| 摘要 |
A mobile communication device comprises memory and at least one processor coupled to the memory. The at least one processor is operative: (i) to control establishment of a call with another communication device via a wireless communication channel; and (ii) to place the call in a hold state subsequent to establishment of the call. A call hold functionality for placing the call in the hold state is implemented substantially entirely within the mobile communication device, without requiring additional hold circuitry external to the device. The at least one processor may be further operative to control playing of an audio signal during at least a portion of a time the call is placed in the hold state.
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