Telephonic communications – With usage measurement – Call charge metering or monitoring
Reexamination Certificate
2005-06-14
2005-06-14
Barnie, Rexford (Department: 2643)
Telephonic communications
With usage measurement
Call charge metering or monitoring
C379S114200, C379S114170, C379S114150, C455S406000
Reexamination Certificate
active
06907116
ABSTRACT:
A time remaining determination module is implemented in a prepaid service to maintain and/or report subscriber account information based on accurately determined time remaining, even in light of replenishments using differing rate plans and/or dollar values. In particular, the inventive approach utilizes a reporting module which accurately accounts for and determines the total minutes remaining in a subscriber's account by accommodating and adjusting for each potentially different rate plan associated with each recharge or replenishment. This enables the service provider not only to accurately report the account balance in terms of time remaining at any convenient time (e.g., during the call process), but also to correctly manage the subscriber account and call duration.
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He Peter
Ung Dara
Barnie Rexford
Bollman William H.
TeleCommunication Systems Inc.
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