Patent ID: 9148903
Filing Date: 2015-09-29
Classification: H04L,H04W

Abstract:
1. A method in a network, the method comprising: determining by the network that a first mobile station internet protocol multimedia service (IMS) connection is in an inactive state if no registration binding is associated with said first mobile station IMS connection; determining by the network whether any active sessions remain associated with said first mobile station IMS connection if said first mobile station IMS connection is in said inactive state; setting a timer for said first mobile station IMS connection if any active sessions remain; maintaining by said network said first mobile station IMS connection in said inactive state; moving by said network one or more active sessions associated with said mobile station IMS connection to a separate mobile station IMS connection in an active state; and terminating by said network said first mobile station IMS connection if no active sessions remain or if said timer expires.