Telephonic communications – With usage measurement – Call charge metering or monitoring
Reexamination Certificate
2007-07-03
2011-10-11
Tran, Quoc D (Department: 2614)
Telephonic communications
With usage measurement
Call charge metering or monitoring
C379S114010, C379S114030, C379S114210, C379S118000, C379S127050, C455S405000, C455S406000
Reexamination Certificate
active
08036354
ABSTRACT:
An enhanced Calling Party Pays (CPP) or Paging Party Pays (PPP) system that enables 1) billing of calls originating from traditionally non-billable sources, 2) routing of incoming calls to voicemail if the caller does not wish to incur the additional charges, 3) allowing the caller to complete the call and charge the cellular (or paging) subscriber for additional air-time usage when the caller enters a PIN or security code, also referred to as a billing override code, and 4) allowing the caller to block CPP/PPP charges from being billed to the calling party.
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Blumenschein Gordon Lynn
Donoso Carlos
Gruchala Carol Shifrin
Marshall Douglas
Sosa Roger Albert
AT&T Intellectual Property I L.P.
Tran Quoc D
Woodcock & Washburn LLP
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