NPLI in N5 Notify Call Flow

This section describes the NPLI in N5 Notify call flow.

NPLI in N5 Notify Call Flow
NPLI in N5 Notify Call Flow Description

Step

Description

1

The SMF sends a SMPolicyControl_Ceate request to the PCF.

2

The PCF responds to the SMPolicyControl_Create request.

3

The AF sends an PolicyAuthorization_Create request to the PCF. The request contains the access network information required for the AF session.

4

The PCF sends the PolicyAuthorization_Create response to the AF.

5

If the NetLoc feature is enabled, then the PCF sends an SMPolicyControl_UpdateNotify request toward the SMF.

6

In response to the SMPolicyControl_UpdateNotify request, the SMF sends the access network information to the PCF.

7

The PCF sends the SMPolicyControl_Update request to the SMF.

8

The SMF sends the SMPolicyControl_Update request to the PCF.

9

After the establishing the N5 session and the required access information lookup, the PCF sends the PolicyAuthorization_Notify request to the AF containing access network information report with 3GPP user location, UE Timezone and serving network PLMN ID if available

10

The AF sends the PolicyAuthorization_Notify response to the PCF.

11

If the session terminates, the SMF sends a SMPolicyControl_Delete request to the PCF.

12

The PCF responds to SMF for the SMPolicyControl_Delete request.

13

The PCF sends the PolicyAuthorization_Notify (Terminate) request to the AF.

14

The AF responds with the PolicyAuthorization_Notify response to the PCF.

15

The AF sends the PolicyAuthorization_Delete request to the PCF.

16

The PCF responds with the PolicyAuthorization_Delete response to the AF.