Patent ID: 8037170

Claim:
An integrated session management server including a packet operating unit connected to a plurality of application servers through a network, the plurality of application servers being connected to a plurality of terminals through the network; wherein said integrated session management server further includes: a memory; and a CPU; wherein said packet operation unit receives one integrated session ID, a plurality of terminal IDs corresponding to said integrated session ID, and a plurality of application IDs corresponding to said integrated session ID from one terminal of said plurality of terminals, said plurality of terminal IDs identifying corresponding terminals of said plurality of terminals; wherein said packet operating unit can send an instruction for starting communication with said terminals corresponding to said plurality of terminals IDs, said integrated session ID, and said plurality of terminal IDs to said plurality of application servers corresponding to said plurality of application IDs, and send said integrated session ID to said terminals corresponding to said plurality of terminal IDs other than said one terminal; wherein said memory can retain information denoting the start or end of communication between said plurality of application servers and said plurality of terminals; wherein the packet operating unit can be connected to a new application server in addition to said plurality of application servers; and wherein said memory can further retain an address of said new application server used on said network and information denoting a start or end of communication between said new application server and each of said plurality of terminals.