CH477138A - Verfahren zur Gebührenerfassung in zentralgesteuerten Fernmelde-, insbesondere Fernsprechvermittlungsanlagen
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Verfahren zur Gebührenerfassung in zentralgesteuerten Fernmelde-, insbesondere Fernsprechvermittlungsanlagen
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Publication number
CH477138A
CH477138ACH566568ACH566568ACH477138ACH 477138 ACH477138 ACH 477138ACH 566568 ACH566568 ACH 566568ACH 566568 ACH566568 ACH 566568ACH 477138 ACH477138 ACH 477138A
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Application filed by Int Standard Electric CorpfiledCriticalInt Standard Electric Corp
Publication of CH477138ApublicationCriticalpatent/CH477138A/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
H04M15/04—Recording calls, or communications in printed, perforated or other permanent form
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Engineering & Computer Science
(AREA)
Computer Networks & Wireless Communication
(AREA)
Signal Processing
(AREA)
Meter Arrangements
(AREA)
CH566568A1967-04-181968-04-17Verfahren zur Gebührenerfassung in zentralgesteuerten Fernmelde-, insbesondere Fernsprechvermittlungsanlagen
CH477138A
(de)