Communication network system in which an unregistered terminal being used by a party can be located for starting a session

摘要

An object of the present invention is to offer a communication network system in which it is possible to connect a logical channel for performing information exchange or information communication between terminals connected to the communication network without inputting an address of a terminal to communicate with. In the communication network according to the present invention in which a logical channel is connected between desired terminals connected to the communication network to perform information exchange or information communication between the desired terminals, a connection controller for a network and communication is provided which specifies a terminal which can be used by a person to communicate with through the communication network by inputting information excluding the address of the terminal to which a connection request is issued to connect the logical channel to the specified terminal.