DK139499C - CIRCUIT OF CONNECTION OF FIRST CALL SIGNAL AND DISCALL SIGNALS IN TELEPHONE SYSTEMS, NAMELY PABC FACILITIES, USING A PREDETERMED AC RATE - Google Patents

CIRCUIT OF CONNECTION OF FIRST CALL SIGNAL AND DISCALL SIGNALS IN TELEPHONE SYSTEMS, NAMELY PABC FACILITIES, USING A PREDETERMED AC RATE

Info

Publication number
DK139499C
DK139499C DK650874A DK650874A DK139499C DK 139499 C DK139499 C DK 139499C DK 650874 A DK650874 A DK 650874A DK 650874 A DK650874 A DK 650874A DK 139499 C DK139499 C DK 139499C
Authority
DK
Denmark
Prior art keywords
discall
predetermed
pabc
facilities
namely
Prior art date
Application number
DK650874A
Other languages
Danish (da)
Other versions
DK139499B (en
DK650874A (en
Inventor
W Braunbeck
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 DK650874A publication Critical patent/DK650874A/da
Publication of DK139499B publication Critical patent/DK139499B/en
Application granted granted Critical
Publication of DK139499C publication Critical patent/DK139499C/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/58—Arrangements providing connection between main exchange and sub-exchange or satellite
    • H04Q3/62—Arrangements providing connection between main exchange and sub-exchange or satellite for connecting to private branch exchanges
    • H04Q3/625—Arrangements in the private branch exchange
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/02—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
DK650874A 1973-12-14 1974-12-13 CIRCUIT OF CONNECTION OF FIRST CALL SIGNAL AND DISCALL SIGNALS IN TELEPHONE SYSTEMS, NAMELY PABC FACILITIES, USING A PREDETERMED AC RATE DK139499C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2362328A DE2362328C2 (en) 1973-12-14 1973-12-14 Circuit arrangement for generating the first call and the further call in telephone systems, in particular in telephone branch exchange systems

Publications (3)

Publication Number Publication Date
DK650874A DK650874A (en) 1975-08-11
DK139499B DK139499B (en) 1979-02-26
DK139499C true DK139499C (en) 1979-08-06

Family

ID=5900822

Family Applications (1)

Application Number Title Priority Date Filing Date
DK650874A DK139499C (en) 1973-12-14 1974-12-13 CIRCUIT OF CONNECTION OF FIRST CALL SIGNAL AND DISCALL SIGNALS IN TELEPHONE SYSTEMS, NAMELY PABC FACILITIES, USING A PREDETERMED AC RATE

Country Status (11)

Country Link
AT (1) AT333853B (en)
BE (1) BE823333A (en)
CH (1) CH588195A5 (en)
DE (1) DE2362328C2 (en)
DK (1) DK139499C (en)
FR (1) FR2254918B1 (en)
GB (1) GB1482366A (en)
IT (1) IT1026913B (en)
LU (1) LU71469A1 (en)
NL (1) NL158672B (en)
SE (1) SE7415708L (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2538597C2 (en) * 1975-08-29 1982-01-14 Siemens AG, 1000 Berlin und 8000 München Method and circuit arrangement for carrying out the method for telecommunications, in particular telephone systems with a first call and subsequent call to a desired subscriber
DE2935119C2 (en) * 1979-08-30 1981-09-24 Siemens AG, 1000 Berlin und 8000 München Indirectly controlled switching system, in particular telephone branch exchange, with a central control unit and with monitoring of the selected remote exchange code
DE3218506A1 (en) * 1982-04-02 1983-10-13 Siemens AG, 1000 Berlin und 8000 München CIRCUIT ARRANGEMENT FOR TELECOMMUNICATION SWITCHING SYSTEMS, IN PARTICULAR TELEPHONE SWITCHING SYSTEMS, WITH SWITCHING DEVICES FOR SIGNALING

Also Published As

Publication number Publication date
DK139499B (en) 1979-02-26
GB1482366A (en) 1977-08-10
AT333853B (en) 1976-12-10
CH588195A5 (en) 1977-05-31
DE2362328B1 (en) 1975-03-20
ATA929574A (en) 1976-04-15
DE2362328C2 (en) 1979-11-15
SE7415708L (en) 1975-06-16
BE823333A (en) 1975-06-13
FR2254918B1 (en) 1979-10-12
FR2254918A1 (en) 1975-07-11
IT1026913B (en) 1978-10-20
NL158672B (en) 1978-11-15
DK650874A (en) 1975-08-11
NL7416008A (en) 1975-06-17
LU71469A1 (en) 1975-06-11

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