Fanvil X4G-Fanvil – Enterprise IP Phone with 4 SIP Lines

The new Fanvil X4 IP Phone is a high-end enterprise desktop phone that comes with an intelligent DSS Key-mapping LCD to increase enterprise users’ productivity at a cost-effective price.

Product Features

Dual Color Displays & DSS Key Mapping

A 2.8″ main LCD and 2.4″ secondary LCD deliver clear visuals. Up to 30 DSS keys across multiple pages enable rapid access to lines, BLF, and speed-dial functions.

Four SIP Lines Support

Handles four concurrent SIP accounts to improve multitasking and call management.

Gigabit Ethernet & PoE

Equipped with dual 10/100/1000 Mbps ports (X4G model), including PoE support for streamlined power and connectivity.

HD Voice Quality

Full‑duplex HD audio with codecs (G.722, G.711, G.729, G.723, G.726) and acoustic echo cancellation delivers crisp, clear conversations.

Enterprise Security & Remote Provisioning

Supports SIP over TLS, SRTP, 802.1X, VLAN, OpenVPN/L2TP and secure automated provisioning/upgrades.

Broad PBX Interoperability

Compatible with popular VoIP platforms such as Asterisk, 3CX, Broadsoft, Elastix, Zycoo, and others.

Product Specifications

Generic

• 4 SIP Lines
• HD Voice
• POE Enabled
• 2 color LCDs (Main + DSS)
• Handset(HS) / Hands-free(HF) / Headphone(HP) mode (EHS support for Plantronics headsets)
• Intelligent DSS Keys
• Desktop / Wall-mount installation
• Optional External Power Supply
• Economical and environmentally friendly package

Call Features

• Call out / answer/reject
• Mute / Unmute (microphone)
• Call Hold / Resume
• Call Waiting
• Intercom
• Caller ID Display
• Speed Dial
• Anonymous Call (Hide Caller ID)
• Call Forwarding (Always/Busy/No Answer)
• Call Transfer (Attended/Unattended)
• Call Parking/Pick-up (depending on the server)
• Redial/Auto-Redial
• Do-Not-Disturb (per line / per phone)
• Auto-Answering (per line)
• Voice Message (on the server)
• Local 3-way Conference
• Hot Line
• Hot-Desking

Phone Features

• Phonebook (500 entries)
• Remote Phonebook (XML/LDAP)
• Call log (100 entries, in/out/missed)
• Black/White List Call Filtering
• Voice Message Waiting Indication (VMWI)
• Programmable DSS/Soft keys
• Network Time Synchronization
• Action URL / Active URI

Audio

• HD Voice Microphone/Speaker (Handset/Hands-free, 0 ~ 7KHz Frequency Response)
• Wideband ADC/DAC 16KHz Sampling
• Narrowband CODEC: G.711a/u, G.723.1, G.726-32K, G.729AB
• Wideband CODEC: G.722
• Full-duplex Acoustic Echo Canceller (AEC) – Hands-free Mode, 96ms tail-length
• Voice Activity Detection (VAD) / Comfort Noise Generation (CNG) / Background Noise Estimation (BNE) / Noise Reduction (NR)
• Packet Loss Concealment (PLC)
• Dynamic Adaptive Jitter Buffer up to 300ms
• DTMF: In-band, Out-of-Band – DTMF-Relay(RFC2833) / SIP INFO

Networking

• Physical: 10/100Mbps(X4), 10/100/1000Mbps(X4G) Ethernet, dual bridged port for PC bypass
• IP Configuration: Static / DHCP / PPPoE
• Network Access Control: 802.1x
• VPN: L2TP (Basic Unencrypted) / OpenVPN
• VLAN
• QoS