| 摘要 |
A group communication method in which a communication terminal not participating in the group communication can newly participate in the group communication even while the group communication is being carried out is realized. The group communication method has a personal information management step of managing personal information, a participation request transmission step, a group communication control step, and an other party updating step, in a case where participation intention in the group communication is received from another communication terminal to which no participation request has been transmitted in a state of "party not participating" in which at least one party among the plurality of terminals of the parties sent the participation requests does not participate in the group communication, deleting the party not participating in the group communication from a member list and registering the other party of the other communication terminal in the member list as a party for engaging in the group communication to thereby allow the other communication terminal to participate in the group communication.
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