JPS5282005A - Busy processing system in automatic exchange - Google Patents

Busy processing system in automatic exchange

Info

Publication number
JPS5282005A
JPS5282005A JP15603275A JP15603275A JPS5282005A JP S5282005 A JPS5282005 A JP S5282005A JP 15603275 A JP15603275 A JP 15603275A JP 15603275 A JP15603275 A JP 15603275A JP S5282005 A JPS5282005 A JP S5282005A
Authority
JP
Japan
Prior art keywords
processing system
automatic exchange
busy processing
call
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
JP15603275A
Other languages
Japanese (ja)
Other versions
JPS562979B2 (en
Inventor
Kazunori Fujita
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 JP15603275A priority Critical patent/JPS5282005A/en
Publication of JPS5282005A publication Critical patent/JPS5282005A/en
Publication of JPS562979B2 publication Critical patent/JPS562979B2/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)
  • Exchange Systems With Centralized Control (AREA)

Abstract

PURPOSE:To execute step-call completely and to enable the tunctions of camp-on, interruption and call-waiting to exist together by preparing the hooking information storage circuit.
JP15603275A 1975-12-29 1975-12-29 Busy processing system in automatic exchange Granted JPS5282005A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15603275A JPS5282005A (en) 1975-12-29 1975-12-29 Busy processing system in automatic exchange

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15603275A JPS5282005A (en) 1975-12-29 1975-12-29 Busy processing system in automatic exchange

Publications (2)

Publication Number Publication Date
JPS5282005A true JPS5282005A (en) 1977-07-08
JPS562979B2 JPS562979B2 (en) 1981-01-22

Family

ID=15618812

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15603275A Granted JPS5282005A (en) 1975-12-29 1975-12-29 Busy processing system in automatic exchange

Country Status (1)

Country Link
JP (1) JPS5282005A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5324207A (en) * 1976-08-18 1978-03-06 Matsushita Electric Ind Co Ltd Key telephone set
JPS58108854A (en) * 1981-12-23 1983-06-29 Nec Corp Connection switching shstem for called subscriber
JPS615665A (en) * 1984-06-20 1986-01-11 Nec Eng Ltd Absence transfer system of private of branch of automatic exchange
JPS62118665A (en) * 1985-11-18 1987-05-30 Nec Eng Ltd Extension mutual connection system
JPS63187758A (en) * 1987-01-29 1988-08-03 Fujitsu Ltd Callee calling control system
JPH0427258A (en) * 1990-05-23 1992-01-30 Hitachi Ltd Calling party controlled incoming connection method

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5324207A (en) * 1976-08-18 1978-03-06 Matsushita Electric Ind Co Ltd Key telephone set
JPS58108854A (en) * 1981-12-23 1983-06-29 Nec Corp Connection switching shstem for called subscriber
JPS615665A (en) * 1984-06-20 1986-01-11 Nec Eng Ltd Absence transfer system of private of branch of automatic exchange
JPS62118665A (en) * 1985-11-18 1987-05-30 Nec Eng Ltd Extension mutual connection system
JPS63187758A (en) * 1987-01-29 1988-08-03 Fujitsu Ltd Callee calling control system
JPH0427258A (en) * 1990-05-23 1992-01-30 Hitachi Ltd Calling party controlled incoming connection method

Also Published As

Publication number Publication date
JPS562979B2 (en) 1981-01-22

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