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TechSpec
  • Foreword
  • 1 Scope
  • 2 References
  • 3 Definitions of terms, symbols and abbreviations
  • 4 System architecture
  • 5 System procedures
    • 5.1 General
    • 5.2 Authentication
    • 5.3 5GC-EPC Mobility Scenarios
    • 5.4 Scenarios of Interworking with IMS
    • 5.5 SMS Support
    • 5.6 Common Network Exposure Scenarios
  • 6 Network Function Service procedures

5.1 General

23.6323GPPRelease 18Stage 2TSUser data interworking, coexistence and migration

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

Procedures involving communication between HSS and UDM comprise Authentication, Mobilty, IMS interworking, and SMS support.