Patent ID: 8649799

Claim:
A method of managing location information of an Unlicensed Mobile Access (UMA) terminal in a Global System for Mobile Communications (GSM) network, the method comprising: at a Generic Access Network Controller, receiving an Internet Protocol (IP) address of the UMA terminal through a secure IP tunnel that connects the Generic Access Network Controller to the terminal through a Digital Subscriber Line (DSL) wireless local area network (WLAN) connection, wherein the IP address is received after the UMA terminal has used the WLAN connection to gain IP connectivity for the purpose of attaching to a communications service node in the GSM network; sending a query from the Generic Access Network Controller to a Connectivity Session Location and Repository Function having stored location information for the WLAN connection, the query including the IP address of the UMA terminal; in response to the query, receiving the location information from the Connectivity Session Location and Repository Function, wherein the location information comprises an E.164 telephone number of the Digital Subscriber; and transmitting the location information from the Generic Access Network Controller to the communications service node in one of: a response to a request for location information received from the communications service node; and an enhanced GSM Attach message.