JPS53123606A - Inter-office callback transfer system - Google Patents

Inter-office callback transfer system

Info

Publication number
JPS53123606A
JPS53123606A JP3832977A JP3832977A JPS53123606A JP S53123606 A JPS53123606 A JP S53123606A JP 3832977 A JP3832977 A JP 3832977A JP 3832977 A JP3832977 A JP 3832977A JP S53123606 A JPS53123606 A JP S53123606A
Authority
JP
Japan
Prior art keywords
inter
office
transfer system
callback
channel
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.)
Pending
Application number
JP3832977A
Other languages
Japanese (ja)
Inventor
Shuhei Sakakibara
Shiyuuji Oka
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 JP3832977A priority Critical patent/JPS53123606A/en
Publication of JPS53123606A publication Critical patent/JPS53123606A/en
Pending 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
    • H04M3/58—Arrangements for transferring received calls from one subscriber to another; Arrangements affording interim conversations between either the calling or the called party and a third party

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)

Abstract

PURPOSE:To hold the economization of the entire system with preventing the degradation of effective use efficiency of the trunk line by using the incoming line as the channel at a callback time and providing another path for the channel at a transfer time.
JP3832977A 1977-04-04 1977-04-04 Inter-office callback transfer system Pending JPS53123606A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3832977A JPS53123606A (en) 1977-04-04 1977-04-04 Inter-office callback transfer system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3832977A JPS53123606A (en) 1977-04-04 1977-04-04 Inter-office callback transfer system

Publications (1)

Publication Number Publication Date
JPS53123606A true JPS53123606A (en) 1978-10-28

Family

ID=12522231

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3832977A Pending JPS53123606A (en) 1977-04-04 1977-04-04 Inter-office callback transfer system

Country Status (1)

Country Link
JP (1) JPS53123606A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5673961A (en) * 1979-11-21 1981-06-19 Nec Corp Transfer system between pbx
JPS6132645A (en) * 1984-07-25 1986-02-15 Hitachi Ltd Inquiry calling and transfer connection system
JPH0230265A (en) * 1988-07-19 1990-01-31 Fujitsu Ltd Inter-station relay call transfer system
JP2006105128A (en) * 2004-10-07 2006-04-20 Lg Electronics Inc Linear compressor

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5673961A (en) * 1979-11-21 1981-06-19 Nec Corp Transfer system between pbx
JPS6132645A (en) * 1984-07-25 1986-02-15 Hitachi Ltd Inquiry calling and transfer connection system
JPH0230265A (en) * 1988-07-19 1990-01-31 Fujitsu Ltd Inter-station relay call transfer system
JP2006105128A (en) * 2004-10-07 2006-04-20 Lg Electronics Inc Linear compressor

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