NAS Congestion Control Call Flow
This section describes the NAS Congestion Control call flow.

Step |
Description |
---|---|
1 |
UE sends the Registration Request, Service Request, and Uplink NAS Transaction Request to AMF. When the NAS congestion configuration is enabled, the AMF accepts the following:
|
2 |
Depending on AMF's overload capacity, it may reject the following requests:
|