: Specifies the exact action (e.g., REGISTRATION REQUEST ).
: Handles the UE's registration, connection management, and location tracking. 124501
The standard defines the binary encoding for NAS messages, which typically include: : Specifies the exact action (e
Key Procedures: Registration (Initial, Mobility, Periodic), De-registration, and Service Requests. : Specifies the exact action (e.g.
or a detailed syllabus for the Leiden course . ETSI TS 124 501 V16.5.1 (2020-08)
: Identifies the message as 5GMM or 5GSM.
Key Procedures: PDU Session Establishment, Modification, and Authentication.