ATA698478A - CIRCUIT ARRANGEMENT FOR TELECOMMUNICATION SWITCHING SYSTEMS, ESPECIALLY TELECOMMUNICATION SWITCHING SYSTEMS, WITH SWITCHING DEVICES AND THEIR COMMON REQUESTING DEVICES - Google Patents

CIRCUIT ARRANGEMENT FOR TELECOMMUNICATION SWITCHING SYSTEMS, ESPECIALLY TELECOMMUNICATION SWITCHING SYSTEMS, WITH SWITCHING DEVICES AND THEIR COMMON REQUESTING DEVICES

Info

Publication number
ATA698478A
ATA698478A AT0698478A AT698478A ATA698478A AT A698478 A ATA698478 A AT A698478A AT 0698478 A AT0698478 A AT 0698478A AT 698478 A AT698478 A AT 698478A AT A698478 A ATA698478 A AT A698478A
Authority
AT
Austria
Prior art keywords
devices
switching systems
telecommunication switching
circuit arrangement
telecommunication
Prior art date
Application number
AT0698478A
Other languages
German (de)
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
Priority claimed from DE19772744118 external-priority patent/DE2744118A1/en
Priority claimed from DE19772748795 external-priority patent/DE2748795A1/en
Application filed by Siemens Ag filed Critical Siemens Ag
Publication of ATA698478A publication Critical patent/ATA698478A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/72—Finding out and indicating number of calling subscriber

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Telephonic Communication Services (AREA)
AT0698478A 1977-09-30 1978-09-27 CIRCUIT ARRANGEMENT FOR TELECOMMUNICATION SWITCHING SYSTEMS, ESPECIALLY TELECOMMUNICATION SWITCHING SYSTEMS, WITH SWITCHING DEVICES AND THEIR COMMON REQUESTING DEVICES ATA698478A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19772744118 DE2744118A1 (en) 1977-09-30 1977-09-30 Telephone exchange with single interrogate unit for several lines - uses interrogate pulse trains of at least two different frequencies to increase unit's capacity
DE19772748795 DE2748795A1 (en) 1977-10-31 1977-10-31 Switching characteristics monitor for telecommunications exchange - repeatedly interrogates switching devices and successively compares results

Publications (1)

Publication Number Publication Date
ATA698478A true ATA698478A (en) 1982-09-15

Family

ID=25772826

Family Applications (1)

Application Number Title Priority Date Filing Date
AT0698478A ATA698478A (en) 1977-09-30 1978-09-27 CIRCUIT ARRANGEMENT FOR TELECOMMUNICATION SWITCHING SYSTEMS, ESPECIALLY TELECOMMUNICATION SWITCHING SYSTEMS, WITH SWITCHING DEVICES AND THEIR COMMON REQUESTING DEVICES

Country Status (6)

Country Link
AT (1) ATA698478A (en)
CH (1) CH631304A5 (en)
FR (1) FR2404980A1 (en)
GB (1) GB2006573B (en)
IT (1) IT1099616B (en)
LU (1) LU80182A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
HU193325B (en) * 1985-03-29 1987-09-28 Bhg Hiradastech Vallalat Scanning and preprocessing circuit for centrally controlled apparatuses, preferably telephone exchanges
DE3668745D1 (en) * 1985-08-14 1990-03-08 Siemens Ag CIRCUIT ARRANGEMENT FOR TELECOMMUNICATION SYSTEMS, ESPECIALLY TELECOMMUNICATION SWITCHING SYSTEMS, WITH REQUESTING POINTS, CYCLICALLY CONTROLLING INFORMATION REQUESTING DEVICES.
GB2339119B (en) 1998-06-30 2003-05-21 Mitel Corp Method and apparatus for event detection in a switching system

Also Published As

Publication number Publication date
GB2006573A (en) 1979-05-02
LU80182A1 (en) 1979-02-12
GB2006573B (en) 1982-01-13
CH631304A5 (en) 1982-07-30
IT1099616B (en) 1985-09-18
FR2404980A1 (en) 1979-04-27
IT7828249A0 (en) 1978-09-29

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