Cisco VG310 Mod. 24 FXS PT Voice Over IP Gateway

Overview

The Cisco VG310 is a voice over IP gateway designed to connect up to 24 analog devices such as phones, fax machines, modems, and speakerphones to an IP-based voice system. Built on the reliable Cisco 2901 platform, it delivers consistent performance and simplifies management for businesses integrating legacy analog equipment with modern IP call-control systems. Its compact 1U rack-mountable design helps save space while maintaining full functionality, making it suitable for a range of office environments.

This gateway is powered by a single core processor that balances smooth operation with energy efficiency. It supports an external universal power supply, ensuring voice services remain operational even during power interruptions. The VG310 is a practical solution for organizations upgrading their telephony infrastructure or expanding their network to include analog devices alongside IP communications.

Key features

• Supports 24 analog FXS ports to connect a variety of legacy devices including phones and fax machines
• Acts as a VoIP adapter, enabling seamless integration of analog equipment into IP networks
• Compact 1U rack-mountable form factor optimizes space in network cabinets and server rooms
• Includes 1 Gigabit Ethernet port for fast and reliable network connectivity
• Built on the Cisco 2901 platform, providing proven stability and ease of management
• External universal power supply support enhances reliability during power outages

Key specs

• Analog ports: 24 FXS ports
• Processor: Single core
• Network interface: 1 Gigabit Ethernet (1GbE) port
• Form factor: 1U rack-mountable
• Power supply: External universal power supply supported

Connectivity and compatibility

The VG310 gateway connects legacy analog devices to IP-based voice systems, making it compatible with a wide range of existing telephony equipment. Its 1GbE network port ensures integration with modern network infrastructure, supporting both Cisco and third-party IP call-control platforms. This flexibility allows businesses to maintain their current analog devices while transitioning to IP telephony at their own pace.

Ideal uses and environments

This gateway is well suited for small to medium-sized offices and larger enterprises that need to bridge analog and IP communications efficiently. It works effectively in environments where existing analog phones, fax machines, or modems must remain operational alongside newer IP-based systems. The compact design and reliable performance make it a strong choice for network closets with limited space and for organizations seeking scalable voice solutions without replacing all legacy equipment.