- Suitable for small to medium businesses and home office
- Features a 2.8” main colour display
- Engineered with 34 keys for quick access
- Delivers HD audio on speakerphone and handset
- Designed to work with Opus Voice to handle a variety of audio applications
- Supports 4 SIP lines, 3-way audio conference, and SIP hotspot
- Works with EHS wireless headset
- Built with dual Gigabit ports and integrated PoE
- Includes a stand with 2 adjustable angles of 45 and 50 degrees
Fanvil X3SG IP Phone Description
Known for its high-quality audio, user-friendly interface, and reliable performance, the Fanvil X3SG is an SIP (Session Initiation Protocol)- based IP phone designed for business environments, making it versatile and suitable for small to medium businesses and home offices. The phone features a 2.8” main colour display, offering an intuitive user interface for seamless navigation to cater to modern communication needs. With the engineered 34 keys, the Fanvil X3SG allows easy navigation of the phone’s functionality to frequently dialled numbers, conference calls, or specific features. It delivers HD audio on speakerphone and handset, enabling you to enjoy crystal-clear communication with the other caller at the end of the call. The Fanvil X3SG IP phone is designed to work with Opus Voice to handle a variety of audio applications, including IP voice, and multiparty conference. It supports 4 SIP lines, a 3-way audio conference, and a SIP hotspot, making it compatible with most VoIP platforms. This IP phone works with EHS wireless headset. It is built with dual Gigabit ports to ensure faster and more reliable network connectivity. The integrated PoE eliminates the need for an additional power adapter, simplifying deployment. It includes a stand with 2 adjustable angles of 45 and 50 degrees, supporting the IP phone's seamless mounting in the application room.
HD Audio Quality
The X3SG delivers crystal-clear audio quality with wideband HD voice and advanced noise reduction features, allowing you to enjoy superior sound clarity during calls. Its full-duplex speakerphone ensures clear audio during hands-free conversations and supports wideband codecs of G.722, G.711, and others for high-quality voice communication.


Display and Sleek Design
Featuring a 2.8-inch colour display with a resolution of 320x240 pixels, the Fanvil X3SG IP Phone provides clear and sharp visuals for an enhanced user experience. It enables easy navigation via the screen for accessing various features, call logs, and settings. Its user-friendly interface makes it easy for employees or individuals to use daily.
Network and Connectivity
Built with dual Gigabit Ethernet ports for higher network speed and flexibility, the Fanvil X3SG IP Phone ensures faster and more reliable network connectivity. The X3SG has PoE (Power over Ethernet) support, which eliminates the need for an additional power adapter, simplifying deployment.

Multiple Line Support
Offering up to 3 SIP accounts for handling multiple calls simultaneously, the X3SG IP phone makes it ideal for small to medium-sized businesses. It supports up to 1000 contacts and 1000 call logs for easy access to previous calls and contact details, allowing users to manage different lines for personal and business calls.
What's in the Box?
