Idle Mode Registration to AMF from MME Call Flow
This section describes the Idle Mode Registration to AMF from MME call flow.

Step |
Description |
---|---|
1 |
The UE sends a Registration Request with a GUTI assigned by an MME. |
2 |
The AMF analyzes the GUTI, identifies an MME and sends a context request. |
3 |
The MME responds with a ContextResponse. |
4 |
The AMF sends a ContextAcknowledge to the MME. |
Step 5 to Step 18 are same as mentioned in the call flow for Registration with AMF Change.