The Grandstream UCM6200 and UCM6500 series IP PBX are full-featured, easy-to-manage IP PBX Appliance designed to bring enterprise-grade features to small-and-medium sized businesses (SMBs) without the need for licensing fees, costs per feature, or any recurring cost
Support from 500 users, all the way up to 2000 users on Grandstream UCM6510 series, these IP PBXs provide the anchor to any communications network solution.
