Grandstream UCM6308 IP Centrex

The Grandstream IP Centrex UCM6308 is a scalable unified communications platform for businesses, supporting up to 3000 users. This compact IP PBX integrates voice, video calling, video conferencing, web meetings, video surveillance connectivity, mobility tools and analytics on a single network. The device includes Gigabit Ethernet LAN, an LCD for system information, AC input 100–240V and a rack-friendly compact chassis (485 × 187.2 × 46.2 mm), and can operate as part of the UCM6300 ecosystem to provide hybrid on‑premise and remote cloud access.

Advantages

The UCM6308 centralizes multiple communication services—voice, video, meetings and intercoms—into one on‑premise platform with support for built‑in web meetings and video conferencing. It is compatible with the Wave app for mobile and web collaboration and with UCM RemoteConnect for secure remote access, and it supports cloud setup and management via GDMS plus API integration for third‑party systems. The product’s compact design, Gigabit LAN and LCD status display simplify deployment and monitoring in business environments.

Suitable for

• Small and medium enterprises requiring a single unified communications platform
• Organisations needing a hybrid on‑premise and remote access solution
• Companies that use IP phones, desktop/mobile clients and GVC devices for meetings

Key specifications

• Model: Grandstream UCM6308 (MPN: UCM6308, EAN: 6947273703211)
• Maximum users supported: up to 3000 users
• Network: Gigabit Ethernet LAN
• Power: AC input 100–240 V
• Dimensions: 485 mm × 187.2 mm × 46.2 mm

How to use

Install the UCM6308 in your network rack or a stable surface and connect it to your LAN using the Gigabit Ethernet ports. Power the unit with a 100–240 V AC source and use the LCD to review basic system status. Access the web administration interface to configure users, extensions, SIP trunks, codecs and built‑in web meeting settings. Optionally pair the device with the Wave app and enable UCM RemoteConnect for secure remote client connections, and register GVC or IP phone endpoints as required.

Recommendations

For reliable performance, deploy the UCM6308 on a stable network with sufficient bandwidth for concurrent voice and video traffic, keep firmware updated via GDMS, and use UCM RemoteConnect when allowing remote worker access to avoid manual firewall/NAT configuration.