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Communication line test apparatus for a mobile radio system

  • US 6,195,415 B1
  • Filed: 07/27/1998
  • Issued: 02/27/2001
  • Est. Priority Date: 07/27/1998
  • Status: Expired due to Fees
First Claim
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1. In a telecommunication system of the type having a line carrying information between an origin and a destination and a data line between said origin and said destination, a method of testing the line to assure connection of the line between the origin and the destination, comprising the steps of:

  • establishing said data line by dialing a telephone number associated with the data line;

    transmitting data on said data line from the origin to the destination to identify initiation of a test of the line;

    periodically transmitting a first signal having predefined characteristics on said line from the origin to the destination;

    in response by said destination to receipt of said first signal, transmitting on said line by said destination a second signal having predefined characteristics; and

    receiving by said origin said second signal to thereby verify that said line can carry signals in a bidirectional manner.

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