Grandstream UCM6304 – IP PBX with 4 FXO, 4 FXS, 2000 Users & 300 Calls

The Grandstream UCM6304 IP PBX is a high-performance unified communications platform designed for medium-sized businesses that require seamless integration of VoIP, PSTN, and analog communication systems. Equipped with 4 FXO ports and 4 FXS ports, it enables direct connectivity to traditional PSTN lines and analog devices such as phones and fax machines, creating a complete hybrid communication solution.

With support for up to 2000 users and approximately 300 concurrent calls, the Grandstream UCM6304 IP PBX delivers reliable performance for growing organizations. It supports a wide range of SIP-based endpoints, including IP phones, softphones, and video conferencing systems, allowing businesses to unify communication across multiple devices and locations.

The system features three Gigabit Ethernet ports with PoE+ support, providing flexible network deployment and integrated NAT routing. Built-in voice and video conferencing capabilities, combined with compatibility with Grandstream’s Wave application, enable efficient collaboration across teams without the need for additional hardware.

Advanced telephony features include auto-attendant (IVR), call queues, voicemail-to-email, call recording, call park and pickup, BLF, call forwarding, Do Not Disturb (DND), and multi-site connectivity, ensuring a professional and efficient communication environment.

Security is enhanced with support for TLS, SRTP, HTTPS, and SSH encryption, protecting both voice and data communications. The system integrates seamlessly with the Grandstream Device Management System (GDMS), allowing centralized cloud-based provisioning, monitoring, and firmware updates for simplified IT management.

Additionally, the UCM6304 offers flexible deployment options with a desktop or rack-mountable design, making it suitable for various business environments. With no licensing fees, it provides a cost-effective solution for organizations looking to implement enterprise-grade unified communications without ongoing costs.

The Grandstream UCM6304 IP PBX is the ideal solution for businesses seeking scalability, security, and advanced communication features in a single, easy-to-manage platform.