| 摘要 |
It is an object of the present invention to ensure readily communication between subgroups with reduced trouble to the user in the group communication in terms of subgroup formation and so on. A group communication server according to an embodiment of the present invention provides terminals with an intercommunication function between a plurality of terminals belonging to the same group, specifically a group communication function. The group communication server comprises a group information database for storing subgroup information that specifies terminals belonging to subgroups comprising a plurality of terminals of the terminals belonging to the group, and timing information that indicates a timing for establishing connection for intercommunication between the terminals belonging to these subgroups, and a group management unit and connection control unit which constitute control means for executing a control to establish connection between the terminals belonging to the subgroups specified by the subgroup information at a timing specified by the timing information stored in the group information database.
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