Architecture that facilitates the validation and authentication of the physical location of the dual-mode handset in a VoWLAN solution (e.g., UMA (Unlicensed Mobile Access)) system and a cellular wireless service, thereby restricting the handset from gaining access from unauthorized locations. Thus, access to dual-mode service (e.g., UMA), for example, at a particular location (e.g., in a subscriber's home, or in a hot spot that is controlled by carrier) can now be managed to allow or deny service at a certain location. Another aspect of the invention is the capability to perform location-based billing. For example, if the subscriber is at home, the call may be free. Alternatively, if the subscriber is at a remote location (e.g., a retail establishment), it is now possible to charge for that connection at a different fee. Additionally, a location can now be assigned; for example, to assign a location for E911 compliance.
6,853,851 Dual mode terminal for accessing a cellular network directly or via a wireless intranet
2002/0126,701 System and methods for using an application layer control protocol transporting spatial location information pertaining to devices connected to wired and wireless internet protocol networks
2006/0094,431 Method, system and mobile station for handing off communications from a cellular radio access network to an unlicensed mobile access network
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