Patent ID: 11889584
Assignee: APPLE INC.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 12:
13. The computer readable storage medium of claim 12, wherein the operations further comprise:
protecting the new routing indicator, wherein protecting the new routing indicator includes determining a UE parameter update (UPU) counter based on an AUSF key;
granting access to UE subscription information to the new UDM instance and the new AUSF instance by the old UDM instance and the old AUSF instance, wherein the AMF contacts the new UDM instance to obtain the UE subscription information or to update a location of the UE, requesting deletion of the UE subscription information on the old UDM instance and the old AUSF instance or access of UE subscription information from the old UDM instance and the old AUSF instance.