Foreword1 Scope2 References3 Definitions and abbreviations4 Main concepts5 General architecture6 Compatibility issues7 Transmission8 Information storage9 Identities10 Operation and maintenance aspects11 Function and information flows12 ChargingA.1 Subscriber information for Localised Service AreaA.2 Network ArchitectureA.3 Signalling Interworking 7 Transmission 3GPP43.073Release 17Stage 2Support of Localised Service Area (SoLSA)TS Tools: ARFCN - Frequency Conversion for 5G NR/LTE/UMTS/GSM No specific requirements are identified.