The UCM series IP PBX from Grandstreams is a fully-featured, simple-to-manage IP PBX Appliance created to give small- and medium-sized businesses (SMBs) access to enterprise-grade features without the need for licensing fees, feature costs, or any other ongoing expenses. The UCM series provides a highly adaptable, turnkey solution for converged voice, video, data, and mobility applications, including fax and video surveillance, at a very affordable price. It is powered by an advanced hardware platform with strong system resources.