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Telemetry feature protocol expansion

  • US 5,394,461 A
  • Filed: 05/11/1993
  • Issued: 02/28/1995
  • Est. Priority Date: 05/11/1993
  • Status: Expired due to Term
First Claim
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1. A control method for use by a telephone switching system, said system being in an arrangement where an accessing device is connected by at least one trunk (UTT) to a switching network internal to said switching system, and where said network is connected via customer lines to a plurality of destinations, said method comprisingsaid switching system receiving trunk signaling including a function identifier from said data accessing device on said at least one trunk, said function identifier comprises:

  • customer premises equipment (CPE) alert codes, switch function codes, and control data,in response to said received signaling, said switching system implements control activities including controlling connections between said accessing device and at least one of said destinations via said network and in accordance with said function identifier.

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