WLL SYSTEM AND RADIO PUBLIC TELEPHONE DEVICE

摘要

PROBLEM TO BE SOLVED: To provide a WLL(wireless local loop) system for performing inexpensive and correct charging and to provide a radio public telephone device. SOLUTION: The WLL system comprises a subscriber telephone device and the radio public telephone device. The radio public telephone device comprises a radio terminal by which radio communication is performed with a radio base station so as to hold a charging signal pattern such as a transmission time or a frequency intrinsic to an original charging signal which is transmitted from an exchange and to return a reply message and also by which a secondary charging signal is generated based on the charging signal pattern and transmitted to a public telephone set.