Grandstream UCM6304 IP PBX Appliance with 4 FXO, 4 FXS Ports

Overview

The Grandstream UCM6304 is an IP PBX appliance designed to unify voice, video, and data communications into a single platform for businesses. It supports up to 2000 registered users and can handle 300 concurrent calls, making it suitable for small to mid-size companies, branch offices, and institutions like schools and clinics. With four FXO ports for connecting to public telephone lines and four FXS ports for legacy analog devices, it bridges traditional telephony with modern IP communications seamlessly.

Key features

• Four FXO ports enable connection to standard analog phone lines, ensuring compatibility with existing telephony infrastructure.
• Four FXS ports support legacy devices such as fax machines, cordless phones, and overhead paging systems, preserving current equipment investments.
• Built-in video conferencing and web meeting capabilities allow teams to collaborate without additional licensing fees, supporting H.264 and H.265 codecs for efficient, high-quality video streaming.
• Three Gigabit Ethernet ports provide flexible network design options, including PoE+ support to reduce cabling by powering devices over Ethernet.
• A color 320 x 240 LCD touchscreen on the front panel offers quick access to system status and simplifies on-site troubleshooting.
• Browser-based management interface consolidates call routing, security, and user provisioning into one accessible platform for IT administrators.
• API availability allows integration with third-party CRM systems, facility access controls, and surveillance solutions, enhancing overall business workflows.
• Grandstream’s Wave app and UCM RemoteConnect service extend the phone system to mobile devices and laptops, supporting remote and traveling employees effectively.
• No recurring licensing fees for core features ensure predictable budgeting and lower total cost of ownership.

Key specs

• User capacity: up to 2000 registered users
• Concurrent calls: supports up to 300 simultaneous calls
• FXO ports: 4 ports for connecting to public telephone lines
• FXS ports: 4 ports for analog devices like fax machines and paging systems
• Network ports: 3 Gigabit Ethernet ports with PoE+ support
• Video codecs supported: H.264 and H.265 for video conferencing
• Front panel display: 320 x 240 color LCD touchscreen

Connectivity and compatibility

The UCM6304 offers versatile connectivity options to fit into diverse network environments. Its FXO and FXS ports maintain compatibility with traditional telephony and analog devices, while the Gigabit Ethernet ports support high-speed IP communications. PoE+ readiness simplifies installation in locations with power over Ethernet infrastructure, reducing the need for additional power adapters.

• Four FXO ports for PSTN line integration
• Four FXS ports for analog handsets, fax machines, and paging systems
• Three Gigabit Ethernet ports supporting PoE+ for network flexibility
• Supports integration with mobile and desktop devices via Grandstream Wave app and UCM RemoteConnect

Performance and reliability

This appliance is built to handle demanding communication needs with robust call capacity and user support. The inclusion of video conferencing with efficient codecs ensures smooth collaboration without taxing network resources. The front-panel touchscreen and browser-based management tools provide quick diagnostics and easy configuration, helping maintain uptime and streamline IT operations.

Ideal uses and environments

The UCM6304 fits well in growing small to mid-size businesses, branch offices requiring synchronization with headquarters, and institutions like schools, hotels, and clinics that need unified communications without ongoing subscription costs. Its combination of legacy support and modern IP features makes it a strong choice for organizations transitioning to VoIP while retaining existing equipment.