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GB2174269B - Private automatic branch telecommunication exchange - Google Patents

Private automatic branch telecommunication exchange

Info

Publication number
GB2174269B
GB2174269B GB08510240A GB8510240A GB2174269B GB 2174269 B GB2174269 B GB 2174269B GB 08510240 A GB08510240 A GB 08510240A GB 8510240 A GB8510240 A GB 8510240A GB 2174269 B GB2174269 B GB 2174269B
Authority
GB
United Kingdom
Prior art keywords
automatic branch
private automatic
telecommunication exchange
branch telecommunication
exchange
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
GB08510240A
Other versions
GB8510240D0 (en
GB2174269A (en
Inventor
Frederick Henry Rees
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.)
STC PLC
Original Assignee
STC PLC
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 STC PLC filed Critical STC PLC
Priority to GB08510240A priority Critical patent/GB2174269B/en
Publication of GB8510240D0 publication Critical patent/GB8510240D0/en
Publication of GB2174269A publication Critical patent/GB2174269A/en
Application granted granted Critical
Publication of GB2174269B publication Critical patent/GB2174269B/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
    • H04Q11/0428—Integrated services digital network, i.e. systems for transmission of different types of digitised signals, e.g. speech, data, telecentral, television signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
GB08510240A 1985-04-20 1985-04-20 Private automatic branch telecommunication exchange Expired GB2174269B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08510240A GB2174269B (en) 1985-04-20 1985-04-20 Private automatic branch telecommunication exchange

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08510240A GB2174269B (en) 1985-04-20 1985-04-20 Private automatic branch telecommunication exchange

Publications (3)

Publication Number Publication Date
GB8510240D0 GB8510240D0 (en) 1985-05-30
GB2174269A GB2174269A (en) 1986-10-29
GB2174269B true GB2174269B (en) 1988-09-07

Family

ID=10578022

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08510240A Expired GB2174269B (en) 1985-04-20 1985-04-20 Private automatic branch telecommunication exchange

Country Status (1)

Country Link
GB (1) GB2174269B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5134611A (en) * 1988-09-30 1992-07-28 Microcom, Inc. Analog/digital data device and method
GB9201540D0 (en) * 1992-01-24 1992-03-11 Plessey Telecomm Speech/signalling overlay
IES74961B2 (en) * 1996-12-20 1997-08-13 Digital Switch Systems Technol An ISDN card for a private automatic branch exchange

Also Published As

Publication number Publication date
GB8510240D0 (en) 1985-05-30
GB2174269A (en) 1986-10-29

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