A cordless telephone system comprises a base unit which cam accept information services for stationary telephone sets, and which can transmit and receive various signals by way of networks, and a wireless handset which wirelessly communicates with the base unit in two-ways, wherein the wireless handset can accept information services for stationary telephone sets in pair with the unit. With this arrangement, information obtained from the information services for stationary telephone sets can be seen even at a position remote from the base unit.