Foreword1 Scope2 References3 Definitions of terms and abbreviations4 General Concept5 Architecture model6 Functionalities and features7 MBS procedures7.1 Common procedure for Multicast and Broadcast7.1.1 MBS Session Management7.1.2 MB-SMF discovery and selection for multicast/broadcast session7.1.3 MB-UPF discovery and selection for multicast/broadcast session7.2 MBS procedures for multicast Session7.2.1 MBS join and Session establishment procedure7.2.2 Multicast MBS Session leave and Multicast MBS Session release procedure7.2.3 Mobility Procedures for MBS7.2.4 Support of Local multicast service and Location dependent multicast service7.2.5 MBS session activation and deactivation7.2.6 Multicast session update procedure7.2.7 Void7.2.8 Service request procedure7.2.9 AF provisioning multicast MBS Session Authorization information7.3 MBS procedures for broadcast Session7.4 MBS procedures for inter System Mobility7.5 MBS procedures for Group Message Delivery8 Control and user plane stacks9 Network Function Services 7.2.7 Void 23.2473GPPArchitectural enhancements for 5G multicast-broadcast servicesRelease 18TS Tools: ARFCN - Frequency Conversion for 5G NR/LTE/UMTS/GSM