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TechSpec
  • Foreword
  • 1 Scope
  • 2 References
  • 3 Definitions, symbols and abbreviations
  • 4 USSD using IMS
  • 5 Extensions within the present document
  • A.1 UE sending USSD request, no further information required
  • A.2 UE sending USSD request, further information required from network
  • A.3 USSI AS sending USSD request, no further information required
  • A.4 USSI AS sending USSD request, further information required from network
  • B.1 General
  • B.2 Definition of media feature tag g.3gpp.nw-init-ussi
  • C.1 Scope
  • C.2 Application usage of SIP
  • D.1 Scope
  • D.2 Application usage of SIP
  • E.1 Scope
  • E.2 Application usage of SIP

E.1 Scope

24.3903GPPRelease 17Stage 3TSUnstructured Supplementary Service Data (USSD) using IP Multimedia (IM) Core Network (CN) subsystem IMS

Tools: ARFCN - Frequency Conversion for 5G NR/LTE/UMTS/GSM

The present annex defines IP-CAN specific requirements for a Unstructured Supplementary Service Data (USSD) using IP Multimedia (IM) Core Network (CN) subsystem IMS, where the IP-CAN is the 5G System (5GS).