Telephonic communications – With usage measurement – Call charge metering or monitoring
Patent
1998-02-10
1999-12-14
Loomis, Paul
Telephonic communications
With usage measurement
Call charge metering or monitoring
379112, 379114, 379144, 379 8816, H04M 1500
Patent
active
06002755&
ABSTRACT:
The invention relates to a method for providing a subscriber (SUB1) with information relating to call-charges for telecommunication services associated with a communication link, as well as a call-charge device (CHARGE), a subscriber terminal (TE4) and a service unit for carrying out the method. The call-charge device (CHARGE) receives one or several of the call-metering messages (MP) associated with the communication link and calculates while the communication link is operative, from these messages (MP) the charges (CH) accrued for the communication link. The call-charge device (CHARGE) then associates with the calculated charges (CH) an acoustic signal and generates an electric signal (ES) which corresponds to the associated acoustic signal. The acoustic signal is subsequently conveyed to the subscriber (SUB1) with the help of an electro-acoustic transducer (LS) which is controlled by the electric signal (ES).
REFERENCES:
patent: 4726056 (1988-02-01), An et al.
patent: 5440621 (1995-08-01), Castro
patent: 5859902 (1999-01-01), Freedman
Krank Lothar
Lautenschlager Wolfgang
Stahl Uwe
Weik Hartmut
Alcatel Alsthom Compagnie Generale d Electricite
Loomis Paul
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