Patent ID: 9325794
Filing Date: 2016-04-26
CPC Classification: H04L

Claim Text:
1. A method for providing IP Multimedia Subsystem (IMS) session continuity to a mobile device across a plurality of communication networks, the method comprising: registering, by the mobile device, a public user identity with a first communication network using a first address and a private user identity; receiving, by the mobile device, first data from a remote data source over the first communication network using the public user identity; generating, by the mobile device, a complimentary private user identity associated with the public user identity; registering, by the mobile device, the public user identity with a second communication network using a second address and the complimentary private user identity; registering, by the mobile device, the public user identity with the first communication network using the second address and the complimentary private user identity; and receiving, by the mobile device, second data from the remote data source over the second communication network using the public user identity subsequent to the public user identity being de-registered with the first communication network.