Fanvil X4U Enterprise IP Phone

The Fanvil X4U is a versatile enterprise IP phone designed for mid-range business environments. Featuring dual color displays and support for up to 12 SIP lines, it combines high-capacity call management with advanced audio performance. With dual Gigabit Ethernet ports, PoE support, and USB expansion for Wi-Fi or Bluetooth, the X4U ensures flexible deployment and professional-grade communication for modern offices. The V2 version adds faster processing, 6-way local conferencing, and 3CX router functionality for enhanced workflow efficiency.

Product Features

Dual Color Displays

Includes a 2.8-inch main screen for primary call handling and a 2.4-inch side screen dedicated to DSS (Direct Station Selection) key mapping, allowing efficient multi-line management.

Multi-Line Support

Supports up to 12 SIP lines, enabling users to manage multiple accounts and handle high-volume call traffic simultaneously.

High-Definition Audio

Equipped with Harman speakers and wideband codecs (G.722, Opus) for crystal-clear HD audio on both the handset and full-duplex speakerphone. Acoustic enhancements ensure optimal voice clarity.

Advanced Conferencing

Supports up to 6-way local audio conferencing (V2 version), facilitating seamless team collaboration without the need for external conference devices.

Programmable DSS Keys

The side display features 6 physical DSS keys across 5 virtual pages, totaling 30 programmable keys for BLF, speed dial, or shortcut functions, boosting productivity in busy office environments.

Connectivity & Expansion

Includes dual Gigabit Ethernet ports (10/100/1000 Mbps) with bridging for PC bypass, PoE support, and a USB 2.0 port for Wi-Fi (WF20), Bluetooth (BT20), or local call recording.

Headset Support

Two RJ9 ports support wired headsets and EHS-enabled wireless headsets from Jabra (EHS20) and Plantronics/Poly (APD-80), providing hands-free convenience.

Enhanced V2 Features

The X4U-V2 version includes a faster chipset, quicker startup times, and the ability to function as a 3CX Router Phone (SBC), proxying up to 10 additional handsets.

Security & Protocols

Supports IPv4/IPv6 dual-stack, VPN (L2TP/OpenVPN), and 802.1x network access control to ensure secure, enterprise-grade communication.

Product Specifications

• Display: Main 2.8-inch color screen (320×240 pixels); Side 2.4-inch color DSS display (240×320 pixels)
• SIP Lines: Supports up to 12 SIP accounts
• Networking: Dual 10/100/1000 Mbps Gigabit Ethernet ports with PC bypass
• Power: PoE (IEEE 802.3af Class 2) or optional DC 5V/2A adapter
• USB Expansion: Supports Wi-Fi (WF20), Bluetooth (BT20), and USB flash drives for call recording
• Audio Codecs: Wideband – G.722, Opus; Narrowband – G.711a/u, G.723.1, G.726, G.729A/B, iLBC
• Conferencing: 6-way local audio conferencing (V2); 3-way (V1)
• DSS Keys: 6 physical side keys, 5 virtual pages (total 30 programmable keys)
• Keypad: 41 keys total, including 3 line keys with LEDs, 4 soft-keys, 6 function keys (Hold, Transfer, Conference, MWI, Headset, Redial)
• Phonebook: 1,000 local entries; call logs store up to 1,000 records
• Headset Ports: 2x RJ9 for handset and headset, EHS support for Jabra/Plantronics
• Physical Dimensions (Stand): 45° – 214 × 188.6 × 181.1 mm; 50° – 214 × 180.5 × 190.1 mm
• Power Consumption: Idle ~0.87–1.27W; Peak ~4.72–6.8W (Adapter), up to 10.46W (PoE)
• Security & Protocols: IPv4/IPv6, VPN (L2TP/OpenVPN), 802.1x network access control