Foreword1 Scope2 References3 Symbols and abbreviations4 GERAN Architecture5 Radio Interface Protocol Architecture6 User and Control Plane Protocols7 Ciphering8 Integrity protection9 Mobility Management and Session Management (MM and SM)10 Sequence Diagrams Examples for HandoverA.1 Conversational Radio Access BearerA.2 Streaming, Interactive, Background Radio Access BearersB.1 GPRS RLC/MAC data block headerB.2 EGPRS RLC/MAC data block headerB.3 ECSD RLC/MAC data block headerC.1 VoidC.2 MAC statesC.3 Mapping between RRC States and MAC States 9 Mobility Management and Session Management (MM and SM) 3GPP43.051GSM/EDGE Overall descriptionRelease 17Stage 2TS Tools: ARFCN - Frequency Conversion for 5G NR/LTE/UMTS/GSM See 3GPP TS 24.008.