JPS52139309A - Telephone switching system - Google Patents

Telephone switching system

Info

Publication number
JPS52139309A
JPS52139309A JP5134677A JP5134677A JPS52139309A JP S52139309 A JPS52139309 A JP S52139309A JP 5134677 A JP5134677 A JP 5134677A JP 5134677 A JP5134677 A JP 5134677A JP S52139309 A JPS52139309 A JP S52139309A
Authority
JP
Japan
Prior art keywords
switching system
telephone switching
telephone
switching
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
JP5134677A
Other languages
Japanese (ja)
Inventor
Taanaa Hiruzu Maikeru
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.)
Cable and Wireless Ltd
Original Assignee
Cable and Wireless 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 Cable and Wireless Ltd filed Critical Cable and Wireless Ltd
Publication of JPS52139309A publication Critical patent/JPS52139309A/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)
  • Monitoring And Testing Of Exchanges (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
JP5134677A 1976-05-06 1977-05-06 Telephone switching system Pending JPS52139309A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1852976 1976-05-06

Publications (1)

Publication Number Publication Date
JPS52139309A true JPS52139309A (en) 1977-11-21

Family

ID=10113992

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5134677A Pending JPS52139309A (en) 1976-05-06 1977-05-06 Telephone switching system

Country Status (7)

Country Link
JP (1) JPS52139309A (en)
BE (1) BE854307A (en)
DE (1) DE2719934A1 (en)
FR (1) FR2350755A1 (en)
IT (1) IT1079656B (en)
NL (1) NL7705034A (en)
SE (1) SE7705314L (en)

Also Published As

Publication number Publication date
IT1079656B (en) 1985-05-13
SE7705314L (en) 1977-11-07
NL7705034A (en) 1977-11-08
DE2719934A1 (en) 1977-11-17
FR2350755A1 (en) 1977-12-02
BE854307A (en) 1977-11-07

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