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Call treatment in portable number networks

  • US 6,081,590 A
  • Filed: 02/02/1998
  • Issued: 06/27/2000
  • Est. Priority Date: 02/02/1998
  • Status: Expired due to Term
First Claim
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1. In a telecommunications network comprising a plurality of switches, at least one local number portability (LNP) database accessible by at least some of said switches and signaling links interconnecting entities in said network, said network selectively connecting calls to subscribers subject to any applicable call treatment, said calls being identified by a dialed number (DN), said LNP database storing location routing number (LRN) information for ported subscriber numbers, a method for selectively routing and applying said call treatment to a call being processed at a present network entity, said method comprising the steps ofreceiving at said present network entity signals identifying at least one set of one or more controlled numbers and at least one set of call treatment conditions for respective ones of said controlled numbers,when said DN is a controlled number and at least one set of call treatment conditions associated with said DN are met at said present network entity, routing said call based on said DN without accessing said local number portability database.

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