Patent ID: 9144050
Filing Date: 2015-09-22
Classification: H04W

Abstract:
1. A method of operating a Home Subscriber Server (HSS) to obtain location and/or status information for a user terminal connected to an Evolved Packet Core network, the user terminal being registered with the HSS at a first mobility management node in a first radio access technology and a second mobility management node in a second radio access technology, the method comprising: receiving a request for location and/or status information for the user terminal from an application server; sending a request for location and/or status information for the user terminal to both the first mobility management node and the second mobility management node; receiving a response from the first mobility management node and/or the second mobility management node, the responses including the requested information; and sending the requested information received from the first mobility management node and/or the second mobility management node to the application server.