标准摘要
[中文适用范围]： ISO/IEC 16500 的这一部分提供了 DAVIC 系统提供的使用信息的接口要求，以支持外部支持系统 (ESS)，例如计费系统、定价系统和市场研究系统。 需要与外部支持系统通信的 DAVIC 元件应符合此规范。 并不要求所有 DAVIC Elements 都与外部支持系统通信。 [外文原描述]： This part of ISO/IEC 16500 provides the interface requirements for Usage Information provided by the DAVIC System to support External Support Systems (ESS) such as billing systems, pricing systems and market research systems. DAVIC Elements that need to communicate with External Support Systems shall conform to this specification. It is not required that all DAVIC Elements communicate with External Support Systems.
英文名称Information technology - Generic digital audio-visual systems - Part 9: Usage information protocols