Patent ID: 8194633

Claim:
A method for transmitting data in a Wireless Local Area Network (WLAN), comprising: transmitting a WLAN message between a terminal device and an access node of the WLAN network in the Layer 2 protocol layer; and wherein a Extensible Authentication Protocol (EAP) message is transmitted in the WLAN message, the EAP message comprises a Session Initiation Protocol (SIP) message having SIP authentication data; and wherein the WLAN message comprises a message concerning a data connection of the terminal device via the access node to at least one network that is connectable to the WLAN network; and evaluating the message concerning the data connection of the terminal device; determining whether the data connection is possible; and determining which data connection of the terminal device via the access node will be used for a data transmission to the at least one network that is connectable to the WLAN network.