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Fanvil X4/X4G IP Phone

The Fanvil IP Phones X4/X4G are an excellent communication device for both home and business use. The "One Button Call" capability allows users to quickly access the call record and phonebook in order to make a call. Setting up a user PIN allows you to control the phone's accessibility.

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The 2.8-inch color LCD screen on the Fanvil IP Phones X4/X4G is complemented with a DSS key mapping color LCD. The color screen, combined with the elements of the previous version’s user interface design, results in a clever and colorful new user interface. The X4 features a dual-color screen, which is a first in the VoIP market. X4 has four SIP lines, making it ideal for use in the office. In addition to hands-free and handset modes, the device supports EHS for Plantronics headsets through its RJ9 headset connector. Many high-grade technologies, such as Noise Reduction, Background Noise Estimation, and Full-duplex Acoustic Echo Canceller, complement the high-definition sound quality.

Best Fanvil X4 X4G IP Phone | AcmaTel Communications


  • The X4 supports PoE and has a 10/100/1000Mbps Ethernet dual bridged connection for PC bypass.
  • It is compatible with a wide range of popular software platforms, including Broad soft, Asterisk, and Zycoo.
  • The IP configuration is static/DHCP/PPPoE. VLAN and VPN connections are supported.
  • The phonebook has a capacity of 500 entries, while the call log has a capacity of 300.
  • Many phones in an office can share the same server number for transferring calls, conferences, and contacting one another, with an individual extension number for each phone.
  • To block specific phone numbers, the user can use the Black/White list calls filtering tool.
  • There is a Voice Message feature, as well as a Voice Message Waiting Indication.
  • Up to 5 pages with 30 virtual DSS keys and 6 DSS keys are available to control the LCD display and provide dynamic DSS/BLF functionality.
  • This phone has many features such as call waiting, call hold, intercom, call forwarding, hotline, call transfer, DND, auto answering, and others.
  • The X4 has an intriguing feature in that customers can browse the Fanvil website using their mobile phone by simply scanning the QR code on the X4 screen.

Best Fanvil X4 X4G IP Phone | AcmaTel Communications

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Product Specification


Comfort Noise Generation (CNG) Yes
DTMF In-band, Out-of-Band – DTMF-Relay (RFC2833) / SIP INFO
HD Voice Microphone/Speaker (Handset/Hands-free Handset/Hands-free, 0~7KHz Frequency Response)
Noise Reduction (NR) Yes
Voice Activity Detection (VAD) Yes
Background Noise Estimation (BNE) Yes
Dynamic Adaptive Jitter Buffer up to 300ms Yes
Full-duplex Acoustic Echo Canceller (AEC) Yes
Narrowband CODEC G.711a/u, G.723.1, G.726-32K, G.729AB
Packet Loss Concealment (PLC) Yes
Wideband ADC/DAC 16KHz Sampling Yes
Wideband CODEC G.722
Call Features
Auto-Answering (per line) Yes
Call Hold / Resume Yes
Call Waiting Yes
Hot Line Yes
Intercom Yes
Local 3-way Conference Yes
Voice Message (on server) Yes
Call Forwarding (Always/Busy/No Answer) Yes
Call out / answer / reject Yes
Call Parking/Pick-up (depending on server) Yes
Call Transfer (Attended/Unattended) Yes
Do-Not-Disturb (per line / per phone) Yes
Mute / unmute (microphone) Yes
Redial Yes
Deployment & Maintenance
Auto/Manual Online Software Upgrade Yes
Syslog Yes
Web Management Portal Yes
Auto-Provisioning via Yes
Configuration Backup/Restore Yes
Web-based Packet Dump Yes
2 LCDs (Main + DSS) Yes
4 SIP Lines Yes
Economical and Environmental friendly package Yes
Handset(HS) / Hands-free(HF) Yes
Industrial Standard Certifications: CE/FCC Yes
POE Enabled(X3SP/X3G) Yes
Caller ID Display Yes
Desktop / Wall-mount installation Yes
HD Voice Yes
Network Access Control 802.1x
QoS Yes
IP Configuration Static / DHCP / PPPoE
Physical 10/100Mbps(X4), 10/100/1000Mbps(X4G) Ethernet, dual bridged port for PC bypass
VPN L2TP (Basic Unencrypted) / OpenVPN
Phone Features
Intelligent Contact Number Matching / Filtering Yes
Remote Phonebook (XML/LDAP) Yes
Call log (300 entries total, in/out/missed) Yes
Intelligent Phonebook (up to 500 entries total) Yes
Multi-language support in screen and web UI: English, Chinese(Traditional/Simplified), Japanese, Russian, Italian, Turkish, Germany, Dutch, Spanish, Hebrew, Polish, French etc.
Network Time Synchronization Yes
Phone Accessibility Control by User PIN Yes
Voice Message Waiting Indication (VMWI)
Physical Specifications
1.5M CAT5 Ethernet Cable x1 Yes
HD Handset (RJ9) x1 Yes
LCD x1 2.4/2.8 inch (320×240) color-screen LCD
Main Chipset: Broadcom
Package Dimensions 285x270x65mm (W x H x L)
Power Consumption (X4) Idle – ~ 1.3W, Peak – ~4.3W
RJ45 Ethernet Jacket x2 Network x1 (802.3AF POE Class 1 Enabled), PC x1 (Bridged to Network)
RJ9 Phone Jacket x2: Handset x1, Headphone x1 Yes
Working Humidity: 10 ~ 65%
Color Black
DC Power Input: 5V/600mA
Dual-Functional Back Rack x1: Desktop Stand / Wall-mount
HD Hands-free Microphone (0 ~ 7KHz) x1 Yes
HD Hands-free Speaker (0 ~ 7KHz) x1 Yes
Keypad 32 keys, including 4 Soft-keys 12 Standard Phone Digits keys 5 Navigation keys 2 Line keys with tri-color LED 5 Function key 3 Volume Control keys, Up/Down/Mute(Microphone)
Power Consumption (X4) Idle – ~ 1.3W, Peak – ~4.3W
Standard RJ9 Handset Wire x1 Yes
Working Temperature: 0 ~ 40℃
SIP2.0 over UDP/TCP/TLS Yes
TR069 Yes
802.1x Yes
L2TP (Basic Unencrypted) Yes
OpenVPN Yes
RFCs 354/1321/1350/1769/1889/1890/2131/2132/ 2616/2617/2661/2833/2976/3261/3262/3263/ 3264/3265/3268/3311/ 3489/3711/4346/4566/ 5630/5865

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