JPS573464A - Interrupting connection system - Google Patents

Interrupting connection system

Info

Publication number
JPS573464A
JPS573464A JP7645680A JP7645680A JPS573464A JP S573464 A JPS573464 A JP S573464A JP 7645680 A JP7645680 A JP 7645680A JP 7645680 A JP7645680 A JP 7645680A JP S573464 A JPS573464 A JP S573464A
Authority
JP
Japan
Prior art keywords
trunk
controller
subscriber
connection
call
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
JP7645680A
Other languages
English (en)
Other versions
JPS6322506B2 (ja
Inventor
Shuhei Sakakibara
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP7645680A priority Critical patent/JPS573464A/ja
Publication of JPS573464A publication Critical patent/JPS573464A/ja
Publication of JPS6322506B2 publication Critical patent/JPS6322506B2/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)
  • Monitoring And Testing Of Exchanges (AREA)
JP7645680A 1980-06-06 1980-06-06 Interrupting connection system Granted JPS573464A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7645680A JPS573464A (en) 1980-06-06 1980-06-06 Interrupting connection system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7645680A JPS573464A (en) 1980-06-06 1980-06-06 Interrupting connection system

Publications (2)

Publication Number Publication Date
JPS573464A true JPS573464A (en) 1982-01-08
JPS6322506B2 JPS6322506B2 (ja) 1988-05-12

Family

ID=13605650

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7645680A Granted JPS573464A (en) 1980-06-06 1980-06-06 Interrupting connection system

Country Status (1)

Country Link
JP (1) JPS573464A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4759055A (en) * 1985-07-25 1988-07-19 Tamura Electric Works, Ltd. Key telephone system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4759055A (en) * 1985-07-25 1988-07-19 Tamura Electric Works, Ltd. Key telephone system

Also Published As

Publication number Publication date
JPS6322506B2 (ja) 1988-05-12

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