IP PBX

High Density IP PBX

A powerful yet easy to manage voice, video, data, and mobility communications platform has never been more achievable than when anchored with Grandstream’s series of UCM IP PBXs. The UCM series of IP PBXs offer an extensive set of unified communication features in an easy-to-manage on premise solution with no licensing fees, upgrade fees or costs per features. Our UCMs range from small and medium business deployments to small and medium enterprise solutions.



UCM6300 series

UCM6300 series

Supports up to 3000 users and up to 450 concurrent calls

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UCM6300 Audio series

UCM6300 Audio series

Supports up to 1500 users and up to 200 concurrent calls

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UCM6510

Supports up to 2000 SIP endpoint registrations

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UCM6200 Series

support up to 500 users and 50/75 concurrent calls

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pbxact-5000

PBXACT 5000

Supports up to 5000 licensed extensions
and 1500 simultaneous calls

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pbxact-2000

PBXACT 2000

Supports up to 2000 licensed extensions
and 1500 simultaneous calls

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pbxact-1200

PBXACT 1200

Supports up to 1200 licensed extensions
and 350 simultaneous calls

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