JPS52119005A - Switching system having capability of switching connection during call ing - Google Patents

Switching system having capability of switching connection during call ing

Info

Publication number
JPS52119005A
JPS52119005A JP3426676A JP3426676A JPS52119005A JP S52119005 A JPS52119005 A JP S52119005A JP 3426676 A JP3426676 A JP 3426676A JP 3426676 A JP3426676 A JP 3426676A JP S52119005 A JPS52119005 A JP S52119005A
Authority
JP
Japan
Prior art keywords
switching
capability
connection during
during call
call ing
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
JP3426676A
Other languages
Japanese (ja)
Inventor
Toshimichi Tsukatani
Tetsuo Hirayama
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP3426676A priority Critical patent/JPS52119005A/en
Publication of JPS52119005A publication Critical patent/JPS52119005A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/60—Semi-automatic systems, i.e. in which the numerical selection of the outgoing line is under the control of an operator

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Exchange Systems With Centralized Control (AREA)

Abstract

PURPOSE:To expand the switching facility by having the capability of switching connection to the new extension even during calling the called extension.
JP3426676A 1976-03-31 1976-03-31 Switching system having capability of switching connection during call ing Pending JPS52119005A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3426676A JPS52119005A (en) 1976-03-31 1976-03-31 Switching system having capability of switching connection during call ing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3426676A JPS52119005A (en) 1976-03-31 1976-03-31 Switching system having capability of switching connection during call ing

Publications (1)

Publication Number Publication Date
JPS52119005A true JPS52119005A (en) 1977-10-06

Family

ID=12409358

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3426676A Pending JPS52119005A (en) 1976-03-31 1976-03-31 Switching system having capability of switching connection during call ing

Country Status (1)

Country Link
JP (1) JPS52119005A (en)

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