TS 24.501 v20.0.0 · CT1 — the group that writes what your phone says
The whole document
1340 clauses in the order they appear. The bar shows how much text each part holds. Open one to see what is inside it and which chapter teaches it.
3 Definitions and abbreviations 7,398 words · 2 of 3 clauses taught
4 General 69,642 words · 1 of 136 clauses taught
- 4.1 Overview 2. What the group produces, and what one of its documents looks like
- 4.2 Coordination between the protocols for 5GS mobility management and 5GS session management
- 4.2A Control of UE access technology utilization by 5GS
- 4.3 UE domain selection
- 4.4 NAS security
- 4.5 Unified access control
- 4.6 Network slicing
- 4.7 NAS over non-3GPP access
- 4.8 Interworking with E-UTRAN connected to EPC
- 4.9 Disabling and re-enabling of UE's N1 mode capability
- 4.10 Interworking with ePDG connected to EPC
- 4.11 UE configuration parameter updates
- 4.12 Access traffic steering, switching and splitting (ATSSS)
- 4.13 Support of NAS signalling using wireline access network
- 4.14 Non-public network (NPN)
- 4.15 Time synchronization and time sensitive communication
- 4.16 UE radio capability signalling optimisation
- 4.17 5GS mobility management in NB-N1 mode
- 4.18 5GS session management in NB-N1 mode
- 4.19 5GS mobility management in WB-N1 mode for IoT
- 4.20 5GS session management in WB-N1 mode for IoT
- 4.21 Authentication and key management for applications (AKMA)
- 4.22 Uncrewed aerial vehicle identification, authentication, authorization and operational restrictions
- 4.23 NAS over Non-Terrestrial Network
- 4.24 Minimization of service interruption
- 4.25 Support of MUSIM features
- 4.26 Support for Personal IoT Network service
- 4.27 Mobile base station relay support
- 4.28 NAS-specific aspects of mobile gNB with wireless access backhauling (MWAB)
- 4.29 Support of indirect network sharing
- 4.30 QoS differentiation of traffic for non-3GPP device identifier
5 Elementary procedures for 5GS mobility management 258,044 words · 1 of 236 clauses taught
6 Elementary procedures for 5GS session management 126,272 words · 0 of 137 clauses taught
7 Handling of unknown, unforeseen, and erroneous protocol data 2,905 words · 1 of 28 clauses taught
- 7.1 General 2. What the group produces, and what one of its documents looks like
- 7.2 Message too short or too long
- 7.3 Unknown or unforeseen procedure transaction identity or PDU Session identity
- 7.4 Unknown or unforeseen message type
- 7.5 Non-semantical mandatory information element errors
- 7.6 Unknown and unforeseen IEs in the non-imperative message part
- 7.7 Non-imperative message part errors
- 7.8 Messages with semantically incorrect contents
8 Message functional definitions and contents 21,782 words · 2 of 505 clauses taught
9 General message format and information elements coding 76,529 words · 1 of 215 clauses taught
- 9.1 Overview
- 9.2 Extended protocol discriminator
- 9.3 Security header type
- 9.4 PDU session identity
- 9.5 Spare half octet
- 9.6 Procedure transaction identity
- 9.7 Message type
- 9.8 Message authentication code
- 9.9 Plain 5GS NAS message
- 9.10 Sequence number
- 9.11 Other information elements
- 9.12 3GPP specific coding information defined within present document