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US 6,151,388 AGranted
Communication charge management system
AssigneeNEC Corporation
InventorToshio Nakamura
Life of this patent
Estimating the term…
Abstract
A communication charge management system includes one or more master telephone sets serving as managing telephone sets, one or more slave telephone sets serving as telephone sets managed by the master telephone sets, and a charge informing unit. The charge informing unit informs the master telephone set of the communication charge in communication of the slave telephone set.
Claims10
A communication charge management system comprising:
- at least one master telephone set serving as a managing telephone set;
- at least one slave telephone set serving as a telephone set managed by said master telephone set;
- charge informing means for informing said master telephone set of a communication charge in communication of said slave telephone set;
- and
- display means, associated with said at least one master telephone set, for displaying a warning message indicating that said at least one slave telephone set has exceeded a charge limit.
2 more elements
A communication charge management system comprising:
- at least one master telephone set serving as a managing telephone set;
- at least one slave telephone set serving as a telephone set managed by said master telephone set;
- charge informing means for informing said master telephone set of a communication charge in communication of said slave telephone set;
- accumulating means for accumulating communication charges accompanying an outgoing call of said slave telephone set every time communication ends;
- charge upper limit setting means for setting a communication charge upper limit for an outgoing call of said slave telephone set;
- and
- call permitting means for permitting a subsequent call from said slave telephone set whose accumulated charge reaches the charge upper limit to only master and slave telephone sets having a specific relationship when the accumulated charge by said accumulating means reaches the charge upper limit set by said charge upper limit setting means.
4 more elements
A communication charge management system comprising:
- accumulating means for accumulating communication charges accompanying an outgoing call of a slave telephone set every time communication ends;
- setting means for setting a communication charge upper limit for an outgoing call of the telephone set;
- charging determining means for determining on the basis of a relationship with a communication partner whether a communication charge is required upon an outgoing call of the telephone set;
- and
- communication permitting means for permitting subsequent communication to only a communication partner determined by said charging determining means that no communication charge is required when the accumulated charge by said accumulating means reaches the charge upper limit set by said charge upper limit setting means.
2 more elements
A communication charge management system comprising:
- a plurality of master telephone sets serving as managing telephone sets;
- a plurality of slave telephone sets serving as telephone sets managed by said master telephone sets;
- accumulating means for individually accumulating communication charges of said slave telephone sets;
- first setting means for setting a relationship between said master and slave telephone sets in advance;
- second setting means for individually setting communication charge upper limits of said slave telephone sets;
- determining means for determining whether an accumulated communication charge of each slave telephone set by said accumulating means exceeds the charge upper limit set by said second setting means;
- informing control means for informing a master telephone set having a specific relationship of warning information with reference to setting information by said first setting means when the accumulated communication charge of said slave telephone set exceeds the charge upper limit;
- and
- display means associated with said master telephone set for displaying said warning information.
6 more elements
Dependencies are inferred from the claim text.