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System for providing analog and digital telephone functions using a single telephone line

  • US 20020168057A1
  • Filed: 07/01/2002
  • Published: 11/14/2002
  • Est. Priority Date: 01/12/2000
  • Status: Active Grant
First Claim
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1. A communication apparatus, comprising:

  • a telephone line interface to connect the apparatus to a telephone line;

    an analog section, comprising;

    a first signal processor coupled to the telephone line interface and adapted for processing digitized signals having frequencies in the audio spectrum; and

    a first message storage coupled to the first signal processor;

    a digital section having a second processor coupled to the telephone line interface, the second processor comprising a modem adapted for communicating at frequencies substantially above the audio spectrum; and

    a computer interface to connect the apparatus to a computer, the computer interface coupled to the analog section and coupled to the digital section.

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