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TechSpec
  • Foreword
  • 1 Scope
  • 2 References
  • 3 Definitions and abbreviations
  • 4 Handling of Follow Me
    • 4.1 General
    • 4.2 Information Flows
    • 4.3 Handling of FM control in HLRa and FFNb
      • 4.3 Handling of FM control in HLRa and FFNb
      • 4.3.1 Handling of FM control in HLRa
      • 4.3.2 Handling of FM control in FFNb
    • 4.4 USSD interworking and Cross-phase compatibility
  • 5 Information stored in the network entities
  • B.1 General principles
  • B.2 Information Elements used in the messages
  • B.3 Messages Contents of the FM Request
  • B.4 Messages Contents of the HLR-FM-Request
  • B.5 Contents and Format of the USSD String of the USSD-Notify
  • B.6 Inter-process Message Init-Notify

1 Scope

23.0943GPPFollow-Me (FM)Release 17Stage 2TS

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

The present document specifies the stage 2 description for the Follow Me feature.

The Follow Me feature enables a mobile subscriber A to manipulate the Follow Me data of a remote party B in such a way that subsequent calls directed to remote party B will be forwarded to subscriber A.