UCM6304 IP PBX 4FXO, 4FXS Appliance

Centralized Unified Communications for Modern Enterprises

The Grandstream UCM6304 is an advanced IP PBX appliance designed to provide a comprehensive communication and collaboration solution for small to medium businesses. This powerful system unifies voice, video calling, video conferencing, data, and mobility onto one centralized network for a streamlined experience. Supporting up to 2000 users and 300 concurrent calls, it serves as a robust foundation for organizations that require high-capacity, reliable telephony without the burden of monthly per-seat licensing fees.

Powerful Hardware with Integrated Analog Connectivity

Equipped with a high-speed quad-core processor and significant system resources, the UCM6304 is built for performance and stability. It features 4 integrated FXO ports for PSTN lines and 4 FXS ports for analog devices, all of which include lifeline capability to maintain communication during power outages. The unit also includes three self-adaptive Gigabit network ports with integrated PoE+ and router capabilities, ensuring high-speed data transfer and flexible network deployment.

Scalable Security and Remote Collaboration

To protect your business data, the UCM6304 provides enterprise-grade security including secure boot, unique security certificates, and SRTP/TLS/HTTPS encryption. It supports the UCM6300 ecosystem, featuring the Wave app for remote voice and video collaboration across desktop, web, and mobile platforms. This hybrid platform combines the control of an on-premise system with the remote accessibility of cloud solutions, including automated NAT firewall traversal for secure off-site connections.

Complete Ecosystem with Professional Accessories

A professional communication network is most effective when paired with the right peripherals. The UCM6304 offers zero-configuration provisioning for Grandstream SIP endpoints, making it easy to integrate video conferencing systems and high-definition IP video phones. For reception desks and high-volume administration, pairing the system with expansion modules provides quick access to extensions. By utilizing specialized voice codecs like Full-Band Opus, the system ensures that audio remains clear even with up to 50% packet loss, making it a reliable gatekeeper for your facility's total communication needs.