Session management apparatus, communication system, and session clear-out method

摘要

Session management means (21) holds session information concerning sessions for fixed terminals and sessions for mobile terminals including type information indicating a terminal type and status information indicating the status of communication. Session clear-out means (22) disconnects a session the type information for which indicates a mobile terminal and in which communication has not been performed for a time period longer than or equal to a first monitoring time period, on the basis of the session information held in the session management means.