Fanvil X4 User Manual (English)

Questions and Answers:

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Lauren BallJul 27, 2025
Why is my Fanvil IP Phone not registering to a service provider?
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  Christopher SimpsonJul 27, 2025
  There are several reasons why your Fanvil IP Phone might fail to register. First, ensure the device is properly connected to the network using the [Network] port, not the [PC] port. If the IP address displays 'Negotiating…', the device doesn't have one, indicating a network configuration issue. Also, double-check your line configurations for any errors. If problems persist, contact your service provider for assistance.
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Mrs. April BennettAug 2, 2025
What to do if my Fanvil IP Phone could not boot up?
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  Michael MartinAug 2, 2025
  If your Fanvil IP Phone fails to boot up, it could be due to a damaged system image. Please restore the system image. Alternatively, ensure you are using the standard power adapter or a PoE switch that meets the specification requirements, and verify that the device is properly connected to the power source.
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Nicole MartinAug 8, 2025
Why is the audio chopping at the far end in hands-free speaker mode on my Fanvil IP Phone?
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  Melissa StephensAug 9, 2025
  Choppy audio at the far end in hands-free speaker mode on your Fanvil IP Phone is likely due to loud volume feedback from the speaker to the microphone. Lowering the speaker volume should resolve this issue.
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Elizabeth DavisAug 14, 2025
Why is there no audio or poor audio in the handset of my Fanvil IP Phone?
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  Nancy CabreraAug 14, 2025
  If you're experiencing no audio or poor audio in the handset of your Fanvil IP Phone, first check that the handset is connected to the correct handset port and NOT the headset port. Also, the network bandwidth and delay may be unsuitable for an audio call.
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christopher20Aug 21, 2025
Why is the audio poor or volume low in the headset of my Fanvil IP Phone?
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  David GillAug 21, 2025
  If you're experiencing poor audio or low volume in the headset of your Fanvil IP Phone, ensure you are using the headset provided with the phone. If you're using a third-party headset, consult the wire sequence to ensure it's correct. Also, the network bandwidth and delay may be unsuitable for an audio call.

Fanvil X4 Specifications

General

Lines quantity	4 lines
Call log entries	600
Phonebook sharing	Yes
Phonebook capacity	500 entries
Power consumption (typical)	2.5 W
Ethernet LAN (RJ-45) ports	2
Mounting	Desk/Wall
Handset type	Wired handset
Product type	IP Phone
Product color	Black
Operating temperature (T-T)	0 - 40 °C
Operating relative humidity (H-H)	10 - 95 %
Cables included	LAN (RJ-45)
Number of handles included	1 pc(s)
Volume control	Digital
Keypad number of keys	38
Number of function keys	6
Wi-Fi	No
Networking standards	IEEE 802.1x, IEEE 802.3af
Ethernet LAN data rates	10, 100 Mbit/s
Ethernet LAN interface type	Fast Ethernet
Supported network protocols	DHCP, PPPoE, L2TP, OpenVPN, SIP2.0 UDP/TCP/TLS, RTP/RTCP/SRTP, STUN, DHCP, PPPoE, 802.1x, L2TP, SNTP, FTP/TFTP, HTTP/HTTPS, TR069
Display diagonal	2.8 \
Display resolution	320 x 240 pixels
Speakerphone	-
Voice codecs	AMR, AMR-WB, G.711a, G.711u, G.722, G.726, G.729ab, iLBC
Certification	CE, FCC
Dual-Tone Multi-Frequency (DTMF) modes	In-band, Out-of band, SIP info