GB1066589A - Telephone switching systems - Google Patents

Telephone switching systems

Info

Publication number
GB1066589A
GB1066589A GB43947/63A GB4394763A GB1066589A GB 1066589 A GB1066589 A GB 1066589A GB 43947/63 A GB43947/63 A GB 43947/63A GB 4394763 A GB4394763 A GB 4394763A GB 1066589 A GB1066589 A GB 1066589A
Authority
GB
United Kingdom
Prior art keywords
pbx
trunks
extension
trunk
marker
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
GB43947/63A
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.)
AT&T Corp
Original Assignee
Western Electric Co 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 Western Electric Co Inc filed Critical Western Electric Co Inc
Publication of GB1066589A publication Critical patent/GB1066589A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/0004—Selecting arrangements using crossbar selectors in the switching stages

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
  • Exchange Systems With Centralized Control (AREA)
GB43947/63A 1962-11-28 1963-11-07 Telephone switching systems Expired GB1066589A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US240558A US3264415A (en) 1962-11-28 1962-11-28 Switching system for outpulsing on pbx trunks

Publications (1)

Publication Number Publication Date
GB1066589A true GB1066589A (en) 1967-04-26

Family

ID=22907033

Family Applications (1)

Application Number Title Priority Date Filing Date
GB43947/63A Expired GB1066589A (en) 1962-11-28 1963-11-07 Telephone switching systems

Country Status (6)

Country Link
US (1) US3264415A (https=)
BE (1) BE640537A (https=)
DE (1) DE1200376C2 (https=)
GB (1) GB1066589A (https=)
NL (2) NL142556B (https=)
SE (1) SE342961B (https=)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE312154B (https=) * 1964-07-02 1969-07-07 Ericsson Telefon Ab L M
US3524025A (en) * 1966-04-14 1970-08-11 Nippon Telegraph & Telephone Route advance control system for automatic telephone exchanges
DE1537762B2 (de) * 1966-09-17 1971-02-18 Hitachi Ltd , Tokio Steuereinrichtung fuer automatische fernmelde vermittlungs anlagen
JPS52127108A (en) * 1976-04-19 1977-10-25 Hitachi Ltd Controllig for private branch exchange of two combined sets
US4415773A (en) * 1981-10-29 1983-11-15 Western Electric Company, Inc. Methods of establishing a switching connection within a switching system
US4879743A (en) * 1988-10-03 1989-11-07 American Telephone And Telegraph Company PBX and adjunct using multi-frequency tones for communication therebetween

Also Published As

Publication number Publication date
NL142556B (nl) 1974-06-17
DE1200376B (de) 1965-09-09
DE1200376C2 (de) 1976-08-12
SE342961B (https=) 1972-02-21
NL300641A (https=)
US3264415A (en) 1966-08-02
BE640537A (https=)

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