Foreword1 Scope2 References3 Definitions of terms, symbols and abbreviations4 System overview5 MBS User Service Announcement6 Object Delivery Method7 Packet Delivery MethodA.1 XML-based representationA.2 JSON-based representationB.1 XML-based representationB.2 JSON-based representation 4 System overview 26.5173GPP5G Multicast-Broadcast User ServicesProtocols and FormatsRelease 17TS Tools: ARFCN - Frequency Conversion for 5G NR/LTE/UMTS/GSM