| 摘要 |
PURPOSE:To provide a radio telephone system preventing the disconnection of a calling line in a radio telephone slave machine and eliminating the necessity of a recalling. CONSTITUTION:This device is provided with a communication control procedure execution parts 110 and 122 checking the data communication between a radio telephone main system 101 and a radio telephone slave machine 115, a number of times measuring part 123 measuring the number of times of error, a message transmission part 107 reserving the line of the side of the other calling party and transmitting a message to the other calling party if the number of times of error becomes more than a specified number of times continuously for a certain of time, timer control parts 111 and 125 measuring various elapsing time, a speech path switch part 103 and a display part 124. By control parts 102 and 121, a calling is controlled to be resumed if the number of times of error is below the specified number of times continuously for a certain period of time, and the calling is controlled to be transferred to other telephone set and to be continued if the calling does not become below the specified number of times continuously for a certain period of time. |
