Patent ID: 11889568
Assignee: VERIZON PATENT AND LICENSING INC.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. A method comprising:
detecting, by a computer device, that an Internet Protocol Security (IPsec) tunnel from a user equipment (UE) device connected via a WiFi connection has become idle;
instructing, by the computer device, the UE device to tear down the IPsec tunnel, in response to detecting that the IPsec tunnel has become idle;
receiving, by the computer device, a mobile terminating call for the UE device;
paging, by the computer device, the UE device via a base station to reestablish the IPsec tunnel via the WiFi connection, in response to receiving the mobile terminating call for the UE device, wherein the paging is performed using information from a location update received from the UE device via the IPsec tunnel; and
forwarding, by the computer device, the received mobile terminating call to the UE device via the reestablished IPsec tunnel.