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Domestic to international collect call blocking

  • US 8,442,193 B2
  • Filed: 02/12/2010
  • Issued: 05/14/2013
  • Est. Priority Date: 05/17/2001
  • Status: Expired due to Term
First Claim
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1. A method executed by one or more processors, comprising:

  • retrieving data from a database in response to a collect call originating from a domestic origin point and terminating at an international terminating point, wherein the database stores a plurality of country code records, each country code record having at least a blocked call field indicating terminating exchange information associated with the country code to which collect calls are blocked;

    determining terminating exchange information for the collect call; and

    initiating blocking of the collect call when the termination exchange information for the collect call is specified in the blocked call field of the country code record corresponding to the international terminating point of the collect call, whereinthe blocked call field of each country code has no set digit size, andinitiating blocking of the collect call includes determining first whether the blocked call field of a country code record corresponding the terminating exchange information has any terminating exchange information.

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