Systems and methods are provided to facilitate efficient routing of unlicensed mobile access (UMA) communications. In one implementation, a method of providing a communication link between a first mobile station and a second mobile station through a customer premises equipment (CPE) device includes intercepting...http://www.google.de/patents/US7542455?utm_source=gb-gplus-sharePatent US7542455 - Unlicensed mobile access (UMA) communications using decentralized security gateway
