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SYSTEM AND METHOD FOR CANCELING IPPV PURCHASING PROGRAM OF VIDEO/AUDIO CHANNEL AND MUSIC CHANNEL OF DMB SYSTEM
SYSTEM AND METHOD FOR CANCELING IPPV PURCHASING PROGRAM OF VIDEO/AUDIO CHANNEL AND MUSIC CHANNEL OF DMB SYSTEM
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机译:取消DMB系统的视频/音频通道和音乐通道的ipvv购买程序的系统和方法
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摘要
Disclosed is a system and method for canceling an IPPV purchase for a video/audio channel or a music channel in a digital broadcasting system, the IPPV purchase cancellation system including: a callback server; a BIS for receiving an IPPV purchase history and a purchase cancellation history from the callback server, managing a total usage limit and an accumulated usage history, and managing the number of tokens required; a CAS for transmitting an ECM and an EMM to the digital broadcast receiving terminal, wherein the CAS is connected to a PMS, sets an IPPV usage limit of the digital broadcast receiving terminal of a subscriber, manages a total usage limit and purchase, and restricts adult-only programs from being illegally viewed and broadcast programs from being illegally viewed by a user for whom service has been temporarily revoked.
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