State conversion control method, multi-point control server and video communication conference system

The embodiment of the invention provides a state conversion control method, a multi-point control server and a video communication conference system. The state conversion control method comprises the following steps: the multi-point control server receives a conference subscription message, the conference subscription message carries the start time and the end time of a subscribed conference and a mark of hall centralized control equipment in the hall of the subscribed conference; according to the start time of the subscribed conference and the mark of the hall centralized control equipment in the hall of the subscribed conference, or according to the end time of the subscribed conference and the mark of the hall centralized control equipment in the hall of the subscribed conference, transmitting a state conversion command to the hall centralized control equipment. With the embodiment of the invention, centralized control can be achieved, the equipment in the video communication conference system is enabled to enter into a shutdown state during a non-conference state, the equipment in the video communication conference system is enabled to return to a normal operating state during a conference state; thus the experience degree of the user is improved, and the energy consumption of the video communication system is reduced.