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Method for call routing in a network

  • US 4,885,780 A
  • Filed: 07/15/1988
  • Issued: 12/05/1989
  • Est. Priority Date: 07/15/1988
  • Status: Expired due to Term
First Claim
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1. A method of setting up a call route between an originating node and a destination node in a network comprising a plurality of nodes, said method comprising:

  • receiving a request for said call at said originating node,determining if a preferred route between said originating node and said destination node is immediately available,if said preferred route for said call is available, seizing said preferred route for said call,if said preferred route is unavailable, queuing said call for up to a predetermined queuing time,if said preferred route becomes available for said call within said queuing time, seizing said preferred route for said call, andif said preferred route does not become available within said queuing time, searching for an alternate, non-preferred route for said call.wherein said preferred route is a direct route between said originating and destination nodes and said alternate non-preferred route is a non-direct, multi-hop route.

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