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Grandstream offer an range of award winning IP-PBXs which offer an advanced feature set with no licensing fees, upgrade fees or cost per feature.
With the Grandstream UCM range you can enjoy smooth and easy network integration. Support from 500 users with the UCM6202, all the way up to 2000 users with the UCM6510, the Grandstream UCM series of IP PBXs provide an anchor to any communications network solution.