Patent ID: 11937201
Assignee: T-MOBILE USA, INC.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 9:
10. A computer-implemented method for deregistering a user equipment (UE) comprising:
identifying the UE as registered with a first mobile domain;
monitoring the UE as the UE transitions from the first mobile domain to a second mobile domain, wherein the first mobile domain is different from the second mobile domain;
storing UE data associated with the UE, wherein the UE data comprises at least one of the following: customer profile information, customer authentication information, and encryption keys for the information;
managing, by a connection controller, all connection and session related information of the UE;
upon detecting the UE is transitioned from the first mobile domain to the second mobile domain, transmitting a data packet to the connection controller to deregister the UE, the data packet specifying a reason for deregistering the UE;
identifying an indicia from the connection controller in response to sending the data packet specifying the reason, the indicia including a lack of a confirmation of the UE deregistering from the first mobile domain; and
in response to the identifying the indicia, deregistering the UE.