AT380601B - CIRCUIT ARRANGEMENT FOR CENTRALLY CONTROLLED TELEPHONE SWITCHING SYSTEMS, IN PARTICULAR TELEPHONE EXTENSION PLANTS WITH SWITCHING SPACE - Google Patents

CIRCUIT ARRANGEMENT FOR CENTRALLY CONTROLLED TELEPHONE SWITCHING SYSTEMS, IN PARTICULAR TELEPHONE EXTENSION PLANTS WITH SWITCHING SPACE

Info

Publication number
AT380601B
AT380601B AT0315779A AT315779A AT380601B AT 380601 B AT380601 B AT 380601B AT 0315779 A AT0315779 A AT 0315779A AT 315779 A AT315779 A AT 315779A AT 380601 B AT380601 B AT 380601B
Authority
AT
Austria
Prior art keywords
switching
plants
circuit arrangement
centrally controlled
telephone
Prior art date
Application number
AT0315779A
Other languages
German (de)
Other versions
ATA315779A (en
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 ATA315779A publication Critical patent/ATA315779A/en
Application granted granted Critical
Publication of AT380601B publication Critical patent/AT380601B/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/60—Semi-automatic systems, i.e. in which the numerical selection of the outgoing line is under the control of an operator

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
AT0315779A 1978-04-28 1979-04-26 CIRCUIT ARRANGEMENT FOR CENTRALLY CONTROLLED TELEPHONE SWITCHING SYSTEMS, IN PARTICULAR TELEPHONE EXTENSION PLANTS WITH SWITCHING SPACE AT380601B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2818931A DE2818931C3 (en) 1978-04-28 1978-04-28 Circuit arrangement for centrally controlled telephone exchange systems, in particular telephone branch exchange systems with a speech path coupling network

Publications (2)

Publication Number Publication Date
ATA315779A ATA315779A (en) 1985-10-15
AT380601B true AT380601B (en) 1986-06-25

Family

ID=6038354

Family Applications (1)

Application Number Title Priority Date Filing Date
AT0315779A AT380601B (en) 1978-04-28 1979-04-26 CIRCUIT ARRANGEMENT FOR CENTRALLY CONTROLLED TELEPHONE SWITCHING SYSTEMS, IN PARTICULAR TELEPHONE EXTENSION PLANTS WITH SWITCHING SPACE

Country Status (4)

Country Link
AT (1) AT380601B (en)
DE (1) DE2818931C3 (en)
FR (1) FR2424678B1 (en)
IT (1) IT1112325B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3024787C2 (en) * 1980-06-30 1984-01-19 Siemens AG, 1000 Berlin und 8000 München Method for centrally controlled telecommunications switching systems, in particular telephone branch exchange systems with switching stations
DE3037361C2 (en) * 1980-09-30 1983-11-10 Siemens AG, 1000 Berlin und 8000 München Circuit arrangement for centrally controlled telephone systems, in particular telephone extension systems and private special telephone systems, with user station and / or switching center-oriented operational readiness display means
US4731824A (en) * 1986-03-05 1988-03-15 Rotelcom, Inc. Chime pulser for phone call backup interpreter

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1880722A (en) * 1931-05-26 1932-10-04 Western Union Telegraph Co Call distributing system for concentration circuits
DE718791C (en) * 1934-10-23 1942-03-20 Mix & Genest Ag Circuit arrangement for telephone extension systems with dialer operation
DE2812387C2 (en) * 1978-03-21 1985-08-22 Siemens AG, 1000 Berlin und 8000 München Method and circuit arrangement for establishing conference connections in a PCM time division multiplex switching system
DE2817567C2 (en) * 1978-04-21 1983-12-29 Siemens AG, 1000 Berlin und 8000 München Process for handling switching processes in telephone systems, in particular telephone private branch exchanges

Also Published As

Publication number Publication date
FR2424678A1 (en) 1979-11-23
IT1112325B (en) 1986-01-13
DE2818931B2 (en) 1980-10-02
IT7921966A0 (en) 1979-04-19
DE2818931C3 (en) 1981-07-30
DE2818931A1 (en) 1979-10-31
ATA315779A (en) 1985-10-15
FR2424678B1 (en) 1987-07-10

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