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International Standard Electric Corp
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International Standard Electric Corp
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Publication of FR971795ApublicationCriticalpatent/FR971795A/fr
H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
H04M15/08—Metering calls to called party, i.e. B-party charged for the communication
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Engineering & Computer Science
(AREA)
Computer Networks & Wireless Communication
(AREA)
Signal Processing
(AREA)
FR971795D1947-09-111948-09-11Circuits d'identification pour systèmes téléphoniques automatiques ou semi-automatiques ou systèmes analogues
ExpiredFR971795A
(fr)