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External incoming call switching method in automatic answering telephone subscribed in incoming call switching service
External incoming call switching method in automatic answering telephone subscribed in incoming call switching service
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机译:拨入来电交换业务的自动应答电话中的外部来电切换方法
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摘要
A method for offering an incoming call switching service automatically in an automatic telephone answering system by remotely registering a telephone number of a desired destination using a remote telephone system. Therefore, the telephone number of the desired destination need not be registered directly. Moreover, since the incoming call is switched only during a predetermined time period, the telephone system can be used outside of the incoming call switching service conveniently even when the user forgets to set the incoming call switching function.
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