JPS6322506B2 - - Google Patents

Info

Publication number
JPS6322506B2
JPS6322506B2 JP7645680A JP7645680A JPS6322506B2 JP S6322506 B2 JPS6322506 B2 JP S6322506B2 JP 7645680 A JP7645680 A JP 7645680A JP 7645680 A JP7645680 A JP 7645680A JP S6322506 B2 JPS6322506 B2 JP S6322506B2
Authority
JP
Japan
Prior art keywords
subscriber
trunk
interrupt
information
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.)
Expired
Application number
JP7645680A
Other languages
English (en)
Japanese (ja)
Other versions
JPS573464A (en
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
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 Nippon Electric Co Ltd filed Critical Nippon Electric Co Ltd
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 JPS573464A (en) 1982-01-08
JPS6322506B2 true JPS6322506B2 (US07655688-20100202-C00086.png) 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 (US07655688-20100202-C00086.png)

Families Citing this family (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
JPS573464A (en) 1982-01-08

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