JPS57107666A - Extension button callout control system for button telephone set - Google Patents

Extension button callout control system for button telephone set

Info

Publication number
JPS57107666A
JPS57107666A JP18351180A JP18351180A JPS57107666A JP S57107666 A JPS57107666 A JP S57107666A JP 18351180 A JP18351180 A JP 18351180A JP 18351180 A JP18351180 A JP 18351180A JP S57107666 A JPS57107666 A JP S57107666A
Authority
JP
Japan
Prior art keywords
telephone set
button
tone
extension
callout
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.)
Granted
Application number
JP18351180A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6339198B2 (enrdf_load_stackoverflow
Inventor
Katsuo Suzuki
Toyoji Matsuda
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.)
HASEGAWA DENKI SEISAKUSHO KK
Fujitsu Ltd
Original Assignee
HASEGAWA DENKI SEISAKUSHO KK
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 HASEGAWA DENKI SEISAKUSHO KK, Fujitsu Ltd filed Critical HASEGAWA DENKI SEISAKUSHO KK
Priority to JP18351180A priority Critical patent/JPS57107666A/ja
Publication of JPS57107666A publication Critical patent/JPS57107666A/ja
Publication of JPS6339198B2 publication Critical patent/JPS6339198B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/002—Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems
    • H04M9/005—Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems with subscriber controlled access to an exchange line

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
JP18351180A 1980-12-24 1980-12-24 Extension button callout control system for button telephone set Granted JPS57107666A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18351180A JPS57107666A (en) 1980-12-24 1980-12-24 Extension button callout control system for button telephone set

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18351180A JPS57107666A (en) 1980-12-24 1980-12-24 Extension button callout control system for button telephone set

Publications (2)

Publication Number Publication Date
JPS57107666A true JPS57107666A (en) 1982-07-05
JPS6339198B2 JPS6339198B2 (enrdf_load_stackoverflow) 1988-08-03

Family

ID=16137113

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18351180A Granted JPS57107666A (en) 1980-12-24 1980-12-24 Extension button callout control system for button telephone set

Country Status (1)

Country Link
JP (1) JPS57107666A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07206007A (ja) * 1994-01-14 1995-08-08 Ube Package Kk 梱包用具

Also Published As

Publication number Publication date
JPS6339198B2 (enrdf_load_stackoverflow) 1988-08-03

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