Group communication system, control method of group communication system, information processing apparatus, and program

摘要

PROBLEM TO BE SOLVED: To provide a group communication system capable of continuing group communication even if communication is disconnected; and to provide a method for controlling the group communication, an information processor, and a program.;SOLUTION: A first information processor authenticates other information processors trying to participate in a group, and transmits participation notification information including the identification information of other information processors to each information processor belonging to the group. A second information processor detects that communication in the first information processor is disconnected, alternatively performs authentication when the communication in the first information processor is disconnected, and transmits the participation notification information to each information processor belonging to the group when the alternatively performed authentication succeeds.;COPYRIGHT: (C)2006,JPO&NCIPI