Patent ID: 7408910
Filing Date: 2008-08-05
Classification: H04M,H04Q,H04W

Abstract:
1. A network comprising: at least one session initiation protocol (SIP) terminal for performing communication based on a session initiation protocol that implements connection-oriented communication in which communication is performed upon confirmation of a connection with another terminal in an internet protocol (IP) network; a private branch exchange for performing call connection processing between terminals; a database; and a wireless local area network including wherein the private branch exchange comprises at least one session-initiation-protocol protocol control module, obtained by modularizing processing of the session initiation protocol through use of a scheme of a back-to-back user agent (B2BUA) that acts as a proxy user agent and incorporated as one component; and a location-information management module, incorporated as one component, for managing the unique identifier information of which the wireless local-area-network terminal notifies, wherein the unique identifier information of the access point comprises a basic service set identifier (BSSID), and wherein the location-information management module collects the unique identifier information that comprises the BSSID, and records the unique identifier information in the database.