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full Table of Contents for  TR 24.890  Word version:   15.1.0

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12 5G System core network impact on services, network functions and capabilities  12.1 Specific services  12.2 Access control 
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12  5G System core network impact on services, network functions and capabilities
12.1  Specific services
12.1.1  Public warning system
12.1.1.1  General
12.1.1.1.1  Service Requirements
12.1.1.1.2  Technology Framework Assumptions
12.1.1.2  Architecture alternative 1: Supporting PWS in 5GS via Service based Interface  Up
12.1.1.2.1  Overview
12.1.1.2.2  Architecture description
12.1.1.2.2.1  PWS architecture
12.1.1.2.2.2  AMF functionality  Word-p. 232
12.1.1.2.2.3  CBCF functionality
12.1.1.2.2.4  NG-RAN functionality
12.1.1.2.3  Protocol Stack Overview  Word-p. 233
12.1.1.2.4  CBCF-AMF interface operations
12.1.1.3  Architecture alternative 2: Supporting PWS in 5GS via SBc like Interface  Word-p. 234
12.1.1.3.1  Overview  Up
12.1.1.3.2  Architecture description
12.1.1.3.2.1  PWS architecture
12.1.1.3.2.2  AMF functionality  Word-p. 235
12.1.1.3.2.3  CBC functionality
12.1.1.3.2.4  NG-RAN functionality
12.1.1.3.3  NG-RAN Protocol Overview  Word-p. 236
12.1.1.3.4  CBC-AMF interface
12.1.1.4  Architecture alternative 3: Supporting PWS in 5GS to CBCF and via PWS-IWF to CBC  Word-p. 237
12.1.1.4.1  Overview
12.1.1.4.2  Architecture description  Up
12.1.1.4.2.1  PWS architecture
12.1.1.4.2.2  AMF functionality
12.1.1.4.2.3  CBCF functionality  Word-p. 238
12.1.1.4.2.4  CBC functionality
12.1.1.4.2.5  PWS-IWF functionality
12.1.1.4.2.6  NG-RAN functionality
12.1.1.4.3  Protocol Stack Overview  Word-p. 239
12.1.1.5  Overall evaluation
12.1.2  SMS over NAS  Word-p. 241
12.1.2.1  Registration requirements  Up
12.1.2.1.1  Initial registration initiation
12.1.2.1.2  Initial registration accepted by the network
12.1.2.1.3  Mobility and periodic registration update initiation  Word-p. 242
12.1.2.1.4  Mobility and periodic registration update accepted by the network
12.1.3  Emergency services
12.1.3.1  Indication of support of emergency services
12.1.3.2  Handling of emergency service for the UE in limited service state  Word-p. 243
12.1.3.3  Emergency PDU session setup
12.1.3.4  Handling of local emergency numbers
12.1.3.5  Security procedures for handling emergency services  Word-p. 244
12.1.3.6  IMS emergency call reattempt
12.1.4  Location services
12.1.5  Multimedia priority services
12.1.5.1  General
12.1.5.2  5GS mobility management priority mechanisms
12.1.5.3  5GS session management priority mechanisms  Word-p. 245
12.2  Access control
12.2.1  Unified access control (Alternative 1)
12.2.1.1  General
12.2.1.2  Operator-specific access categories  Word-p. 246
12.2.1.3  Mapping of an access attempts to access category  Word-p. 247
12.2.2  Access categories, access categorization and access control checking (combined Alternative 2 and Alternative 1)  Word-p. 249
12.2.2.1  General
12.2.2.2  Determination of the access identities and access category associated with a request for access  Word-p. 250
12.2.2.3  Operator-defined access categories  Word-p. 251
12.2.2.4  Access control and checking  Word-p. 252
12.2.2.4.1  Access control and checking in 5GMM-IDLE mode
12.2.2.4.2  Access control and checking in 5GMM-CONNECTED mode and in 5GMM-CONNECTED mode with RRC inactive indication  Word-p. 253
12.2.2.5  Exception handling and avoiding double barring  Word-p. 254
12.2.3  Alternative 3  Word-p. 255
12.2.3.1  General
12.2.3.2  Access attempts for standardized access categories
12.2.3.2A  Operator specific access categories  Word-p. 259
12.2.3.3  Layers detecting the access attempts
12.2.3.4  Access category selection assistance information  Word-p. 260
12.2.3.5  Enforcement of unified access control  Word-p. 261

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