GB1170573A - Improvements in or relating to Telecommunications Exchange Systems - Google Patents

Improvements in or relating to Telecommunications Exchange Systems

Info

Publication number
GB1170573A
GB1170573A GB09809/68A GB1980968A GB1170573A GB 1170573 A GB1170573 A GB 1170573A GB 09809/68 A GB09809/68 A GB 09809/68A GB 1980968 A GB1980968 A GB 1980968A GB 1170573 A GB1170573 A GB 1170573A
Authority
GB
United Kingdom
Prior art keywords
service
test
special
connection
cancellation
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB09809/68A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Siemens Corp
Original Assignee
Siemens AG
Siemens Corp
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, Siemens Corp filed Critical Siemens AG
Publication of GB1170573A publication Critical patent/GB1170573A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
  • Exchange Systems With Centralized Control (AREA)
  • Facsimiles In General (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
GB09809/68A 1967-04-28 1968-04-26 Improvements in or relating to Telecommunications Exchange Systems Expired GB1170573A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DES0109620 1967-04-28

Publications (1)

Publication Number Publication Date
GB1170573A true GB1170573A (en) 1969-11-12

Family

ID=7529659

Family Applications (1)

Application Number Title Priority Date Filing Date
GB09809/68A Expired GB1170573A (en) 1967-04-28 1968-04-26 Improvements in or relating to Telecommunications Exchange Systems

Country Status (10)

Country Link
AT (1) AT286374B (en:Method)
BE (1) BE714291A (en:Method)
BG (1) BG16360A3 (en:Method)
CH (1) CH476434A (en:Method)
DE (1) DE1512937C2 (en:Method)
DK (1) DK122699B (en:Method)
FI (1) FI52911C (en:Method)
FR (1) FR1564258A (en:Method)
GB (1) GB1170573A (en:Method)
NL (1) NL158047B (en:Method)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL195653A (en:Method) * 1954-03-27 Ericsson Telefon Ab L M
DE1127965B (de) * 1961-01-05 1962-04-19 Siemens Ag Schaltungsanordnung fuer Fernmelde-, insbesondere Fernsprechanlagen mit Sonderdiensten
DE1225248B (de) * 1964-04-15 1966-09-22 Siemens Ag Schaltungsanordnung fuer Fernmelde-, insbesondere Fernsprechvermittlungsanlagen, in denen ein Teilnehmer von seinem Fernsprechapparat aus eine Umschaltung auf eine Sonderdiensteinrichtung in die Wege leitet

Also Published As

Publication number Publication date
CH476434A (de) 1969-07-31
BG16360A3 (bg) 1972-08-20
FR1564258A (en:Method) 1969-04-18
FI52911B (en:Method) 1977-08-31
AT286374B (de) 1970-12-10
DK122699B (da) 1972-03-27
BE714291A (en:Method) 1968-10-28
NL158047B (nl) 1978-09-15
DE1512937C2 (de) 1974-02-21
DE1512937B1 (de) 1973-07-26
NL6805738A (en:Method) 1968-10-29
FI52911C (fi) 1977-12-12

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