Patent ID: 9515982
Filing Date: 2016-12-06
CPC Classification: H04L,H04M,H04W

Claim Text:
1. A method, comprising: registering a user equipment (UE) in a roaming wireless network, wherein the roaming wireless network is a packet-based network and the UE has a roaming status in the roaming wireless network; creating an internet protocol (IP) interface in the UE to communicate via the roaming wireless network to a packet data network and receive an IP address; and setting the IP interface in an inactive state, the inactive state precluding background applications in the UE from communicating with the packet data network while the inactive state maintains connectivity by the UE to the packet data network, wherein the background applications exclude voice and text-message applications, and wherein the IP interface maintains IP continuity via the roaming wireless network to the packet data network during the inactive state.