ISO/IEC 21989 : 2002(R2015)现行
INFORMATION TECHNOLOGY - TELECOMMUNICATIONS AND INFORMATION EXCHANGE BETWEEN SYSTEMS - PRIVATE INTEGRATED SERVICES NETWORK - SPECIFICATION, FUNCTIONAL MODEL AND INFORMATION FLOWS - SHORT MESSAGE SERVICE
出版：International Organization for Standardization
专家解读视频
Provides the Short Message Service (SMS), which is based on GSM 03.40.
CSA ISO/IEC 21989 : 2004 : R2012 - Identical
DIN EN 301990 : 2004 - Corresponds
CSA ISO/IEC 21989 : 2004 - Identical
CSA ISO/IEC 21989 : 2004 : R2017 - Identical
CSA ISO/IEC 21989 : 2004 - Identical
NEN ISO/IEC 21989 : 2002 - Identical
