It not only includes the VOD subsystem, but also encompasses several other subsystems: live digital TV program, video conference, IPphone,network management,accounting,etc.

• 该系统不仅包括VOD视频点播系统，还有其他如数字电视直播、视频会议、IP电话、网管计费等子系统以及提供支撑的家庭网关、交换机等设备。