
Information technology ? Telecommunications and information exchange between systems ? Private Integrated Services Network ? Specification, functional model and information flows ? Short message service
出版:Korean Standards Association

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基本信息
标准编号: KS X ISO/IEC 21989:2014
发布时间:2014/12/31 0:00:00
标准类别:Standard
出版单位:Korean Standards Association
标准页数:45
本标准替代的旧标准
等同采用的国际标准
ISO/IEC 21989:2002 - Identical