| 摘要 |
A communication device (e.g., 103) includes a user interface (209), a receiver (203), a controller (205), and a transmitter (201). A user of the communication device uses the user interface to place the communication device in a busy operational mode in which the communication device is not involved in a voice communication, but is nevertheless unavailable to participate in a voice communication. While in the busy mode, the communication device receives a voice communication from a calling device (e.g., 104) and automatically responds with a data message indicating that the communication device is in the busy mode, thereby informing a user of the calling device of the busy status of the called device without disrupting the user of the called device.
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