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Apparatus and method for simultaneous multiple telephone type services on a single telephone line

DC
  • US 6,580,785 B2
  • Filed: 02/27/1998
  • Issued: 06/17/2003
  • Est. Priority Date: 02/28/1997
  • Status: Expired due to Term
First Claim
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1. A data communications apparatus for enabling a plurality of telephone-type services to be provided to a plurality of telephone-type devices connected to a single subscriber line, said apparatus comprising:

  • circuitry connectable to at least one of said plurality of telephone-type devices wherein said circuitry enables said device to operate using a frequency band higher than a POTS frequency band on the single subscriber line; and

    interface circuitry attachable to said single subscriber line to enable said at least one of said plurality of telephone-type devices using said frequency band higher than said POTS frequency band to simultaneously share said single subscriber line with another one of said plurality of telephone-type devices that uses the POTS frequency band, wherein each of said plurality of telephone-type services is identified by a unique telephone-type number.

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