| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To prevent distribution of attribute information in determining whether attribute information of a user (e.g., age, address, etc.) satisfies a service providing condition or not in establishment of a communication session over a plurality of session management servers. <P>SOLUTION: In the communication session establishment system, a session management server 30<SB>1</SB>manages attribute information of a user who uses a client logged in a session management server or attribute information of a service operated in the client, a condition (SEP) for establishing a communication session are shared by a plurality of session management servers which participate in session establishment processing, and the session management server which manages the attribute information performs access determination for determining whether to establish the communication session or not by comparing the attribute information with SEP. <P>COPYRIGHT: (C)2007,JPO&INPIT</p> |
