Patent ID: 8126461

Claim:
A method of provisioning communication services in a network system, comprising: managing a state of each of a plurality of radio access networks; maintaining an indication of available services of each of the plurality of radio access networks; engaging a primary access network of the plurality of radio access networks in an active state with a user equipment, wherein an application servicing the user equipment is active on the primary access network; registering the user equipment with a secondary access network of the plurality of access networks in a non-active state, the registering comprising: attaching the user equipment with the secondary access network; activating a packet data protocol context with the secondary access network; registering the user equipment with an Internet Protocol Multimedia Subsystem on the secondary radio access network; and informing the Internet Protocol Multimedia Subsystem that no services are requested on the secondary radio access network, wherein the network system is adapted to perform handover from the primary access network to the secondary access network based on registration of the user equipment with the secondary access network.