Telephone providing automatic tracking of calling plan charges

Details Telephone providing automatic tracking of calling plan charges Telephone providing automatic tracking of calling plan charges

2007-05-22

2007-05-22

Tieu, Binh K. (Department: 2614)

Telephonic communications

With usage measurement

Call charge metering or monitoring

C379S114010, C379S121020, C455S407000, C455S419000, C455S550100

Reexamination Certificate

active

10676975

ABSTRACT:
The invention is directed to a telephone that provides for automatically and accurately tracking calling plan charges using carrier plan rules, for informing a user of accrued charges on request, and for providing messages and signals to a user so that the user may budget telephone use and thereby lower the user's costs.

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