- Fanvil X3SG IP Phone
Fanvil X3SG IP Phone Technical Specs
Generic
- 4 SIP Lines
- HD Voice
- PoE Enabled
- 2.8-inch colour screen
- Handset / Hands-free / Headset mode
- Desktop Desktop Stand / Wall-mounted (need an additional wall hanging parts)
- Optional External Power Supply
Phone Functions
- Local Phonebook (1000 entries)
- Remote Phonebook (XML/LDAP, 1000 entries)
- Call logs (In/Out/Missed, 600 entries)
- Blocked Call List/Allowed Call List
- Screen saver
- Voice Message Waiting Indication (VMWI)
- Programmable DSS/Soft keys
- Network Time Synchronization
- Support Poly wireless headset (Through Poly APD-80 EHS Cable)
- Support Jabra wireless headset (Through Fanvil EHS20 EHS Cable)
- Support Recording (Through Server)
- Action URL / Active URI
- uaCSTA
Call Functions
- Call out / Answer / Reject
- Mute / Unmute (Microphone)
- Call Hold / Resume
- Packet Loss Concealment (PLC)
- Dynamic Adaptive Jitter Buffer
- DTMF: In-band, Out-of-Band – DTMF-Relay (RFC2833) / SIP INFO
- Call Waiting
- Intercom
- Caller ID Display
- Speed Dial
- Anonymous Call (Hide Caller ID)
- Call Forward (Always/Busy/No Answer)
- Call Transfer (Attended/Unattended)
- Call Parking/Pick-up (Depending on server)
- Redial
- Do-Not-Disturb
- Auto-Answering
- Voice Message (With server)
- 3-way audio conference
- Hot Line
- Hot desking
Audio
- HD Voice Microphone/Speaker (Handset/Hands-free, 0 ~ 7KHz Frequency Response)
- HAC handset
- Wideband ADC/DAC 16KHz Sampling
- Narrowband Codec: G.711a/u, G.726-32K, G.729A/B, iLBC , G723.1(Optional)
- Wideband Codec: G.722, Opus
- Full-duplex Acoustic Echo Canceller (AEC)
- Voice Activity Detection (VAD) / Comfort Noise Generation (CNG) / Background Noise Estimation (BNE) / Noise Reduction (NR) / Automatic Gain Control (AGC)
Networking
- Physical: 10/100/1000 Mbps Ethernet, dual bridged port for PC bypass
- IP Mode:IPv4/IPv6/IPv4&IPv6
- IP Configuration: Static IP / DHCP / PPPoE
- Network Access Control: 802.1x
- VPN: L2TP / OpenVPN
- VLAN
- LLDP
- QoS
- RTCP-XR (RFC3611), VQ-RTCPXR (RFC6035)
Protocols
- SIP2.0 over UDP/TCP/TLS
- RTP/RTCP/SRTP
- STUN
- DHCP
- IPv6
- LLDP
- PPPoE
- 802.1x
- L2TP
- OpenVPN
- SNTP
- FTP/TFTP
- HTTP/HTTPS
- TR-069
- AES128 & AES256
Deployment & Management
- Auto-Provisioning via FTP/TFTP/HTTP/HTTPS/DHCP OPT66/SIP PNP/TR-069
- Web Management Portal
- Web-based Packet Dump
- Configuration Export / Import
- Phonebook Import/Export
- Firmware Upgrade
- Syslog
Physical Specifications
- Main LCD x1: 2.8-inch (320x240) Colour Screen
- HD Handset (RJ9) x1
- Standard RJ9 Handset Wire x1
- 1.5M CAT5 Ethernet Cable x1
- Back Rack x1
- Status Indicator Light x1 (Red)
- RJ9 Port x2: Handset x1, Headset x1
- RJ45 Port x2: Network x1, PC x1 (Bridged to Network)
- Safety Keyhole x1
- DC Power Input: 5V/0.6A
- Power Consumption: Idle 0.9~1.65W,Peak 1.8~2.95W
- Working Temperature: 0~45℃
- Working Humidity: 10~95%
- Colour: Black
Keypad: 34 keys, including
- 4 Soft-keys
- 7 Function keys (Hold/Transfer/Conference/Phonebook /MWI/Headsets/Redial)
- 2 Line keys (With LED Indicator Light)
- 4 Navigation keys
- 1 OK key
- 12 Standard Phone Digits keys
- 3 Volume Control keys (Up/Down/Mute (Microphone))
- 1 Hands-free key
Installation
- Desktop Stand
- Wall-mounted (need additional wall hanging parts)
Device Dimensions
- Desktop Stand (Angles 1): 169x186.3x174.5 mm
- Desktop Stand (Angles 2): 169x177.6x183.7 mm
- Wall-mounted: 169x115.6x212.5 mm
More Information
SKU | X3SG |
---|---|
