办公自动化管理系统OAS
Office Automation Management System(OAS)
公共广播系统PDS Public Broadcasting System(PDS)
卫星电视及有线电视接收系统CATV Satellite TV and Cable TV Receiving System(CATV)
会议电视系统VC Video Conference System(VC)
视频点播系统VS Video-on-demand System(VS)
电子智能会议系统IC Intelligent Conference System(IC)