Reverse automatic number identification system
作者： Mark S. Bredesen , Scott R. Grabinger , Robert C. Quade , Raymond L. Hauck , John T. Pugaczewski
DOI:
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摘要: A reverse number identification system is described which allows the called party in a telephone link to identify directory of calling party. This includes first component located at customer's premises display for party's number. second equipment connected line central office transmits upon request component. Each subscriber's has microprocessor controlled transceiver placed between incoming and switching equipment. designed receive In operation, dials responds by answering. The signals means send response this request, receives displays it
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