JPS57174969A - Busy incoming system - Google Patents

Busy incoming system

Info

Publication number
JPS57174969A
JPS57174969A JP5953481A JP5953481A JPS57174969A JP S57174969 A JPS57174969 A JP S57174969A JP 5953481 A JP5953481 A JP 5953481A JP 5953481 A JP5953481 A JP 5953481A JP S57174969 A JPS57174969 A JP S57174969A
Authority
JP
Japan
Prior art keywords
subscriber
switchboard
interrupting
interruption
message
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
JP5953481A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6247023B2 (enrdf_load_stackoverflow
Inventor
Reijiro Fukutomi
Takashi Omori
Naohiko Kamae
Yuichi Sato
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 JP5953481A priority Critical patent/JPS57174969A/ja
Publication of JPS57174969A publication Critical patent/JPS57174969A/ja
Publication of JPS6247023B2 publication Critical patent/JPS6247023B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/20—Automatic or semi-automatic exchanges with means for interrupting existing connections; with means for breaking-in on conversations

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
JP5953481A 1981-04-20 1981-04-20 Busy incoming system Granted JPS57174969A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5953481A JPS57174969A (en) 1981-04-20 1981-04-20 Busy incoming system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5953481A JPS57174969A (en) 1981-04-20 1981-04-20 Busy incoming system

Publications (2)

Publication Number Publication Date
JPS57174969A true JPS57174969A (en) 1982-10-27
JPS6247023B2 JPS6247023B2 (enrdf_load_stackoverflow) 1987-10-06

Family

ID=13116018

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5953481A Granted JPS57174969A (en) 1981-04-20 1981-04-20 Busy incoming system

Country Status (1)

Country Link
JP (1) JPS57174969A (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5839154A (ja) * 1981-08-31 1983-03-07 Fujitsu Ltd 割込呼識別制御方式
EP0318428A1 (fr) * 1987-11-27 1989-05-31 François Joseph Camperio Dispositif de communication
EP0692901A3 (en) * 1994-07-01 1998-09-02 AT&T Corp. Intelligent call waiting

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5839154A (ja) * 1981-08-31 1983-03-07 Fujitsu Ltd 割込呼識別制御方式
EP0318428A1 (fr) * 1987-11-27 1989-05-31 François Joseph Camperio Dispositif de communication
EP0692901A3 (en) * 1994-07-01 1998-09-02 AT&T Corp. Intelligent call waiting

Also Published As

Publication number Publication date
JPS6247023B2 (enrdf_load_stackoverflow) 1987-10-06

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