| 摘要 |
The voice recognition apparatus is designed to call the other subscriber by talking the subscriber's name. A CPU controls call switching and handles the whole sections of the key phone system to give all sorts of services to the subscribers. A memory unit stores the basic and initial service data for the CPU program and the processed data of the CPU. A switching circuit switches all kinds of tone and voice data under the control of the CPU. A line interconnections circuit forms the public line calling loop to interface the line and the switching circuit by seizing the line under the control of CPU, while general telephone interconnection circuit provides the calling power as well as interfaces the general telephone interconnection circuit and the switching circuit. A multi-buttons telephone circuit receives and transmits all sorts of data, selects extensions and public lines, and supplies the necessary power to the telephone units.
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