In Mobile environment, the technology which offers the agurigeshiyon management system and the like which being quick, can manage agurigeshiyon efficiently was disclosed, according to that technology the aggregate node added Mobile status information to signaling message of the ended two ended signaling session which is received from portable terminal 101 - 105, that ahead moving anew the aggregate directing to the deagurigeto 117 node in the session which is done transmitted, received the signaling message where Mobile status information is added, ahead moving anew the relay node 131 which becomes the deagurigetonodo or crossover node in the session which the aggregate is done - 135, being based on Mobile status information,The aggregate before the moving the aggregate node the session which is done is released, or message in order to release that session is transmitted to deagurigetonodo 113 before the moving.
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