| 摘要 |
PURPOSE: A method of storing and displaying the transmission data in ISDN telephone is provided to improve an inefficient function by selectively storing and displaying the transmission data. CONSTITUTION: A call with a random telephone or a random ISDN telephone is requested, the telephone number of the corresponding originating subscriber or terminating subscriber is stored. The call is connected to the subscriber having the subscriber's number stored. If data is in the state that the call is connected, the data transmitted is displayed through a display means in the ISDN telephone. As the display data storing request command is applied, if the corresponding telephone number is input, the data corresponding to the number key input is stored. If hook-on state is generated, the call connection is cut off. If the display request command with respect to the random data stored is applied in the state of the call cut off, the random data is read out to be displayed.
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