X3U Pro Entry Level IP Phone

Fanvil X3U Pro – Entry-Level Gigabit IP Phone

An affordable yet feature-rich desktop SIP phone ideal for small to mid-size businesses and home offices.

Display & Design

• 2.8″ color LCD (320 × 240 px) with adjustable dual-angle stand (45°/50°)

• Includes 3 LED line keys, 4 soft keys, navigation dial, and ~37 physical buttons total 

SIP Lines & Conferencing

• Supports 6 SIP accounts 

• 6‑party local audio conferencing 

• SIP hotspot function available 

Audio & Voice Quality

• HD Voice: supports G.722 and Opus (also G.711, G.726, G.729, iLBC, G.723.1)

• Full-duplex speakerphone with echo cancellation, automatic gain control, noise reduction, PLC 

• HAC (hearing aid compatible) handset included 

Connectivity

• Dual Gigabit Ethernet with PC-pass through & PoE support (IEEE 802.3af) 

• RJ9 headset port, supports EHS for Jabra/Plantronics 

• No built-in Wi‑Fi or Bluetooth (optional dongles not supported) 

Phonebook, Logs & Features

• Local phonebook up to 1,000 entries, remote LDAP/XML also supported 

• Call logs: up to 600 entries (incoming/outgoing/missed) 

• Built-in telephony features: hold, transfer, park/pickup, intercom, DND, auto-answer, voicemail indicator, speed-dial, blacklist/whitelist, hot-desking 

• Programmable soft keys & screen saver support 

Provisioning & Network Security

• Supports auto-provisioning: FTP/TFTP/HTTP(S)/DHCP/SIP PnP/TR-069 

• Network support: IPv4/IPv6, VLAN, QoS, 802.1x, OpenVPN, LLDP 

• Security protocols: SIP over UDP/TCP/TLS, SRTP, HTTPS, ARP prevention 

Power & Physical

• Power: PoE or optional 5 V/0.6 A adapter

• Power consumption: ~0.9 W (idle) to ~3.34 W (peak) 

• Dimensions: 169 × 177–186 × 174–183 mm (desktop), 169 × 115 × 212 mm (wall) 

• Environment: 0–45°C, 10–95% RH

Summary

The X3U Pro offers a compact, reliable solution with full VoIP functionality and HD audio—ideal for budget-conscious offices requiring advanced telephony.