The UCM6100 series is an IP PBX appliance designed to bring enterprise-grade Unified Communications and security protection to small and medium businesses in an easy-to-manage fashion. Powered by an advanced hardware platform and software functionalities, the UCM6100 series supports up to 500 users and offers a turnkey solution for converged voice, video, data, fax, security surveillance, and mobility applications without any extra license fees or recurring costs.