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  3. SM EN 301 990 V1.1.1:2020
SM EN 301 990 V1.1.1:2020 Private Integrated Services Network (PISN). Specification, functional model and information flows. Short message service supplementary service [ISO/IEC 21989 (2002) modified]
  • Statute : Adopted
  • Effective date : 16.07.2020
  • Is valid? : Yes
  • Available in : English
  • Pages : 54
198.60 lei
Classification of the standard
  • ICS code
  • Name
  • 33.080
  • Integrated Services Digital Network (ISDN)
Link between documents
  • Link type
  • Notation
  • IDT-identical international
  • ISO/IEC 21989:2002
  • IDT
  • ETSI EN 301 990 V1.1.1 (2003-06)

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