Change Notification with No Change in ULI
This section describes the change notification request and the response call flow with no change in ULI.

|
Step |
Description |
|---|---|
|
1 |
The MME sends a Change Notification Request to SGW. |
|
2 |
The SGW sends a Change Notification Request to SMF. |
|
3 |
The SMF sends a Change Notification Response to SGW. |
|
4 |
The SGW sends a Change Notification Response to MME. |