SOR After the UE Registration Call Flow
This section describes the SOR after the UE Registration call flow.

Step |
Description |
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1 |
UDM notifies the changes of the user profile using Nudm_SDM_Notification service operation to the affected AMF. The following are the substeps:
|
2 |
The AMF sends DL NAS TRANSPORT to the served UE. The AMF includes the SOR information as received from the UDM in DL NAS TRANSPORT. |
3 |
The SOR security check procedure takes place at UE. |
4 |
UE sends UL NAS TRANSPORT to the serving AMF with an SOR:
|
5 |
If UL NAS TRANSPORT with an SOR transparent container is received, the AMF uses the Nudm_SDM_Info service operation to forward the received SOR to the UDM. If the HPLMN decides the following:
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