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Methods for providing prepaid telephony service via an internet protocol network system

  • US 8,731,158 B2
  • Filed: 12/31/2008
  • Issued: 05/20/2014
  • Est. Priority Date: 11/08/1999
  • Status: Expired due to Fees
First Claim
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1. A system for providing prepaid telephony service, the system comprising:

  • a packetized voice switch configured to determine whether a telephone number, supplied to establish a prepaid call and received via a Public Switched Telephone Network (PSTN) telephone switch, matches a prepaid access telephone number; and

    a relay station coupled to the packetized voice switch, wherein the relay station is configured as a media agent to terminate the prepaid call if a match is determined.

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