| 摘要 |
In a trunking communication system that is equipped to utilize the control channel as both a voice and control channel, a communication unit can transmit control data to the communication resource allocator in the following manner. Once a voice channel is selected as a voice/control channel, a communication resource allocator transmits the selection to the plurality of communication units. Thus, when the control channel is functioning as a voice channel, the communication unit can transmit a control request to the communication resource allocator via the voice/control channel.
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