A powerful yet simple-to-manage voice, video, data, and mobility communications platform has never been easier to achieve than when anchored by Grandstream's UCM IP PBX series. The UCM series of IP PBXs provide a comprehensive set of unified communication features in an easy-to-manage on-premise solution with no licensing fees, upgrade fees, or feature costs. Our UCMs range from small and medium enterprise solutions to small and medium business deployments.

These award-winning IP PBXs provide a comprehensive set of features with no licensing fees, upgrade fees, or per-feature costs. With the UCM series of IP PBXs, you can enjoy smooth and simple network integration. With capacities ranging from 500 to 2000 users on our UCM6510 series, these IP PBXs serve as the foundation for any communications network solution.