Radio telecommunication apparatus capable of controlling call charges
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United States of America Patent
Stats
-
Apr 28, 1992
Grant Date -
N/A
app pub date -
Jul 6, 1990
filing date -
Jul 7, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A radio telecommunication apparatus in which a telecommunication link is made between the user of the apparatus and a second party, a charge rate is obtained from a base station coupled to the apparatus, a first allowable call charge for one call is set, speech communication time in each call is counted to provide a count value, a current call charge is calculated based on the charge rate, the current call charge is compared with the first allowable call charge to determine whether the current call charge exceeds the first allowable call charge, and both the user of the apparatus and the second party are informed when the current call charge exceeds the first allowable call charge.
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