usability

• Hotspot Mode: Functions as mini PBX for small offices

• Smart DSS Keys: Intuitive programmable soft keys

• Extensive Call Support: Includes call transfer, hold, park/pick-up, intercom, voicemail, hot-desking, blacklist, auto-answer, DND, screen-saver, ANSI URI actions, and more

Physical Attributes

• Stand: Dual-angle adjustable (45° & 50°); desktop or optional wall-mount

• Ports: Handset, headset (RJ9), USB‑A, dual LAN (network + PC), and optional DC-in

• Power Consumption: ~1.7 W to 10.46 W (PoE); 1.38 W to 9.13 W (adapter)

Security, Provisioning, & Compatibility

• Encryption & Network Security: SIP over UDP/TCP/TLS, SRTP, HTTPS, VPN, AES‑128/256, 802.1x

• Provisioning: FTP/TFTP/HTTP/HTTPS/DHCP/SIP PnP/TR-069; web UI, Telnet, syslog support

• PBX Compatibility: Works with Asterisk, Broadsoft, 3CX, Metaswitch, Elastix, Avaya, etc.

User Feedback & Real-World Usage

            large color DSS keys, value, and strong audio:

“Love the Fanvil phones with the LCD blf fields… half the cost with more user appreciation”
“Sound quality is better on the Fanvil… keypads a bit less responsive but overall good”

Some note minor firmware quirks and provisioning could improve .

Summary

The Fanvil X6U is a feature-rich, enterprise-grade desk phone offering:

• Triple-screen DSS for power users

• Bluetooth & Wi-Fi flexibility

• PoE, wide protocol support, and strong encryption

• Value-packed HD audio and multi-way conferencing