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AUTOMATISCHE FERNSPRECH ANLAGE
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AUTOMATISCHE FERNSPRECH ANLAGE
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Application filed by AUTOMATISCHE FERNSPRECH ANLAGEfiledCriticalAUTOMATISCHE FERNSPRECH ANLAGE
Application grantedgrantedCritical
Publication of FR623033ApublicationCriticalpatent/FR623033A/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
H04M15/10—Metering calls from calling party, i.e. A-party charged for the communication
Landscapes
Engineering & Computer Science
(AREA)
Computer Networks & Wireless Communication
(AREA)
Signal Processing
(AREA)
Structure Of Telephone Exchanges
(AREA)
FR623033D1926-02-151926-04-27Dispositif de commutation pour installations téléphoniques avec compteur automatique de communications
ExpiredFR623033A
(fr)