Audio Conference Type | Desk Phone |
Number of Lines | 4 Lines |
Noise Control | Echo Cancellation and Noise Suppression |
Multiple Part Calling | No |
Interface | Ethernet |
With Display | Yes |
Connectivity | Wired |
No. of User(s) | 1 |
Connect To | IP Lines |
Display Option | Display & Keypad |
Keypad | Yes |
Reviews
Search FAQs
Questions & Answers
Fanvil X3SG IP Phone Description
Known for its high-quality audio, user-friendly interface, and reliable performance, the Fanvil X3SG is an SIP (Session Initiation Protocol)- based IP phone designed for business environments, making it versatile and suitable for small to medium businesses and home offices. The phone features a 2.8” main colour display, offering an intuitive user interface for seamless navigation to cater to modern communication needs. With the engineered 34 keys, the Fanvil X3SG allows easy navigation of the phone’s functionality to frequently dialled numbers, conference calls, or specific features. It delivers HD audio on speakerphone and handset, enabling you to enjoy crystal-clear communication with the other caller at the end of the call. The Fanvil X3SG IP phone is designed to work with Opus Voice to handle a variety of audio applications, including IP voice, and multiparty conference. It supports 4 SIP lines, a 3-way audio conference, and a SIP hotspot, making it compatible with most VoIP platforms. This IP phone works with EHS wireless headset. It is built with dual Gigabit ports to ensure faster and more reliable network connectivity. The integrated PoE eliminates the need for an additional power adapter, simplifying deployment. It includes a stand with 2 adjustable angles of 45 and 50 degrees, supporting the IP phone's seamless mounting in the application room.
HD Audio Quality
The X3SG delivers crystal-clear audio quality with wideband HD voice and advanced noise reduction features, allowing you to enjoy superior sound clarity during calls. Its full-duplex speakerphone ensures clear audio during hands-free conversations and supports wideband codecs of G.722, G.711, and others for high-quality voice communication.


Display and Sleek Design
Featuring a 2.8-inch colour display with a resolution of 320x240 pixels, the Fanvil X3SG IP Phone provides clear and sharp visuals for an enhanced user experience. It enables easy navigation via the screen for accessing various features, call logs, and settings. Its user-friendly interface makes it easy for employees or individuals to use daily.
Network and Connectivity
Built with dual Gigabit Ethernet ports for higher network speed and flexibility, the Fanvil X3SG IP Phone ensures faster and more reliable network connectivity. The X3SG has PoE (Power over Ethernet) support, which eliminates the need for an additional power adapter, simplifying deployment.

Multiple Line Support
Offering up to 3 SIP accounts for handling multiple calls simultaneously, the X3SG IP phone makes it ideal for small to medium-sized businesses. It supports up to 1000 contacts and 1000 call logs for easy access to previous calls and contact details, allowing users to manage different lines for personal and business calls.
What's in the Box?
- Fanvil X3SG IP Phone
Fanvil X3SG IP Phone Technical Specs
Generic
- 4 SIP Lines
- HD Voice
- PoE Enabled
- 2.8-inch colour screen
- Handset / Hands-free / Headset mode
- Desktop Desktop Stand / Wall-mounted (need an additional wall hanging parts)
- Optional External Power Supply
Phone Functions
