SYSTEM CONTROL ENHANCEMENT OF TELEPHONE SET TONE BASED ON PER CALL AND ITS METHOD

PROBLEM TO BE SOLVED: To control a system controlling a signal enhancement based on per call by receiving an enhancement signal from a command generating circuit and applying enhancement part of the signal selectively based on per call according to the enhancement signal. SOLUTION: An LEC(local exch...

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Bibliographic Details
Main Authors LE CRONIER RICHARD E, ELSE RICHARD L, PAROLA DARIO LIVIO, TAI NANCY Y, STONE ROGER EDEN, CLANCY BETH J
Format Patent
LanguageEnglish
Published 23.01.1998
Edition6
Subjects
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
SELECTING
TELEPHONIC COMMUNICATION
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Summary:PROBLEM TO BE SOLVED: To control a system controlling a signal enhancement based on per call by receiving an enhancement signal from a command generating circuit and applying enhancement part of the signal selectively based on per call according to the enhancement signal. SOLUTION: An LEC(local exchange carrier) 110a supplies one set of recording data including properly a telephone number of a caller telephone station 105a or a called telephone station 105n to a switch 115a. A telephone signal is sent to a switch 115n via a signal enhancement circuit 119a from the switch 115a. The telephone signal is sent from the switch 115n to an LEC 110n via a signal enhancement circuit 119n and from an LEC 110n to the called telephone station 105n via communication links 130, 125n, 120n.
Bibliography:Application Number: JP19960336196