CSA ISO/IEC 15505 : 2004(R2019)现行
Information technology — Telecommunications and information exchange between systems — Private Integrated Services Network — Specification, functional model and information flows — Message Waiting Indication supplementary service
出版：Canadian Standards Association
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基本信息
标准编号： CSA ISO/IEC 15505 : 2004(R2019)
标准类别：Standard
出版单位：Canadian Standards Association
标准页数：0
标准简介
This International Standard specifies supplementary service Message Waiting Indication (SS-MWI), which is related, but not limited, to various basic services supported by Private Integrated Services Networks (PISNs). Basic services are specified in ISO/IEC 11574.
本标准替代的旧标准
