Patent ID: 8081743

Claim:
A server apparatus which receives a call information event containing telephone IDs specifying a first telephone terminal and second telephone terminal to be call-connected, and makes communication connections of a first data terminal and a second data terminal work together with the call connections, the first and second data terminals being associated with the telephone IDs of the first and second telephone terminals, respectively, and the first and second data terminals being assigned user IDs, the server apparatus comprising: a memory which stores a control table respectively showing correspondence relations between user ID of the first data terminal and listener information indicating that the first data terminal is in operation in a pseudo manner, when the first data terminal contained in the call information event is out of operation; and a controller which refers the control table based on the user ID of the first data terminal, when the first data terminal which is out of operation is started, and establishes a communication connection between the first data terminal and the second data terminal based on a reference result.