Non-UE Message Notification Call Flow
This section describes Non-UE Message Notification call flow.

Step |
Description |
---|---|
1 |
The gNB sends a Write Replace Warning Response or PWS Cancel Response to NGAP-EP. |
2 |
The NGAP-EP generates a callback with n2InfoClass set to PWS-BCAL with the following conditions.
|
3 |
If the gNB sends a PWS Restart Indicator or a PWS Failure Indication, it reaches the NGAP-EP. |
4 |
If there’s a subscription for notification of the PWS events, the NGAP-EP generates a callback with n2InfoClass set to PWS-RF. |
5 |
The AMF service forwards the onN2InfoNotifyRequest to REST-EP. |
6 |
The REST-EP sends the message to the peer node. |
7 |
The peer node responds with a 204 OK. |
8 |
The REST-EP forwards the onN2InfoNotifyResponse to the AMF. |