Grandstream UCM6308A IP Centrex

The Grandstream IP Centrex UCM6308A is a high-end unified communication and collaboration platform designed for businesses that require a scalable on‑premise PBX with cloud-capable features. Supporting up to 2000 users, the UCM6308A consolidates voice, video calling, web meetings, video conferencing, video surveillance integration, messaging and mobility into a single centralized system. The unit includes Gigabit Ethernet LAN, an LCD display for system information and compact dimensions suitable for office deployment.

Advantages

The UCM6308A provides a unified platform that reduces the need for multiple communication systems by integrating voice, video, meetings, security and mobility tools. It supports up to 2000 users, includes built-in web meeting and video conferencing capabilities, and can operate as a hybrid solution when paired with the Wave app and UCM RemoteConnect for secure remote access. The device also supports cloud setup and management through GDMS and offers API access for third‑party integration.

Suitable for

• Small to medium enterprises that need a scalable IP PBX
• Organizations requiring integrated voice, video and web meeting tools
• Businesses that want an on‑premise system with secure remote access
• Sites needing centralized management and third‑party integrations

Key specifications

• Model: Grandstream UCM6308A (MPN: UCM6308A, EAN: 6947273703594)
• User capacity: up to 2000 users
• Network: Gigabit Ethernet LAN
• Power: 100–240 V AC
• Dimensions: 187.2 mm x 485 mm x 46.2 mm
• Weight: 2.538 kg
• Built-in: web meetings and video conferencing, LCD display

How to use

Install the UCM6308A in a suitable rack or shelf location with network access to your LAN and power it from a 100–240 V AC source. Connect SIP phones, IP cameras and endpoints to the Gigabit Ethernet LAN ports and configure system settings via the built‑in web interface or through GDMS for cloud provisioning. Enable Wave and UCM RemoteConnect if remote access and hybrid cloud capabilities are required. Use the LCD display for quick status checks and local information during setup.

Recommendations

For optimal performance, deploy the UCM6308A on a reliable network with sufficient bandwidth for concurrent voice and video streams, keep firmware updated via Grandstream’s GDMS, and use UCM RemoteConnect or a secure VPN for remote users to ensure stable and secure connections.