Hello Everyone, Now I have shared a Basic knowledge of how to setup Grandstream UCM IP PBX server, basically 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 IPPBXs. 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 feature. Our UCMs range from small…