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Method for NPA split processing on a service control point

  • US 7,139,385 B2
  • Filed: 01/18/2002
  • Issued: 11/21/2006
  • Est. Priority Date: 01/18/2002
  • Status: Expired due to Fees
First Claim
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1. A method for numbering plan area (NPA) split processing on a service control point, the method comprising:

  • (a) providing first and second call processing records associated with a telephone number undergoing an NPA split, wherein the first call processing record is identified by a telephone number comprising an old NPA and wherein the second call processing record is identified by a telephone number comprising a new NPA;

    (b) sending a query to a service control point during a permissive dialing period, wherein the query comprises the telephone number comprising the old NPA;

    (c) determining whether the first call processing record identifies a service that is NPA sensitive; and

    (d) if the first call processing record identifies a service that is NPA sensitive, using the second call processing record instead of the first call processing record.

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