| 摘要 |
In a number assignment module setting system for a portable telephone set, a portable telephone set inputs number assignment module in a number assignment module setting mode. A number assignment module setting adapter is connected to the telephone set to set the telephone set in the number assignment module setting mode. In the portable telephone set, a detecting section detects connection of the adapter. A first data supply section supplies first data to the adapter in response to a predetermined first key input when connection of the adapter is detected. An analyzing section receives second data formed by the adapter on the basis of the first data, and performs analysis to check whether the first data can be calculated back from the second data. A mode setting section sets the number assignment module setting mode in response to a predetermined second key input when an output from the analyzing section indicates that the first data can be calculated back from the second data. In the number assignment module setting adapter, a second data supply section forms the second data from the first data received from the telephone set by a predetermined calculation method, and supplies it to the telephone set.
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