Fanvil X303G Enterprise IP Phone

The Fanvil X303G is an enterprise-level SIP IP phone designed for professional business communication, combining HD voice quality, Gigabit Ethernet connectivity, Power over Ethernet, multiple SIP lines, and flexible call-management capabilities. Its color display, programmable DSS keys, full-duplex hands-free speakerphone, and headset support make it suitable for office workstations, reception desks, customer service environments, retail businesses, and other professional VoIP deployments. The X303G supports secure SIP communication and common network-management features, providing reliable integration with compatible IP-PBX systems and hosted VoIP platforms.

Product Features

Color LCD Display

The X303G features a color LCD display for clear viewing of caller information, call status, menus, contacts, and phone configuration options.

Multiple SIP Lines

Multiple SIP line support allows users to manage several VoIP accounts, extensions, or business numbers from a single IP phone.

HD Voice Quality

HD audio support provides clear and natural voice communication through the handset and full-duplex speakerphone.

Dual Gigabit Ethernet Ports

Two 10/100/1000 Mbps Gigabit Ethernet ports provide high-speed network connectivity and allow a computer or other Ethernet device to share the network connection through the phone.

Power over Ethernet

PoE support allows the X303G to receive both power and network connectivity through a compatible Ethernet cable, helping simplify installation and reduce cable clutter.

Programmable DSS Keys

Programmable DSS keys provide quick access to frequently used extensions, contacts, SIP lines, call functions, and other supported features.

Full-Duplex Speakerphone

The built-in full-duplex speakerphone enables hands-free communication and supports simultaneous two-way audio for convenient business calls and conference conversations.

Headset Connectivity

Headset support provides a practical hands-free communication option for receptionists, office workers, customer service staff, and other users who frequently handle calls.

Advanced Call Management

The X303G supports essential business calling functions, including call hold, transfer, forwarding, waiting, redial, mute, speed dial, and conference calling.

SIP and IP-PBX Compatibility

Standard SIP support enables deployment with compatible IP-PBX systems, hosted VoIP services, and SIP-based unified communications platforms.

Secure Network Communication

Support for security and network-management features such as TLS, SRTP, HTTPS, VLAN, and QoS helps the phone integrate into managed business networks.

Product Specifications

• Brand: Fanvil
• Product Series: X Series
• Model: X303G
• Product Type: Enterprise SIP IP phone
• Display: Color LCD
• SIP Lines: Multiple SIP line support
• Ethernet Ports: 2 x 10/100/1000 Mbps RJ45 Gigabit Ethernet
• PoE: Supported
• PoE Standard: IEEE 802.3af
• Voice Quality: HD voice
• Audio Codecs: G.711A/U, G.722, G.726, G.729A, iLBC, Opus, and other supported codecs
• Speakerphone: Full-duplex hands-free speakerphone
• Handset: HD audio handset
• Headset Port: RJ9
• Call Features: Call hold, transfer, forwarding, waiting, redial, mute, speed dial, and conference calling
• Phonebook: Supported
• Call History: Supported
• Programmable Keys: DSS keys
• SIP Protocol: SIP over UDP, TCP, and TLS
• Network Protocols: IPv4 and supported IP networking protocols
• VLAN: Supported
• QoS: Supported
• Security: TLS, SRTP, HTTPS, and supported network security features
• Provisioning: Supported
• Management: Web interface and device configuration tools
• Power Input: PoE or external power adapter
• Installation: Desktop
• Application: Enterprise VoIP, business offices, reception desks, customer service, retail, and SIP-based IP-PBX systems
• Color: Black