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Data management method and system thereof

  • US 5,568,551 A
  • Filed: 08/04/1994
  • Issued: 10/22/1996
  • Est. Priority Date: 08/06/1993
  • Status: Expired due to Fees
First Claim
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1. A data management system in a data communication system comprising a control means which, when performing data communication between a first communication means and a second communication means, establishes a signal channel before establishing a data channel and transfers control data for data management between said first communication means and said second communication means through said signal channel before using said data channel to transfer managed data.

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