Handling of Flow Failures from Source in EPS to 5GS Handover
The following call flow depicts the handling of flow failure from source RAN in EPS to the 5GS handover.

Step |
Description |
---|---|
1 |
The AMF sends a POST request for Sm Context Create Service, with the following additional information:
|
2 |
If the corresponding PDU session is detected based on the EPS bearer contexts and the handover of the PDN connection to 5GS network is possible, then the SMF returns a 201 Created response including the following information:
The POST response includes the Location header and the URI of the created SM context resource. The AMF stores the association of the PDU Session ID and the SMF ID, and the allocated EBIs associated to the PDU Session ID. |