full Table of Contents for TR 24.890 Word version: 15.1.0
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
12.2 Access control
12.1.1.1 General
12.1.1.2 Architecture alternative 1: Supporting PWS in 5GS via Service based Interface 
12.1.2 SMS over NAS Word-p. 241
12.1.3 Emergency services
12.1.1.2.1 Overview
12.1.1.2.2 Architecture description
12.1.1.3 Architecture alternative 2: Supporting PWS in 5GS via SBc like Interface Word-p. 234
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
12.1.1.3.1 Overview
12.1.1.3.2 Architecture description
12.1.1.4 Architecture alternative 3: Supporting PWS in 5GS to CBCF and via PWS-IWF to CBC Word-p. 237
12.1.1.3.2 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
12.1.1.4.1 Overview
12.1.1.4.2 Architecture description
12.1.1.5 Overall evaluation
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
12.1.3.1 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
12.2.1 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
12.2.3 Alternative 3 Word-p. 255
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
12.2.3.1 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
