NL147907B - CALL COUNTER SWITCH. - Google Patents

CALL COUNTER SWITCH.

Info

Publication number
NL147907B
NL147907B NL7111987A NL7111987A NL147907B NL 147907 B NL147907 B NL 147907B NL 7111987 A NL7111987 A NL 7111987A NL 7111987 A NL7111987 A NL 7111987A NL 147907 B NL147907 B NL 147907B
Authority
NL
Netherlands
Prior art keywords
counter switch
call counter
call
switch
counter
Prior art date
Application number
NL7111987A
Other languages
Dutch (nl)
Other versions
NL7111987A (en
Original Assignee
Sodeco
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sodeco filed Critical Sodeco
Publication of NL7111987A publication Critical patent/NL7111987A/xx
Publication of NL147907B publication Critical patent/NL147907B/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/66—Substation equipment, e.g. for use by subscribers with means for preventing unauthorised or fraudulent calling
    • H04M1/677—Preventing the dialling or sending of predetermined telephone numbers or selected types of telephone numbers, e.g. long distance numbers
    • 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
    • H04M15/28—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Security & Cryptography (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
NL7111987A 1971-06-21 1971-08-31 CALL COUNTER SWITCH. NL147907B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH901471A CH532873A (en) 1971-06-21 1971-06-21 Billing meters for telephone systems with automatic billing

Publications (2)

Publication Number Publication Date
NL7111987A NL7111987A (en) 1972-12-27
NL147907B true NL147907B (en) 1975-11-17

Family

ID=4347382

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7111987A NL147907B (en) 1971-06-21 1971-08-31 CALL COUNTER SWITCH.

Country Status (6)

Country Link
CH (1) CH532873A (en)
ES (1) ES404018A1 (en)
FR (1) FR2143118B1 (en)
IT (1) IT956582B (en)
NL (1) NL147907B (en)
SE (1) SE370304B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH622654A5 (en) * 1977-09-30 1981-04-15 Sodeco Compteurs De Geneve
DE3544687C2 (en) * 1985-12-18 1993-12-02 Bosch Gmbh Robert Electrical blocking device for blocking calls from a telephone set

Also Published As

Publication number Publication date
FR2143118A1 (en) 1973-02-02
FR2143118B1 (en) 1973-07-13
CH532873A (en) 1973-01-15
SE370304B (en) 1974-10-07
NL7111987A (en) 1972-12-27
IT956582B (en) 1973-10-10
ES404018A1 (en) 1975-05-01

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