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Class-of-service automatic routing

  • US 5,956,396 A
  • Filed: 05/06/1997
  • Issued: 09/21/1999
  • Est. Priority Date: 05/06/1997
  • Status: Expired due to Term
First Claim
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1. A method for routing incoming featured and non-featured calls within a telecommunications network including at least one local switching system that receives said featured and non-featured incoming calls, and a plurality of toll switching systems interconnected by routing trunks, with at least one toll switching system associated with the local switching system for processing calls to perform call routing within the network, comprising the steps of:

  • deriving at the local switching system a set of Class of Service (COS) parameters associated with an incoming call,determining from the derived COS parameters whether said incoming call is featured or non-featured;

    routing featured calls from the local switching system to said one toll switching system associated with the local switching system so that said one toll switching system processes featured calls and routes said featured calls their destination; and

    establishing at said local switching system, call routing for said non-featured calls in accordance with the COS parameters; and

    routing, from said local switching system, said non-featured calls to their intended destination.

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