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TS 24.501 (CT1)
Non-Access-Stratum (NAS) Protocol
for 5GS

use "3GPP‑Page" to get the Word version
use "ETSI‑search" to get the PDF version
for a better overview, the Table of Contents (ToC) is reproduced
V16.2.0 (Wzip)2019/09  611 p.
V15.5.0 (PDF)2019/09  494 p.

Rapporteur:  Mr. Herrero-Veron, Christian
See also:
TS 24.301 (NAS for EPS)

The present document specifies the non-access stratum (NAS) procedures in the 5G system (5GS) used by the protocols for:
  • Mobility Management between the UE and the AMF for both 3GPP access and non-3GPP access; and
  • Session Management between the UE and the SMF for both 3GPP access and non-3GPP access.
The 5GS Mobility Management (5GMM) protocol defined in the present document provides procedures for the control of mobility when the UE is using the NG radio access network (NG-RAN) and/or non-3GPP access network. The 5GMM protocol also provides control of security for the NAS protocols.
The 5GS Session Management (5GSM) protocol defined in the present document provides procedures for the handling of 5GS PDU session contexts. Together with the bearer control provided by the access stratum, this protocol is used for the control of user plane bearers.
For both NAS protocols the present document specifies procedures for the support of inter-system mobility between the NG-RAN and the E-UTRAN connected to the EPC and between the NG-RAN and the non-3GPP access network.

short Table of Contents for  TS 24.501  Word version:   16.2.0

each title links to the equivalent title in the full ToC

 

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1  ScopeWord-p. 22
2  ReferencesWord-p. 22
3  Definitions and abbreviationsWord-p. 25
4  GeneralWord-p. 34
5  Elementary procedures for 5GS mobility managementWord-p. 87
5.1  OverviewWord-p. 87
5.2  Behaviour of the UE in state 5GMM-DEREGISTERED and state 5GMM-REGISTEREDWord-p. 95
5.3  General on elementary 5GMM proceduresWord-p. 100
5.4  5GMM common proceduresWord-p. 131
5.4.1  Primary authentication and key agreement procedureWord-p. 131
5.4.2  Security mode control procedureWord-p. 152
5.4.3  Identification procedureWord-p. 158
5.4.4  Generic UE configuration update procedureWord-p. 160
5.4.5  NAS transport procedure(s)Word-p. 167
5.4.6  5GMM status procedureWord-p. 184
5.5  5GMM specific proceduresUpWord-p. 185
5.5.1  Registration procedureWord-p. 185
5.5.2  De-registration procedureWord-p. 239
5.5.3  eCall inactivity procedureWord-p. 251
5.6  5GMM connection management proceduresWord-p. 251
5.6.1  Service request procedureUpWord-p. 251
5.6.2  Paging procedureWord-p. 271
5.6.3  Notification procedureWord-p. 272
6  Elementary procedures for 5GS session managementWord-p. 275
6.1  OverviewWord-p. 275
6.2  General on elementary 5GSM proceduresWord-p. 289
6.3  Network-requested 5GSM proceduresWord-p. 306
6.3.1  PDU session authentication and authorization procedureWord-p. 306
6.3.2  Network-requested PDU session modification procedureWord-p. 309
6.3.3  Network-requested PDU session release procedureWord-p. 321
6.4  UE-requested 5GSM proceduresWord-p. 331
6.4.1  UE-requested PDU session establishment procedureWord-p. 331
6.4.2  UE-requested PDU session modification procedureWord-p. 358
6.4.3  UE-requested PDU session release procedureWord-p. 372
6.5  5GSM status procedureWord-p. 374
6.6  Miscellaneous proceduresWord-p. 375
7  Handling of unknown, unforeseen, and erroneous protocol dataWord-p. 376
8  Message functional definitions and contentsWord-p. 381
9  General message format and information elements codingWord-p. 432
10  List of system parametersWord-p. 532
A  Cause values for 5GS mobility managementWord-p. 543
B  Cause values for 5GS session managementWord-p. 547
C (Normative)  Storage of 5GMM informationWord-p. 551
D (Normative)  UE policy delivery serviceWord-p. 554
E (Normative)  Ethernet port management service [R16]Word-p. 571
F  Change historyWord-p. 590

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