Patent ID: 8676889
Filing Date: 2014-03-18
Classification: H04L,H04M,H04N

Abstract:
1. A connection device which establishes a connection among at least three terminals for a multipoint conference in which media data is directly transmitted without passing through a server and received among the at least three terminals, said connection device comprising: an information obtaining unit configured to obtain media information related to the transmission and the reception of the media data to and from each of the at least three terminals; a first message transmitting unit configured to determine whether or not the media information of the each of the at least three terminals is obtained by the information obtaining unit, and to transmit, to any terminal whose media information is obtained, a first message for preventing the any terminal whose media information is obtained from starting a transmission of the media data, without passing through the server, to a terminal whose media information is not obtained, when the at least three terminals include the terminal whose media information is not obtained and the terminal whose media information is obtained, the media information being obtained by said information obtaining unit; and a second message transmitting unit configured to determine whether or not media information for a terminal whose media information is not obtained is newly obtained by the information obtaining unit, and to transmit a second message (i) including the media information of the terminal whose media information is newly obtained and (ii) for causing the any terminal whose media information is obtained to start transmitting the media data, without passing through the server, to the terminal whose media information is newly obtained, when the media information of the terminal whose media information is not obtained is newly obtained by said information obtaining unit after the first message is transmitted by said first message transmitting unit.