Foreword1 Scope2 General3 Categories and framework of supplementary services4 Supported supplementary services5 Use of a password option in relation to supplementary services6 Not used7 Processing of supplementary service operations8 Format of description 6 Not used 22.0043GPPGeneral on supplementary servicesRelease 17TS Tools: ARFCN - Frequency Conversion for 5G NR/LTE/UMTS/GSM