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Application filed by Moser OttofiledCriticalMoser Otto
Publication of CH253361ApublicationCriticalpatent/CH253361A/de
H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
H04M15/28—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP with meter at substation or with calculation of charges at terminal
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Engineering & Computer Science
(AREA)
Computer Networks & Wireless Communication
(AREA)
Signal Processing
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CH253361D1946-04-051946-04-05Fernsprechstation mit in ihr eingebauter Gebührenanzeigevorrichtung.
CH253361A
(de)