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Signaling protocol for a noisy communications channel

  • US 5,550,848 A
  • Filed: 05/13/1994
  • Issued: 08/27/1996
  • Est. Priority Date: 05/13/1994
  • Status: Expired due to Term
First Claim
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1. Apparatus to control the exchange of signaling messages between first and second data terminals, individual ones of the signaling messages requiring a response from the receiving terminal, said apparatus comprisingat the first data terminal, means, responsive to the input of a signaling message requiring a response message, for repeatedly transmitting the signaling message and repeating such transmission until said response message is received from a second receiving terminal,at the second data terminal, means, responsive to receipt of the signaling message, for repeatedly transmitting the response message until a confirmation message is received from the first data terminal, andat the first data terminal, means for transmitting said confirmation message responsive to receipt of each response message.

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