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JPS52120709A - Common line signal system - Google Patents

Common line signal system

Info

Publication number
JPS52120709A
JPS52120709A JP3800176A JP3800176A JPS52120709A JP S52120709 A JPS52120709 A JP S52120709A JP 3800176 A JP3800176 A JP 3800176A JP 3800176 A JP3800176 A JP 3800176A JP S52120709 A JPS52120709 A JP S52120709A
Authority
JP
Japan
Prior art keywords
common line
line signal
signal system
control information
equivallently
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
JP3800176A
Other languages
Japanese (ja)
Inventor
Sadahiko Kano
Kenichi Kitami
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.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone Corp
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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP3800176A priority Critical patent/JPS52120709A/en
Publication of JPS52120709A publication Critical patent/JPS52120709A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/60—Semi-automatic systems, i.e. in which the numerical selection of the outgoing line is under the control of an operator

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)

Abstract

PURPOSE:To realize transfer of control information such as call connection, etc. between switchboard units and thus to realize the control information transmission route equivallently and easily.
JP3800176A 1976-04-05 1976-04-05 Common line signal system Pending JPS52120709A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3800176A JPS52120709A (en) 1976-04-05 1976-04-05 Common line signal system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3800176A JPS52120709A (en) 1976-04-05 1976-04-05 Common line signal system

Publications (1)

Publication Number Publication Date
JPS52120709A true JPS52120709A (en) 1977-10-11

Family

ID=12513328

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3800176A Pending JPS52120709A (en) 1976-04-05 1976-04-05 Common line signal system

Country Status (1)

Country Link
JP (1) JPS52120709A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56132045A (en) * 1980-02-19 1981-10-16 Rolm Corp Computered branch exchange system
JPS61167260A (en) * 1985-01-18 1986-07-28 Fujitsu Ltd Channel allotting system of common channel signal

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56132045A (en) * 1980-02-19 1981-10-16 Rolm Corp Computered branch exchange system
JPH05895B2 (en) * 1980-02-19 1993-01-07 Shiimensu Puraiueito Komyunikeishon Shisutemuzu Inc
JPS61167260A (en) * 1985-01-18 1986-07-28 Fujitsu Ltd Channel allotting system of common channel signal

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