JPS5215210A - Night call service system - Google Patents

Night call service system

Info

Publication number
JPS5215210A
JPS5215210A JP9080275A JP9080275A JPS5215210A JP S5215210 A JPS5215210 A JP S5215210A JP 9080275 A JP9080275 A JP 9080275A JP 9080275 A JP9080275 A JP 9080275A JP S5215210 A JPS5215210 A JP S5215210A
Authority
JP
Japan
Prior art keywords
service system
call service
night call
night
busy
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
JP9080275A
Other languages
English (en)
Japanese (ja)
Other versions
JPS579543B2 (enrdf_load_stackoverflow
Inventor
Kuniaki Itabashi
Shinichi Tsuda
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.)
Meisei Electric Co Ltd
Original Assignee
Meisei Electric Co 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 Meisei Electric Co Ltd filed Critical Meisei Electric Co Ltd
Priority to JP9080275A priority Critical patent/JPS5215210A/ja
Publication of JPS5215210A publication Critical patent/JPS5215210A/ja
Publication of JPS579543B2 publication Critical patent/JPS579543B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/46—Arrangements for calling a number of substations in a predetermined sequence until an answer is obtained

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Exchange Systems With Centralized Control (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
JP9080275A 1975-07-25 1975-07-25 Night call service system Granted JPS5215210A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9080275A JPS5215210A (en) 1975-07-25 1975-07-25 Night call service system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9080275A JPS5215210A (en) 1975-07-25 1975-07-25 Night call service system

Publications (2)

Publication Number Publication Date
JPS5215210A true JPS5215210A (en) 1977-02-04
JPS579543B2 JPS579543B2 (enrdf_load_stackoverflow) 1982-02-22

Family

ID=14008710

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9080275A Granted JPS5215210A (en) 1975-07-25 1975-07-25 Night call service system

Country Status (1)

Country Link
JP (1) JPS5215210A (enrdf_load_stackoverflow)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4942244A (enrdf_load_stackoverflow) * 1972-05-15 1974-04-20

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4942244A (enrdf_load_stackoverflow) * 1972-05-15 1974-04-20

Also Published As

Publication number Publication date
JPS579543B2 (enrdf_load_stackoverflow) 1982-02-22

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