Patent ID: 9516620
Filing Date: 2016-12-06
CPC Classification: H04L,H04W

Claim Text:
1. A method for binding a user's Internet Protocol Multimedia Subsystem (IMS) public identity to a mobile device that is shared among a plurality of users, the method comprising: receiving, by an infrastructure element from a mobile device, a message comprising a shared service authorization access token that is associated with a shared service, wherein the shared service authorization access token comprises an identifier of a user of the mobile device and wherein the message further comprises a default public identity of the mobile device; based on the identifier of the user and the default public identity of the mobile device, determining that the user is authorized to use the mobile device for the shared service; in response to determining that the user is authorized to use the mobile device for the shared service, obtaining a public identity of the user; mapping the public identity of the user to the mobile device to bind a private identity and a public identity of the mobile device and public identity of the user; instructing a user subscription database to update the user's service subscription information; and registering the mobile device with an IMS using the public identity of the mobile device and the public identity of the user.