Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Reexamination Certificate
2003-05-15
2008-11-18
Smith, Creighton H (Department: 2614)
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
C455S432100, C370S352000
Reexamination Certificate
active
07454206
ABSTRACT:
A user uses a wireless communication device to engage in a communication session over a packet-switched network. The communication session is one of a plurality of different session types, e.g., a push-to-talk (PTT) session or a Web browsing session. The user is identified in the communication session by a user identifier that is dependent on the session type. The user identifier used in a particular communication session is included in a usage record generated for that communications session. A billing system determines the session type from the user identifier in the usage record. Based on this session type, the billing system selects a billing formula to calculate a charge to the user for the communication session.
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Ehrsam John David
Hinds Bill A.
Phillips Jeffrey F.
Smith Creighton H
Sprint Communications Company L.P.
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