Inactivity Report Call Flow

This section describes the Inactivity Report call flow.

Inactivity Report Call Flow
Inactivity Report Call Flow Description

Step

Description

1

The MME sends the Create Session Request to the GTP-EP (S11).

2

The GTP-EP (S11) forwards the Create Session Request to the SGW.

3

The SGW-SVC sends the Session Idle Timer in IE = USER INACTIVITY as part of Sx Session Establishment Request to the Protocol.

4

The SGW-U reads the Session Idle Timer from USER INACTIVITY and stores it at the CLP level.

The UPF sends the Sx Session Report Request to the Protocol.

5

The Protocol sends the Sx Session Report Request to the SGW-SVC.

6

The SGW-SVC sends the Sx Session Report Response to the Protocol.

7

The Protocol sends the Sx Session Report Response to the UPF.

8

The SGW-SVC sends the Delete Session Request to the GTPC-EP.

9

The GTPC-EP sends the Delete Session Request to the PGW.

10

The SGW-SVC sends the Delete Bearer Request to the GTP-EP.

11

The GTP-EP sends the Delete Bearer Request to the MME.

12

The MME sends the Delete Bearer Response to the GTP-EP.

13

The GTP-EP sends the Delete Bearer Response to the SGW-SVC.

14

The PGW sends the Delete Session Response to the GTPC-EP.

15

The GTPC-EP sends the EGTP Delete Session Response to the SGW-SVC.

16

The SGW-SVC sends the Sx Session Deletion Request to the Protocol.

17

The Protocol sends the Sx Session Deletion Request to the UPF.

18

The UPF sends the Sx Session Deletion Response to the Protocol.

19

The Protocol sends the Sx Session Deletion Response to the SGW-SVC.