This invention is a gateway apparatus arranged between a circuit switched
network and the Internet. The gateway apparatus comprises a prior
connection section setting a channel on the Internet according to the call
setting request received from the circuit switched network before the call
setting request is received from the circuit switched network, and a call
setting section setting a connection corresponding to the call setting
request on the Internet by using the channel set by the prior connection
section when the call setting request is received from the circuit
switched network.
