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Publication date
Application filed by Bell Telephone MfgfiledCriticalBell Telephone Mfg
Publication of CH216077ApublicationCriticalpatent/CH216077A/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
H04M15/10—Metering calls from calling party, i.e. A-party charged for the communication
H—ELECTRICITY
H04—ELECTRIC COMMUNICATION TECHNIQUE
H04M—TELEPHONIC COMMUNICATION
H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
H04M15/04—Recording calls, or communications in printed, perforated or other permanent form
Landscapes
Engineering & Computer Science
(AREA)
Computer Networks & Wireless Communication
(AREA)
Signal Processing
(AREA)
Meter Arrangements
(AREA)
CH216077D1939-09-081939-09-08Fernmeldeanlage mit mehreren Vermittlungsämtern.
CH216077A
(de)
Verfahren zur UEbertragung von Nachrichten mit Verlagerung der Sprechstroeme auf Teilstrecken der UEbertragungsleitung in verschiedene Frequenzbereiche
Schaltungsanordnung für die Einspeisung von Wechselstrom-Zählimpulsen in Empfangsrelais für Gleichstromimpulse enthaltende Zählübertragungen in Fernmelde-, insbesondere Fernsprechanlagen