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System and computer program for routing a dedicated number through alternate telephone carriers

  • US 6,526,136 B2
  • Filed: 08/07/2001
  • Issued: 02/25/2003
  • Est. Priority Date: 07/30/1997
  • Status: Expired due to Term
First Claim
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1. A system for improving the probability that a call based on a dialed dedicated number will be routed through a node to one of a plurality of interexchange carriers, said node having a predetermined sequence of preferred carriers assigned thereto, comprising:

  • a system for recognizing said dedicated number;

    a system for assigning primary, alternate and secondary interexchange carriers responsive to said system for recognizing; and

    a system for sequentially routing said dedicated number from said node to said interexchange carrier corresponding to said primary, alternate, and secondary carriers until a connection is established.

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