Apparatus and method of session information management in mobile communication service providing system

The present invention is a mobile communication service provider that relates to the session information management method and apparatus of the system, the mobile communication service provider or when in the system the PPP session is set up between the mobile station and the PDSN is the mobile station or the PDSN in the transition state to the idle state a predetermined time has elapsed , rather than transitioning to the inactive state, to confirm the established PPP session information, when the same PPP session information, by maintaining a suspension state, and to maximize the radio resource and the use of a wired resource efficiency of a mobile communications service providing system requests the subscriber's the start time of the mobile communication services provided in accordance with to minimize the.