JPS57180291A - Private automatic exchange - Google Patents

Private automatic exchange

Info

Publication number
JPS57180291A
JPS57180291A JP6442881A JP6442881A JPS57180291A JP S57180291 A JPS57180291 A JP S57180291A JP 6442881 A JP6442881 A JP 6442881A JP 6442881 A JP6442881 A JP 6442881A JP S57180291 A JPS57180291 A JP S57180291A
Authority
JP
Japan
Prior art keywords
subscriber
telephone set
indexed
typewriter
incoming
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.)
Pending
Application number
JP6442881A
Other languages
Japanese (ja)
Inventor
Isao Endo
Teruhisa Konishi
Tetsuo Sagara
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.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP6442881A priority Critical patent/JPS57180291A/en
Publication of JPS57180291A publication Critical patent/JPS57180291A/en
Pending 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)

Abstract

PURPOSE:To selectively obtain a desired telephone usage service at a desired time, without making the change of subscriber class by the third party, by providing a means changeable the subscriber class with a device such as telephone set with a subscriber. CONSTITUTION:A storage device 1 is connected to an input and output device such as a typewriter 15 via a data channel 14 and a central controller 2 and a network 3 connected to an extension telephone set via an outgoing register trunk 16 is connected to the controller 2 to constitute a private branch of exchanger, and the storage device 1 is provided with a subscriber data area 5. The area 5 is provided with an outgoing interpreting list indexed with the accomodating location of subscribers and an incoming interpretating list indexed with an incoming subscriber number, and they make setting the subscriber class and the change of the group. A preset secret number code is inputted from the telephone set 4 or a typewriter 15, allowing the use of telephone set to be desired when the lists are coincident with the indexed content.
JP6442881A 1981-04-28 1981-04-28 Private automatic exchange Pending JPS57180291A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6442881A JPS57180291A (en) 1981-04-28 1981-04-28 Private automatic exchange

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6442881A JPS57180291A (en) 1981-04-28 1981-04-28 Private automatic exchange

Publications (1)

Publication Number Publication Date
JPS57180291A true JPS57180291A (en) 1982-11-06

Family

ID=13257991

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6442881A Pending JPS57180291A (en) 1981-04-28 1981-04-28 Private automatic exchange

Country Status (1)

Country Link
JP (1) JPS57180291A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09172661A (en) * 1995-08-24 1997-06-30 Samsung Electron Co Ltd Setting method for extension lock and extension lock method for key phone system

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS544514A (en) * 1977-06-14 1979-01-13 Hitachi Ltd Bothway-stopping and stop-cancellation system of subscriber's terminal of exchange

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS544514A (en) * 1977-06-14 1979-01-13 Hitachi Ltd Bothway-stopping and stop-cancellation system of subscriber's terminal of exchange

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09172661A (en) * 1995-08-24 1997-06-30 Samsung Electron Co Ltd Setting method for extension lock and extension lock method for key phone system

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