Some embodiments provide a system for authorization and authentication of an unlicensed mobile access (UMA) subscriber. The system includes an UMA network controller (UNC) which is communicatively coupled to a licensed wireless communication system. The system also includes an access point (AP) that...http://www.google.com/patents/US7283822?utm_source=gb-gplus-sharePatent US7283822 - Service access control interface for an unlicensed wireless communication system
