Foreword1 Scope2 References3 Definitions, symbols and abbreviations4 General5 RANAP Services6 Services Expected from Signalling Transport7 Functions of RANAP8 RANAP Procedures8.1 Elementary Procedures8.2 RAB Assignment8.3 RAB Release Request8.4 Iu Release Request8.5 Iu Release8.6 Relocation Preparation8.7 Relocation Resource Allocation8.8 Relocation Detect8.9 Relocation Complete8.10 Relocation Cancel8.11 SRNS Context Transfer8.12 SRNS Data Forwarding Initiation8.13 SRNS Context Forwarding from Source RNC to CN8.14 SRNS Context Forwarding to Target RNC from CN8.15 Paging8.16 Common ID8.17 CN Invoke Trace8.18 Security Mode Control8.19 Location Reporting Control8.20 Location Report8.21 Data Volume Report8.22 Initial UE Message8.23 Direct Transfer8.24 Void8.25 Overload Control8.26 Reset8.27 Error Indication8.28 CN Deactivate Trace8.29 Reset Resource8.30 RAB Modification Request8.31 Location Related Data8.32 Information Transfer8.33 UE Specific Information8.34 Direct Information Transfer8.35 Uplink Information Exchange8.36 MBMS Session Start8.37 MBMS Session Update8.38 MBMS Session Stop8.39 MBMS UE Linking8.40 MBMS Registration8.41 MBMS CN De-Registration8.42 MBMS RAB Establishment Indication8.43 MBMS RAB Release8.44 Enhanced Relocation Complete8.45 Enhanced Relocation Complete Confirm8.46 SRVCC Preparation8.47 UE Radio Capability Match8.48 UE Registration Query8.49 Reroute NAS Request9 Elements for RANAP Communication9.1 Message Functional Definition and Content9.2 Information Element Definitions9.2.0 General9.2.1 Radio Network Layer Related IEs9.2.2 Transport Network Layer Related IEs9.2.3 NAS Related IEs9.3 Message and Information Element Abstract Syntax (with ASN.1)9.3.0 General9.3.1 Usage of private message mechanism for non-standard use9.3.2 Elementary Procedure Definitions9.3.3 PDU Definitions9.3.4 Information Element Definitions9.3.5 Common Definitions9.3.6 Constant Definitions9.3.7 Container Definitions9.4 Message Transfer Syntax9.5 Timers10 Handling of Unknown, Unforeseen and Erroneous Protocol Data11 Special Procedures for RNC to RNC CommunicationA.1 Rules for building RANAP messagesA.2 Guidelines for Usage of the Criticality Diagnostics IE 8.24 Void 25.4133GPPRelease 17TSUTRAN Iu interface Radio Access Network Application Part (RANAP) signalling Tools: ARFCN - Frequency Conversion for 5G NR/LTE/UMTS/GSM