JPS5220712A - Call waiting system - Google Patents

Call waiting system

Info

Publication number
JPS5220712A
JPS5220712A JP9727775A JP9727775A JPS5220712A JP S5220712 A JPS5220712 A JP S5220712A JP 9727775 A JP9727775 A JP 9727775A JP 9727775 A JP9727775 A JP 9727775A JP S5220712 A JPS5220712 A JP S5220712A
Authority
JP
Japan
Prior art keywords
call waiting
waiting system
camp
informing
connection
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
JP9727775A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5712348B2 (US06589383-20030708-C00041.png
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 JP9727775A priority Critical patent/JPS5220712A/ja
Publication of JPS5220712A publication Critical patent/JPS5220712A/ja
Publication of JPS5712348B2 publication Critical patent/JPS5712348B2/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
    • H04M3/48—Arrangements for recalling a calling subscriber when the wanted subscriber ceases to be busy

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
JP9727775A 1975-08-11 1975-08-11 Call waiting system Granted JPS5220712A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9727775A JPS5220712A (en) 1975-08-11 1975-08-11 Call waiting system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9727775A JPS5220712A (en) 1975-08-11 1975-08-11 Call waiting system

Publications (2)

Publication Number Publication Date
JPS5220712A true JPS5220712A (en) 1977-02-16
JPS5712348B2 JPS5712348B2 (US06589383-20030708-C00041.png) 1982-03-10

Family

ID=14188016

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9727775A Granted JPS5220712A (en) 1975-08-11 1975-08-11 Call waiting system

Country Status (1)

Country Link
JP (1) JPS5220712A (US06589383-20030708-C00041.png)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4445212A (en) * 1981-10-29 1984-04-24 Gte Automatic Electric Labs Inc. Arrangement for multiple custom calling
US4445211A (en) * 1981-10-29 1984-04-24 Gte Automatic Electric Labs Inc. Arrangement for multiple custom calling
US4446553A (en) * 1981-10-29 1984-05-01 Gte Automatic Electric Labs Inc. Arrangement for multiple custom calling
US4446554A (en) * 1981-10-29 1984-05-01 Gte Automatic Electric Labs Inc. Arrangement for multiple custom calling

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS506281A (US06589383-20030708-C00041.png) * 1973-05-18 1975-01-22

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS506281A (US06589383-20030708-C00041.png) * 1973-05-18 1975-01-22

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4445212A (en) * 1981-10-29 1984-04-24 Gte Automatic Electric Labs Inc. Arrangement for multiple custom calling
US4445211A (en) * 1981-10-29 1984-04-24 Gte Automatic Electric Labs Inc. Arrangement for multiple custom calling
US4446553A (en) * 1981-10-29 1984-05-01 Gte Automatic Electric Labs Inc. Arrangement for multiple custom calling
US4446554A (en) * 1981-10-29 1984-05-01 Gte Automatic Electric Labs Inc. Arrangement for multiple custom calling

Also Published As

Publication number Publication date
JPS5712348B2 (US06589383-20030708-C00041.png) 1982-03-10

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