The group conference system, the meeting server, session change control manner, it is jointed with by the call control server

摘要

Without applying load on the call control server at the time of changing the meeting server in the group conference system, change of session of each terminal unit is completed as much as possible smoothly at brief. Decides the order of demand for call control of each terminal unit regarding the joint to ahead disconnecting and session movement of the session movement origin, according to the status of information and the meeting regarding the session generation of each terminal unit, decides the timing of call control on the basis of the load status of the call control server in the call control server the meeting server 121 who is jointed with 110 which relays the demand for call control of the group conference system and multiple terminal units 130, the session movement control means 223 where and, following to order and the timing which are decided, it includes the session movement specification means 224 which transmit the demand for call control vis-a-vis the call control server.