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TechSpec
  • Foreword
  • 1 Scope
  • 2 References
  • 3 Definitions and abbreviations
  • 4 Description
  • 5 High level USAT requirements
  • 6 SAT/USAT/ME interface requirements
  • 7 USAT User Interface requirements
  • 8 Network interface requirements
  • 9 USAT data exchange capabilities requirements
  • 10 Charging requirements
  • 11 Security requirements
  • 12 Emergency calls
  • 13 Roaming
  • 14 Interaction with supplementary services
  • 15 Interaction with network features
  • 16 Compatibility of USAT ME’s and applications
  • 17 Void

13 Roaming

(U)SIM Application Toolkit (USAT)22.0383GPPRelease 17Service descriptionStage 1TS

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

Provided a roaming agreement for the necessary transport/bearer service(s) (e.g. SMS, GPRS) is currently valid, the USAT execution environment shall be supported when roaming.