IT8323889A0 - Disposizione per prove di chiamata sulle linee di abbonato. - Google Patents

Disposizione per prove di chiamata sulle linee di abbonato.

Info

Publication number
IT8323889A0
IT8323889A0 IT8323889A IT2388983A IT8323889A0 IT 8323889 A0 IT8323889 A0 IT 8323889A0 IT 8323889 A IT8323889 A IT 8323889A IT 2388983 A IT2388983 A IT 2388983A IT 8323889 A0 IT8323889 A0 IT 8323889A0
Authority
IT
Italy
Prior art keywords
provision
subscriber lines
call test
call
test
Prior art date
Application number
IT8323889A
Other languages
English (en)
Other versions
IT8323889A1 (it
IT1194482B (it
Inventor
William R Daniels
John S Young
Original Assignee
Gte Automatic Electric Inc
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 Gte Automatic Electric Inc filed Critical Gte Automatic Electric Inc
Publication of IT8323889A0 publication Critical patent/IT8323889A0/it
Publication of IT8323889A1 publication Critical patent/IT8323889A1/it
Application granted granted Critical
Publication of IT1194482B publication Critical patent/IT1194482B/it

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/22—Arrangements for supervision, monitoring or testing
    • H04M3/26—Arrangements for supervision, monitoring or testing with means for applying test signals or for measuring
    • H04M3/28—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor
    • H04M3/30—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for subscriber's lines, for the local loop

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Road Signs Or Road Markings (AREA)
IT23889/83A 1982-12-01 1983-11-25 Disposizione per prove di chiamata sulla linee di abbonato IT1194482B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/445,801 US4453048A (en) 1982-12-01 1982-12-01 Arrangement for subscriber line ring testing

Publications (3)

Publication Number Publication Date
IT8323889A0 true IT8323889A0 (it) 1983-11-25
IT8323889A1 IT8323889A1 (it) 1985-05-25
IT1194482B IT1194482B (it) 1988-09-22

Family

ID=23770244

Family Applications (1)

Application Number Title Priority Date Filing Date
IT23889/83A IT1194482B (it) 1982-12-01 1983-11-25 Disposizione per prove di chiamata sulla linee di abbonato

Country Status (5)

Country Link
US (1) US4453048A (it)
JP (1) JPS59110260A (it)
BE (1) BE898337A (it)
CA (1) CA1211189A (it)
IT (1) IT1194482B (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4544809A (en) * 1983-12-21 1985-10-01 General Telephone Of Michigan Arrangement for subscriber line ring testing
US4653043A (en) * 1985-07-01 1987-03-24 At&T Bell Laboratories Pre-cutover verification of switching system subscriber lines served via digital carrier facilities
EP0471216B1 (de) * 1990-08-14 1995-03-29 Siemens Aktiengesellschaft Verfahren zur Leitungsanschlussprüfung vor einer Umschaltung von einer ausser Betrieb zu nehmenden Fernsprechvermittlungsstelle auf eine neu in Betrieb zu nehmende digitale Fernsprechvermittlungsstelle

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3752940A (en) * 1972-07-10 1973-08-14 Porta Systems Corp Line verification tester
US3892928A (en) * 1973-10-09 1975-07-01 Bell Telephone Labor Inc Switching system equipped with line verification apparatus

Also Published As

Publication number Publication date
IT8323889A1 (it) 1985-05-25
JPS59110260A (ja) 1984-06-26
CA1211189A (en) 1986-09-09
IT1194482B (it) 1988-09-22
BE898337A (fr) 1984-03-16
US4453048A (en) 1984-06-05

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