GB1433816A - Telecommunications exchanges - Google Patents

Telecommunications exchanges

Info

Publication number
GB1433816A
GB1433816A GB2876173A GB2876173A GB1433816A GB 1433816 A GB1433816 A GB 1433816A GB 2876173 A GB2876173 A GB 2876173A GB 2876173 A GB2876173 A GB 2876173A GB 1433816 A GB1433816 A GB 1433816A
Authority
GB
United Kingdom
Prior art keywords
calls
call
finder
outgoing
register
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
GB2876173A
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.)
Alcatel CIT SA
Alcatel Lucent SAS
Nokia Inc
Original Assignee
Alcatel SA
Compagnie Industrielle de Telecommunication CIT Alcatel SA
Nokia 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 Alcatel SA, Compagnie Industrielle de Telecommunication CIT Alcatel SA, Nokia Inc filed Critical Alcatel SA
Publication of GB1433816A publication Critical patent/GB1433816A/en
Expired legal-status Critical Current

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

Landscapes

  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
  • Exchange Systems With Centralized Control (AREA)
GB2876173A 1972-06-16 1973-06-18 Telecommunications exchanges Expired GB1433816A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7221890A FR2190327A6 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1972-06-16 1972-06-16

Publications (1)

Publication Number Publication Date
GB1433816A true GB1433816A (en) 1976-04-28

Family

ID=9100350

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2876173A Expired GB1433816A (en) 1972-06-16 1973-06-18 Telecommunications exchanges

Country Status (9)

Country Link
US (1) US3944751A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE (1) BE800754A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CH (1) CH578295A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE2330558A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2190327A6 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1433816A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IT (1) IT989225B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1) NL7308303A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
SE (1) SE405058B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100241914B1 (ko) 1997-08-27 2000-10-02 윤종용 사설교환시스템에서 중계대를 통한 메시지 확인방법

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE622151A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1961-09-05
US3115552A (en) * 1961-11-28 1963-12-24 American Telephone & Telegraph Telephone switching system
BE642805A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1963-01-21
GB1084099A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1963-12-20

Also Published As

Publication number Publication date
NL7308303A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1973-12-18
DE2330558A1 (de) 1974-01-03
BE800754A (fr) 1973-12-12
US3944751A (en) 1976-03-16
FR2190327A6 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1974-01-25
IT989225B (it) 1975-05-20
SE405058B (sv) 1978-11-13
CH578295A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1976-07-30

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee