MCUs (Multipoint Control Unit) and video conferencing network infrastructure products make it possible to connect with people outside of the company, enabling enterprises to seamlessly extend the benefits of video to suppliers, partners and customers. The Multipoint Control Unit is an endpoint on the LAN that provides the capability for 3 or more terminals and gateways to participate in a multipoint conference. The MCU consists of a mandatory Multipoint Controller (MC) and optional Multipoint Processors (MPs).