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Telecommunication system, method and subscriber unit for use therein

  • US 7,187,686 B1
  • Filed: 03/17/2000
  • Issued: 03/06/2007
  • Est. Priority Date: 11/01/1996
  • Status: Expired due to Fees
First Claim
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1. A method of placing a telephone voice call over a public switched telephone network (PSTN) comprising the steps of:

  • providing a subscriber loop in communication with the PSTN, the subscriber loop having an analog telephone voice line and a digital data line, wherein the digital data line comprises a digital telephone voice line; and

    placing a telephone voice call from a digital telephone in communication with the digital telephone voice line; and

    sending the telephone voice call on the subscriber loop to the PSTN, wherein sending the telephone voice call from the digital telephone comprises converting an analog voice signal into a packetized digital data stream, sending the packetized digital data stream over a subscriber data network to the digital telephone voice line, removing the packetized digital data stream from the subscriber loop and transmitting the packetized digital data stream to a switch in communication with the PSTN via a data network.

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