CSA ISO/IEC 21990 : 2004现行
INFORMATION TECHNOLOGY - TELECOMMUNICATIONS AND INFORMATION EXCHANGE BETWEEN SYSTEMS - PRIVATE INTEGRATED SERVICES NETWORK - INTER-EXCHANGE SIGNALLING PROTOCOL - SHORT MESSAGE SERVICE
出版：Canadian Standards Association
专家解读视频
基本信息
标准编号： CSA ISO/IEC 21990 : 2004
标准类别：Standard
出版单位：Canadian Standards Association
标准页数：0
标准简介
Provides the signalling protocol for the support of the Short Message Service (SMS) at the Q reference point between Private Integrated services Network eXchanges (PINXs) connected together within a Private Integrated Services Network (PISN).
等同采用的国际标准
ISO/IEC 21990 : 2002(R 2015) - Identical
