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Computer telephony adapter and method

  • US 6,345,047 B1
  • Filed: 06/12/1998
  • Issued: 02/05/2002
  • Est. Priority Date: 06/12/1998
  • Status: Expired due to Term
First Claim
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1. Apparatus for use at a subscriber site with a subscriber telephone line connecting the subscriber site and a telephone network, for simultaneously sending a telephone call from a PSTN compatible telephone terminal on the subscriber site, and IP packets from a first computer, over the subscriber telephone line, the apparatus comprising:

  • a converter having a PSTN compatible telephone line interface for coupling to the PSTN compatible telephone terminal, the converter being for converting signals from the PSTN compatible telephone terminal into IP packets representing the telephone call; and

    a multiplexer coupled to the converter, and having a computer interface for coupling to the first computer, and a subscriber line interface for coupling to the subscriber telephone line, the multiplexer being arranged for sending simultaneously the IP packets representing the telephone call and those from the computer, along the subscriber telephone line;

    the apparatus being arranged to handle telephone calls without conversion to IP packets, between the telephone terminal and the subscriber telephone line when the subscriber telephone line is not used for carrying IP packets.

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