NPLI in Rx STA Call Flow

This section describes the following call flow.

NPLI in Rx STA Call Flow
NPLI in Rx STA Call Flow Description

Step

Description

1

The SMF sends a SMPolicyControl_Ceate request to the PCF.

2

The PCF responds with the SMPolicyControl_Create response to the SMF.

3

The AF sends an Authenticate-Authorize-Request message to the PCF.

The message contains Required-Access-Info AVP requesting the access network information required for the AF session.

4

The PCF responds with an AA-Answer message to the AF.

5

If the NetLoc feature is enabled, the PCF sends the SMPolicyControl_UpdateNotify request to the SMF.

6

The SMF responds with the SMPolicyControl_UpdateNotify message to the PCF. This message contains the access network information.

7

The SMF sends the SMPolicyControl_Delete request to the PCF.

8

The PCF responds to the SMF with the SMPolicyControl_Delete message.

9

The PCF sends the Abort-Session-Request message to the AF.

10

The AF responds with the Abort-Session-Answer to the PCF.

11

The AF sends the Session-Termination-Request to the PCF.

12

The PCF responds with the Session-Termination-Answer message to the AF. This message contains the user location information.