Fanvil X4U Enterprise IP Phone

The Fanvil X4U Enterprise IP Phone is a dual-screen VoIP phone designed to support business communication in corporate offices, reception areas, and administrative workstations. Its 2.8-inch main color display provides access to call information and phone functions, while the 2.4-inch secondary color display supports dynamic DSS key management.

With support for up to 12 SIP lines and local 6-way audio conferencing, the X4U helps users manage multiple communication accounts and participate in conference calls. Its HD audio capabilities support wideband codecs, including G.722 and Opus, for voice communication through the handset and hands-free speakerphone.

The phone includes dual Gigabit Ethernet ports and integrated Power over Ethernet (PoE), allowing network connectivity and power through a compatible Ethernet connection. It also supports up to 30 virtual DSS keys across five pages, compatible EHS wireless headsets, and optional Bluetooth and Wi-Fi dongles. These features make the Fanvil X4U suitable for business environments that need efficient call handling and flexible desktop communication. Official Fanvil product documentation

Main Features

• Dual Color Displays: Features a 2.8-inch main color display and a 2.4-inch secondary color display for call information and DSS key management.
• 12 SIP Lines: Supports up to 12 SIP lines for handling multiple business communication accounts.
• Up to 30 Virtual DSS Keys: Provides up to 30 virtual DSS keys across five pages for functions such as Busy Lamp Field (BLF), speed dialing, and call management.
• HD Voice Audio: Supports wideband G.722 and Opus codecs for voice communication through the handset and speakerphone.
• 6-Way Audio Conferencing: Supports local audio conferences with up to six participants on the applicable hardware version.
• Dual Gigabit Ethernet Ports: Includes two 10/100/1000 Mbps Ethernet ports for high-speed network connectivity and PC passthrough.
• Integrated Power over Ethernet (PoE): Supports PoE for power and network connectivity through a compatible Ethernet connection.
• Wireless Headset Compatibility: Supports compatible EHS wireless headsets and Bluetooth headsets through a suitable USB dongle.
• USB 2.0 Connectivity: Provides a USB port for supported accessories, including compatible Wi-Fi or Bluetooth dongles.
• Flexible Installation: Supports desktop placement with adjustable stand angles and optional wall mounting with the appropriate mounting accessory.

Main Specifications

• Model Name: Fanvil X4U
• Product Type: Enterprise SIP IP Phone
• Main Display: 2.8-inch color LCD
• Secondary Display: 2.4-inch color LCD for DSS keys
• SIP Line Capacity: Up to 12 SIP lines
• Audio Codecs: G.722, Opus, G.711A/U, G.723.1, G.726, G.729AB, and iLBC
• Audio Conferencing: Local 6-way audio conference on the applicable version
• Network Interfaces: 2 × RJ45 10/100/1000 Mbps Gigabit Ethernet ports
• USB Interface: 1 × USB 2.0 port for supported dongles and accessories
• Power Supply: IEEE 802.3af PoE or compatible external power adapter; confirm the adapter rating for the supplied version