- Local Phonebook (1000 entries)
- Remote Phonebook (XML/LDAP, 1000 entries)
- Call logs (In/Out/Missed, 600 entries)
- Blocked Call List/Allowed Call List
- Screen saver
- Voice Message Waiting Indication (VMWI)
- Programmable DSS/Soft keys
- Network Time Synchronization
- Support Poly wireless headset (Through Poly APD-80 EHS Cable)
- Support Jabra wireless headset (Through Fanvil EHS20 EHS Cable)
- Support Recording (Through Server)
- Action URL / Active URI
- uaCSTA
Call Functions
- Call out / Answer / Reject
- Mute / Unmute (Microphone)
- Call Hold / Resume
- Packet Loss Concealment (PLC)
- Dynamic Adaptive Jitter Buffer
- DTMF: In-band, Out-of-Band – DTMF-Relay (RFC2833) / SIP INFO
- Call Waiting
- Intercom
- Caller ID Display
- Speed Dial
- Anonymous Call (Hide Caller ID)
- Call Forward (Always/Busy/No Answer)
- Call Transfer (Attended/Unattended)
- Call Parking/Pick-up (Depending on server)
- Redial
- Do-Not-Disturb
- Auto-Answering
- Voice Message (With server)
- 3-way audio conference
- Hot Line
- Hot desking
Audio
- HD Voice Microphone/Speaker (Handset/Hands-free, 0 ~ 7KHz Frequency Response)
- HAC handset
- Wideband ADC/DAC 16KHz Sampling
- Narrowband Codec: G.711a/u, G.726-32K, G.729A/B, iLBC , G723.1(Optional)
- Wideband Codec: G.722, Opus
- Full-duplex Acoustic Echo Canceller (AEC)
- Voice Activity Detection (VAD) / Comfort Noise Generation (CNG) / Background Noise Estimation (BNE) / Noise Reduction (NR) / Automatic Gain Control (AGC)
Networking
- Physical: 10/100/1000 Mbps Ethernet, dual bridged port for PC bypass
- IP Mode:IPv4/IPv6/IPv4&IPv6
- IP Configuration: Static IP / DHCP / PPPoE
- Network Access Control: 802.1x
- VPN: L2TP / OpenVPN
- VLAN
- LLDP
- QoS
- RTCP-XR (RFC3611), VQ-RTCPXR (RFC6035)
Protocols
- SIP2.0 over UDP/TCP/TLS
- RTP/RTCP/SRTP
- STUN
- DHCP
- IPv6
- LLDP
- PPPoE
- 802.1x
- L2TP
- OpenVPN
- SNTP
- FTP/TFTP
- HTTP/HTTPS
- TR-069
- AES128 & AES256
Deployment & Management
- Auto-Provisioning via FTP/TFTP/HTTP/HTTPS/DHCP OPT66/SIP PNP/TR-069
- Web Management Portal
- Web-based Packet Dump
- Configuration Export / Import
- Phonebook Import/Export
- Firmware Upgrade
- Syslog
Physical Specifications
- Main LCD x1: 2.8-inch (320x240) Colour Screen
- HD Handset (RJ9) x1
- Standard RJ9 Handset Wire x1
- 1.5M CAT5 Ethernet Cable x1
- Back Rack x1
- Status Indicator Light x1 (Red)
- RJ9 Port x2: Handset x1, Headset x1
- RJ45 Port x2: Network x1, PC x1 (Bridged to Network)
- Safety Keyhole x1
- DC Power Input: 5V/0.6A
- Power Consumption: Idle 0.9~1.65W,Peak 1.8~2.95W
- Working Temperature: 0~45℃
- Working Humidity: 10~95%
- Colour: Black
Keypad: 34 keys, including
- 4 Soft-keys
- 7 Function keys (Hold/Transfer/Conference/Phonebook /MWI/Headsets/Redial)
- 2 Line keys (With LED Indicator Light)
- 4 Navigation keys
- 1 OK key
- 12 Standard Phone Digits keys
- 3 Volume Control keys (Up/Down/Mute (Microphone))
- 1 Hands-free key
Installation
- Desktop Stand
- Wall-mounted (need additional wall hanging parts)
Device Dimensions
- Desktop Stand (Angles 1): 169x186.3x174.5 mm
- Desktop Stand (Angles 2): 169x177.6x183.7 mm
- Wall-mounted: 169x115.6x212.5 mm
SKU | X3SG |
---|---|
Audio Conference Type | Desk Phone |
Number of Lines | 4 Lines |
Noise Control | Echo Cancellation and Noise Suppression |
Multiple Part Calling | No |
Interface | Ethernet |
With Display | Yes |
Connectivity | Wired |
No. of User(s) | 1 |
Connect To | IP Lines |
Display Option | Display & Keypad |
Keypad | Yes |