INTERWORKING PROCEDURE WITH EXTERNAL NETWORK IN WIRELESS LAN AND MESSAGE FORMAT FOR THE SAME

摘要

PURPOSE: An interworking procedure with an external network in a wireless LAN and a message format for the same are provided to make an emergent call by using a phone number of an emergency service center. CONSTITUTION: A Non-AP(Access Point) STA(Station) transmits a request message to an AP, wherein the request message includes native query information ID and an advertisement protocol ID(S30). The advertisement protocol ID is set up as a value that indicates a native query protocol. The native query information ID is set up as a value indicating the emergency call number information. The non-AP STA receives a response message including 0 or the more emergency call numbers from the AP(S40).