| 摘要 |
PURPOSE:To monitor the charging of a mobile station exchanger, by providing a call meter for communication charge corresponding to a public telephone set on an operation panel and registrating the call meter according to the local charging signal. CONSTITUTION:Call meters MA and MB are provided on an operation panel TELC corresponding to public telephone sets TELA and TELB. The registration signal according to the charging signal is transmitted to the call meters MA and MB through a reception circuit RC. Thus, the registration is made according to the local charging signal to the TELA and TELB, and when the coin receipt operation is sure, the number of received coins and the number of registration of the MA and MB are coincident and the charging state is monitored surely. |
