The present invention is intended to provide, for a wireless communication system originally having a calling function, a wireless communication system enabling an audio communication service or the like which requires a calling function, and to provide a wireless communication system which reduces power consumption of a wireless terminal when it is in a standby mode. A communication party, which is a calling side, a network to which the communication party is connected, and a wireless LAN base station, a pager base station, and a pager controller which are connected to the network, and a PC, which is a wireless communication terminal, constitute the present invention. The PC includes a wireless LAN card and a pager card 2. This forms the present invention.