ForewordIntroduction1 Scope2 References3 Definitions and abbreviations4 Description5 Procedures for Mobile Originated Calls and Forwarded Calls6 Procedures for Mobile Terminated Calls7 Procedures for serving network dialled services8 Procedures for Call Party Handling9 Procedures for SMS9.8 Charging Procedures10 Procedures for GPRS Data Transmission11 Unused clause12 Notification of non-traffic events to the CSE13 CSE interrogation and control of subscription data14 Subscriber interactions with the CSE15 Charging Activities16 Exceptional procedures or unsuccessful outcome17 CSE related congestion control18 Interactions with supplementary services19 Interactions with Operator Determined Barring (ODB)20 Interactions with Optimal Routeing (OR)21 Interactions with SCUDIF call22 Location Information23 Cross Phase compatibility with future Phases of CAMEL24 Procedures for trunk originated servicesB.1 GeneralB.2 Mobile Originated EventsB.3 Mobile Terminated Events 11 Unused clause 22.0783GPPCustomised Applications for Mobile network Enhanced Logic (CAMEL)Release 17Service descriptionStage 1TS Tools: ARFCN - Frequency Conversion for 5G NR/LTE/UMTS/GSM