[X4U] Fanvil X4U Enterprise IP Phone, Dual Color Screens, 12 SIP Lines, Gigabit PoE

Fanvil X4U Enterprise IP Phone, Dual Color Screens, 12 SIP Lines, Gigabit PoE

2.8-inch main color screen plus 2.4-inch color DSS screen
12 SIP lines with 6-way audio conference
3 line keys on the main display
6 DSS keys on the extended screen, up to 30 DSS keys via 5 pages
HD voice with G.722 and Opus on HD handset and speaker
Dual Gigabit Ethernet ports with integrated PoE
Bluetooth and Wi-Fi via USB dongles (BT20 / WF20)
EHS wireless headset support; stand with 45°/50° angles

IP Phone SIP PoE Gigabit Color Screen HD Voice Business Phone

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Delivery within 2–5 business days across Saudi Arabia
Warranty according to the manufacturer
Tax invoice with every order
Technical support before and after purchase

Not sure this model fits your setup? Read the buying guide

Documents

Fanvil_X4U_Datasheet.pdf

Overview of Fanvil X4U

The Fanvil X4U is an enterprise IP phone for professionals who handle many lines and contacts every day. A 2.8-inch main color screen is paired with a 2.4-inch color DSS screen offering up to 30 programmable DSS keys across 5 pages, alongside 3 line keys and 12 SIP lines – ideal for managers, assistants, receptionists and team leaders. HD voice with G.722 and Opus delivers clear audio, while dual Gigabit ports with integrated PoE suit modern office networks. A USB port enables Bluetooth or Wi-Fi via dongles, and EHS headsets, XML/LDAP phonebooks, VPN and auto-provisioning are supported.

Technical Specifications

General

Model	X4U
SIP Lines	12
Main Screen	2.8" 320x240 color
DSS Screen	2.4" 240x320 color
Keypad	41 keys
Line Keys	3 (with LED)
DSS Keys	6 per page, up to 30 (5 pages), with LED

Phone Features

Local Phonebook	1000 entries
Remote Phonebook	XML/LDAP, 1000 entries
Call Logs	1000 (in/out/missed)
Audio Conference	6-way
Recording	Supported
Call Features	Hold, transfer, forward, call waiting, DND, intercom, hot desking
Customization	Background, boot logo, DSS icons, BLF, LED

Audio

HD Voice	HD handset (HAC) and HD speaker
Wideband Codecs	G.722, Opus
Narrowband Codecs	G.711a/u, G.723.1, G.726, G.729/A/B/AB, iLBC
Voice Processing	AEC, VAD, CNG, NR, AGC, PLC, adaptive jitter buffer
Headset	RJ9 headset port; EHS wireless headset (Poly/Jabra via EHS cable)

Connectivity

Ethernet	2 x 10/100/1000 Mbps (PC bridged)
Bluetooth	Via USB Bluetooth dongle (BT20)
Wi-Fi	Via Wi-Fi dongle (WF20)
USB	USB 2.0 Type-A x1
IP Mode	IPv4 / IPv6 / dual stack
VPN	L2TP / OpenVPN
Network Features	VLAN, QoS, LLDP, 802.1x
Protocols	SIP v1/v2, UDP/TCP/TLS, RTP/SRTP, STUN, TR-069

Deployment & Management

Auto-Provisioning	FTP/TFTP/HTTP/HTTPS, DHCP Opt66, SIP PnP, TR-069
Management	Web portal, firmware upgrade, config export/import, syslog

Power

PoE	Yes, IEEE 802.3af
Power Adapter	Optional, DC 5V/2A
Power Consumption (PoE)	1.27~6.80 W
Power Consumption (Adapter)	0.87~4.72 W

Physical

Installation	Desktop stand (45°/50°), wall mount (extra parts needed)
Color	Black
Dimensions (45° stand)	214 x 188.6 x 181.1 mm
Working Temperature	0~45℃
Working Humidity	10~95%
Package Contents	Phone, HD handset & cord, 1.5 m CAT5E cable, back rack

Source: Fanvil official website and datasheet. Specifications are subject to change by the manufacturer.

PRACTICAL ANSWERS

IP phone questions

How do I choose an IP phone for an employee?

Start with the person’s daily call workflow, required keys, headset use and desk connectivity. Check the exact model against the PBX and provisioning method rather than selecting only by screen size or appearance.

Does an IP phone need a separate power adapter?

Check the phone’s supported power options, what is included in the package and the capabilities of the connected switch. Confirm that the complete proposed arrangement can power every phone, not just a single test device.

Will my headset work with the new phone?

Compare the headset and phone model numbers, connector type and any required adapter or call-control support. Ask to test answering, ending and muting a call with the intended combination before equipping a team.

Can a phone be used by a remote employee?

Confirm the PBX’s supported remote deployment method and the employee’s network requirements. Plan secure provisioning and support responsibilities; do not expose administration interfaces or assume a phone can be moved without configuration.

How should I compare phone models for a reception desk?

List the extensions the receptionist handles, the required transfer workflow and any need for expansion keys or a headset. Evaluate the full workflow with the PBX, including the features actually licensed and supported.

What should I check before deploying many IP phones?

Test a small representative group first, then review network ports, power, provisioning, user labels and the rollback plan. Keep an inventory linking each physical device to its intended user or location.