Patent ID: 7683923
Filing Date: 2010-03-23
Classification: H04L,H04N

Abstract:
1. A videoconference system, comprising: terminals; multipoint control units (MCUs), as a superior level for the terminals, for controlling the corresponding terminals to participate in a videoconference; conference management systems, as a superior level for the MCUs, for managing resource allocation of the corresponding MCUs, and performing conference dispatching and control for a local conference site; and conference coordination systems, as a superior level for the conference management systems, for determining a master conference management system and a slave conference management system from corresponding conference management systems to perform dispatching among the master conference management system and the slave conference management system and a neighboring conference coordination system at a dispatching request, and for controlling the conference by forwarding conference control data; wherein one of the MCUs managed by the master conference management system serves as a master MCU, other MCUs in the master conference management system and MCUs in the slave conference system serve as slave MCUs, and the master conference management system is adapted for accomplishing cascading among the master MCU and the slave MCUs.