Patent attributes
The conference system includes a plurality of terminal apparatuses and a conference management apparatus. The terminal apparatus has an access privilege granting unit, a permission information storage device, and an access privilege setting unit. The conference management apparatus has an access control information updating unit and an access restriction management unit. The access privilege granting unit generates permission information, and send the permission information to a target terminal apparatus. Upon receiving the permission information, the access privilege setting unit causes the permission information to be stored in the permission information storage device, and also sends the permission information to the conference management apparatus. Then, the access control information updating unit updates access control information according to the permission information. The access restriction management unit performs access restriction to system resources based on the updated access control information.
