| 摘要 |
A communication apparatus used in a digital cordless telephone system, such as a personal headphone system (PHS) having a local base station and a local mode subscriber, in which, if the local mode subscriber is set for use in the local mode, the local mode subscriber can respond to signals of the public mode. If the local base station receives incoming call signals of the public mode from a public base station, the received call signals are transferred from the local base station to the local mode subscriber. This enables the incoming call signals from the public base station to be received via the public base station by the local mode subscriber even if the latter is in the local mode. If, with the local mode subscriber set to the local mode, the local base station receives incoming call signals of the public mode from the public base station, the local base station transmits the call signals to the local mode subscriber. If the local base station receives call signals from the local mode subscriber, the call signals are transmitted by the local base station to the public base station. This enables the communication in the public mode to be had by the local mode subscriber via the local base station even if the local mode subscriber is set to the local mode.
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