Periodic Registration with Authentication Call Flow

This section describes the Periodic Registration with Authentication call flow.

Periodic Registration with Authentication Call Flow
Periodic Registration with Authentication Call Flow Description

Step

Description

1

Periodic Registration with Authentication

UE registered with the network and it’s in CONNECTED mode.

2

The AMF sends the Context Release Command to the gNB.

3

The AMF receives the Context Release Complete from the gNB.

4

When the UE moves to IDLE state, a periodic timer started and the UE sends the Periodic Registration Request to the AMF.

5

Authentication data exchanged between the AMF and the AUSF.

6

The AMF sends the Authentication Request to the UE.

7

The AMF receives the Authentication Response from the UE.

8

The AMF sends the Security Mode Command to the UE.

9

The AMF receives the Security Mode Complete Command from the UE.

10

The AMF sends the Registration Accept to the AMF.