CH544462A - Circuit arrangement for a telephone system with authorization storage means - Google Patents

Circuit arrangement for a telephone system with authorization storage means

Info

Publication number
CH544462A
CH544462A CH1131372A CH1131372A CH544462A CH 544462 A CH544462 A CH 544462A CH 1131372 A CH1131372 A CH 1131372A CH 1131372 A CH1131372 A CH 1131372A CH 544462 A CH544462 A CH 544462A
Authority
CH
Switzerland
Prior art keywords
storage means
circuit arrangement
telephone system
authorization storage
authorization
Prior art date
Application number
CH1131372A
Other languages
German (de)
Inventor
Robert Dipl Ing Melotte
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Publication of CH544462A publication Critical patent/CH544462A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/06—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/38—Graded-service arrangements, i.e. some subscribers prevented from establishing certain connections

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Telephonic Communication Services (AREA)
CH1131372A 1971-08-30 1972-07-28 Circuit arrangement for a telephone system with authorization storage means CH544462A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712143410 DE2143410C3 (en) 1971-08-30 1971-08-30 Circuit arrangement for a telephone system with authorization storage means

Publications (1)

Publication Number Publication Date
CH544462A true CH544462A (en) 1973-11-15

Family

ID=5818189

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1131372A CH544462A (en) 1971-08-30 1972-07-28 Circuit arrangement for a telephone system with authorization storage means

Country Status (11)

Country Link
JP (1) JPS4833707A (en)
AT (1) AT320038B (en)
BE (1) BE788182A (en)
CH (1) CH544462A (en)
DE (1) DE2143410C3 (en)
FR (1) FR2151950A5 (en)
GB (1) GB1395193A (en)
IT (1) IT964327B (en)
LU (1) LU65968A1 (en)
NL (1) NL7211028A (en)
SE (1) SE372869B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2919544C2 (en) * 1979-05-15 1988-03-24 Siemens AG, 1000 Berlin und 8000 München Circuit arrangement for changing performance features in indirectly controlled switching systems, in particular telephone branch systems, with a central control unit and with data transmission from subscriber stations and other terminals by plugging in identity means
DE3328059C2 (en) * 1983-08-03 1986-07-03 Siemens AG, 1000 Berlin und 8000 München Method for the selection on the receiving side of data or voice connections running via an exchange of a telecommunications or telephone system

Also Published As

Publication number Publication date
JPS4833707A (en) 1973-05-12
FR2151950A5 (en) 1973-04-20
IT964327B (en) 1974-01-21
AT320038B (en) 1975-01-27
DE2143410A1 (en) 1973-03-08
SE372869B (en) 1975-01-13
BE788182A (en) 1973-02-28
DE2143410B2 (en) 1974-07-11
NL7211028A (en) 1973-03-02
LU65968A1 (en) 1973-01-15
GB1395193A (en) 1975-05-21
DE2143410C3 (en) 1975-02-27

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Legal Events

Date Code Title Description
PL Patent ceased