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Fortinet FortiVoice FVG‑GS16 Gateway – 16‑Port FXS VoIP Gateway with Dual 10/100 RJ45

The FortiVoice FVG‑GS16 Gateway is a robust VoIP gateway / analog‑extension module designed to integrate legacy analog phones, fax machines, or analog devices into a modern IP‑PBX or VoIP phone system. Whether you’re upgrading a small office, expanding a business phone system, or consolidating legacy infrastructure, the FVG‑GS16 gives you flexibility, scalability, and professional‑grade reliability.

The Fortinet FVG-GS16 FortiVoice Gateway is a VoIP gateway that works in conjunction with FortiVoice phone systems to integrate traditional analog phones or fax machines and connect to various line types. It is a desktop or rack-mountable device designed for small to medium businesses.

Key Features

16× FXS Analog Extensions — Supports up to 16 individual analog extensions (phones or fax machines).
Dual 10/100 Mbps RJ45 Network Ports — Two network interfaces ensure redundancy or support for multiple VLANs / sub‑nets.
Desktop / Compact Form Factor — Small footprint gateway delivers full functionality without bulky hardware.
Fully Compatible with FortiVoice Systems — Easily integrates with Fortinet’s FortiVoice PBX/phone‑system solutions.
Support for VoIP & Analog Hybrid Deployments — Allows organizations to maintain analog devices while transitioning toward VoIP.
Advanced Network & Security Features: Voice QoS, VLAN (802.1Q), SIP over TLS, SRTP (encrypted voice), SNMP for management, Fax over IP (T.38) support.
Support for Multiple Voice Codecs: G.711 (u‑law / A‑law), G.722, G.726, G.729a — flexibility to support various bandwidth and quality needs.

Why This Gateway is Valuable

Extend Existing Infrastructure: Easily convert existing analog lines, phones, and fax machines to work alongside modern VoIP — no need to replace all hardware at once.
Scalable Expansion: With 16 FXS ports, it’s ideal for small to medium offices, retail locations, hotels, clinics, or any environment needing multiple analog extensions.
Mix Old & New: Useful for businesses transitioning from analog to IP-based phone systems while retaining legacy equipment.
Secure & Managed Voice Traffic: Modern encryption, VoIP standards, and network/security options make this gateway reliable and safe for business communications.

Feature	Detail	Source
Product Type	VoIP Gateway / IP-PBX Appliance
Model Number	FVG-GS16
Form Factor	Desktop (can be rack-mounted with separate kit, occupies 1U rack space)
Connectivity Ports	16 x FXS (RJ-11) ports for analog extensions, 2 x 10/100 RJ-45 Ethernet ports
Supported Protocols & Features	SIP, VoIP, Fax over IP (T.38), QoS, VLAN (802.1Q), SIP over TLS, SRTP, SNMP, Voice Codecs (G.711, G.722, G.726, G.729a)
Fax Support	Supports Fax over VoIP and the T.38 protocol
Management	Web interface and Command Line Interface (CLI)
Dimensions (HxWxD)	1.38 x 13.6 x 6.10 inches (35 x 345 x 155 mm)
Weight	Approximately 2 lbs (0.91 kg)

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