Patent ID: 8988488
Filing Date: 2015-03-24
Classification: H04L,H04N

Abstract:
1. A state transition control method applied in a videoconferencing system, comprising: receiving, by a multipoint control server in the videoconferencing system, a conference reservation message, wherein the videoconferencing system comprises at least the multipoint control server, a site centralized control device at a site, and all external devices of the site controlled by the site centralized control device, wherein the site centralized control device is directly connected to all the external devices of the site controlled by the site centralized control device and the multipoint control server is connected to the site centralized control device through a network, wherein the conference reservation message carries start time and end time of a reserved conference and an identity of the site centralized control device at the site participating in the reserved conference; and sending, by the multipoint control server, a state transition command to the site centralized control device according to the start time of the reserved conference and the identity of the site centralized control device at the site participating in the reserved conference or according to the end time of the reserved conference and the identity of the site centralized control device at the site participating in the reserved conference such that the site centralized control device performs state transition control on all the external devices of the site controlled by the site centralized control device.