| 摘要 |
PURPOSE:To prevent the trouble on the payment of charge by limiting the dial number to be originated only to the telephone number for business. CONSTITUTION:The titled device is composed of an antenna 21, moving body 22, receiving station limiting device 23, and a car telephone set 24. The device 23 is provided with function to generate a limited receiving station dial signal string corresponding to the dial button of the telephone set 24 to limit the dial number to be originated only to the one for business. |
