CONTROL ROLE ALLOCATION METHOD, CONTROL ROLE REQUEST METHOD, CONTROL ROLE ALLOCATION APPARATUS, AND CONTROL ROLE REQUEST APPARATUS

摘要

PURPOSE: A control role allocation method, control role request method, control role allocation apparatus, and control role request apparatus are provided to allocate a control role to an additional communication terminal by transmitting a message to a communication server.;CONSTITUTION: A control terminal receives a message which allocates a control role in a collaboration communication session regardless of a media request about the collaboration communication session(510, 520). The control role about the collaboration communication session is allocated to the control terminal including the message(530). The control role about common communication session is allocated to one or more control terminals.;COPYRIGHT KIPO 2012