Product Overview

The Fanvil X4U Enterprise IP Phone is a professional Gigabit SIP desk phone designed for businesses, call centres, hotels, and enterprise environments that require advanced VoIP communication features. Equipped with 12 SIP lines, a 2.8-inch colour display, a dedicated 2.4-inch DSS display, HD audio with Harman speakers, PoE, and dual Gigabit Ethernet ports, the X4U delivers exceptional call quality and efficient communication for busy professionals. It also supports wireless expansion through optional Bluetooth and Wi-Fi dongles, making it a flexible solution for modern workplaces.

The phone features a 2.8-inch (320 × 240) colour LCD for call management and settings, complemented by a 2.4-inch side colour display dedicated to programmable DSS keys. With 6 physical DSS keys supporting up to 30 programmable functions across multiple pages, users can quickly access speed dials, BLF, call transfers, and other frequently used features.

Delivering superior voice quality, the X4U incorporates HD audio with Harman speakers, wideband codecs including Opus and G.722, full-duplex speakerphone technology, acoustic echo cancellation, and advanced noise reduction. These features ensure crystal-clear conversations whether using the handset, speakerphone, or a compatible headset.

Designed for enterprise networking, the phone includes dual Gigabit Ethernet ports with integrated IEEE 802.3af PoE, allowing power and network connectivity through a single cable. It supports IPv4/IPv6, TLS, SRTP, VLAN, OpenVPN, QoS, and 802.1X authentication to ensure secure and reliable communication across corporate networks.

The X4U supports 6-way local audio conferencing, making team collaboration simple without requiring external conferencing solutions. It is also compatible with EHS wireless headsets and supports optional Bluetooth and Wi-Fi connectivity via USB dongles for enhanced workplace flexibility.

With desktop and wall-mount installation options, intuitive controls, and compatibility with leading IP PBX platforms such as 3CX, Asterisk, BroadSoft, Avaya, and Metaswitch, the Fanvil X4U is an excellent communication solution for businesses of all sizes.

Key Specifications

• Brand: Fanvil

• Model: X4U

• Product Type: Enterprise IP Phone

• Display:

  • 2.8-inch Main Colour LCD

  • 2.4-inch DSS Colour Display

• Main Display Resolution: 320 × 240 Pixels

• SIP Accounts: 12 SIP Lines

• Conference Calling: 6-Way Audio Conference

• Audio: HD Voice with Harman Speakers

• Supported Audio Codecs:

  • Opus

  • G.722

  • G.711 A/U

  • G.723.1

  • G.726

  • G.729

  • AMR

  • iLBC

• Speakerphone: Full Duplex

• DSS Keys: 6 Physical DSS Keys (Up to 30 Programmable Functions)

• Line Keys: 3

• Headset Support:

  • RJ9 Headset

  • EHS Wireless Headset

  • Bluetooth Headset (Optional USB Dongle)

• Wireless Expansion:

  • Optional Bluetooth Dongle

  • Optional Wi-Fi Dongle

• USB Port: Yes

• Network Ports:

  • 2 × 10/100/1000Mbps Gigabit Ethernet

• Power over Ethernet: IEEE 802.3af PoE

• Network Features:

  • IPv4 / IPv6

  • VLAN

  • QoS

  • DHCP

  • PPPoE

  • OpenVPN

  • TLS

  • SRTP

  • 802.1X Authentication

• Phone Features:

  • Caller ID

  • Call Hold

  • Call Transfer

  • Call Forward

  • Call Waiting

  • Speed Dial

  • Hot Desking

  • Local Phonebook

  • Remote XML/LDAP Phonebook

  • Voicemail

  • BLF

  • SIP Hotspot

• Installation: Desktop Stand or Wall Mount

• Colour: Black

• Recommended Applications: Offices, Call Centres, Hotels, Reception Desks, Small & Medium Businesses, Enterprise VoIP Systems

• What's in the Box:

  • Fanvil X4U Enterprise IP Phone

  • Handset

  • Handset Cord

  • Ethernet Cable

  • Desktop Stand

  • Quick Installation Guide