SETU VFX404 VoIP-FXS Gateway

Upgrade Legacy Telephony Without Replacing Existing Infrastructure

The SETU VFX404 is a compact 4 Port VoIP-FXS Gateway that enables businesses to connect analog telephones, fax machines, and legacy PBX extensions to modern SIP-based communication networks. Designed for small offices, branch locations, retail outlets, and growing businesses, it provides a simple and cost-effective way to adopt VoIP technology while continuing to use existing telephony equipment. It features 4 FXS ports, 4 VoIP channels, support for up to 9 SIP accounts, and a dedicated PSTN pass-through port for emergency communication scenarios.

By bridging traditional telephony with IP communication systems, the SETU VFX404 helps organizations reduce calling costs, centralize communications, and simplify VoIP deployment without disrupting daily operations.

Why Businesses Choose SETU VFX404

Businesses looking to modernize their communication systems often face the challenge of replacing existing analog devices. The SETU VFX404 eliminates this concern by allowing analog phones and fax machines to operate seamlessly over a SIP network.

Its compact form factor, enterprise-grade security, and easy deployment make it an ideal solution for organizations planning a gradual migration from traditional telephony to VoIP-based communication.

Key Features

• 4 FXS ports for connecting analog telephones and fax devices
• 4 simultaneous VoIP channels
• Support for up to 9 SIP accounts
• PSTN pass-through port for emergency calling
• SIP-based communication with broad IP-PBX compatibility
• Secure voice communication using TLS and SRTP encryption
• T.38 Fax over IP support
• Advanced G.168 echo cancellation technology
• SNMP monitoring and TR-069 auto provisioning
• Web-based management and remote configuration
• Dynamic jitter buffer for improved voice quality
• Support for multiple industry-standard voice codecs
• Compact desktop or wall-mountable design

Applications

Small Business VoIP Deployment

Connect existing analog phones to a VoIP network without purchasing new IP phones.

Branch Office Connectivity

Enable communication between remote offices using SIP-based networks.

Retail Stores and Service Centers

Deploy reliable voice communication while maintaining existing analog devices.

Hospitality Industry

Integrate guest room phones and service extensions with centralized communication systems.

Healthcare Facilities

Support analog communication devices in clinics, laboratories, and healthcare centers.

Educational Institutions

Provide seamless voice communication across administrative offices and departments.

Fax over IP Applications

Enable fax transmission over modern IP networks using T.38 support.

Technical Specifications

System Requirements

Ideal For

• Small & Medium Businesses (SMBs)
• Retail Stores
• Corporate Branch Offices
• Hotels & Guest Houses
• Hospitals & Clinics
• Educational Institutions
• Customer Support Centers
• Multi-Location Organizations