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SYSTEM AND METHOD FOR PROVIDING POTS SERVICES IN DSL ENVIRONMENT IN EVENT OF FAILURES
SYSTEM AND METHOD FOR PROVIDING POTS SERVICES IN DSL ENVIRONMENT IN EVENT OF FAILURES
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机译:发生故障时在DSL环境中提供POTS服务的系统和方法
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摘要
A system and method are presented for providing a telephone service. An analog signal is received from a telephone and the analog signal is converted into a digital signal in the first format. A modem is provided for receiving the digital signal in the first format. A digitizer is also provided for receiving the analog signal from the telephone, The system, in a first mode of operation, couples the digital signal in the first format to the modem, and in a second mode of operation, couples the analog signal from the telephone to the digitizer. The second mode of operation may be, for example, a power failure mode of operation.
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