COMMUNICATION CONTROL METHOD AND COMPUTER SYSTEM

摘要

A communication control method of this invention includes : when a call-in request to a chat for another participant in a voice-based teleconference by a first participant of the voice-based teleconference is received, a step of transmitting the call-in request to the chat to a terminal of another participant; and when a participation response to the chat by another participant is received, a step of carrying out a presence management setting so as to enable the first participant and a participant replying the participation response to update and subscribe dialogue contents of the chat, which are managed as presence data delivered to subscribers when updated. Thus, by using the presence technique, it becomes possible that the conference is shifted from the voice-based teleconference to the character-based teleconference and both of the conferences coexist.