JPS52127106A - Trunk connecting system for tone - Google Patents

Trunk connecting system for tone

Info

Publication number
JPS52127106A
JPS52127106A JP4372476A JP4372476A JPS52127106A JP S52127106 A JPS52127106 A JP S52127106A JP 4372476 A JP4372476 A JP 4372476A JP 4372476 A JP4372476 A JP 4372476A JP S52127106 A JPS52127106 A JP S52127106A
Authority
JP
Japan
Prior art keywords
tone
connecting system
trunk connecting
trunk
ict
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
JP4372476A
Other languages
Japanese (ja)
Inventor
Kozo Osawa
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 JP4372476A priority Critical patent/JPS52127106A/en
Publication of JPS52127106A publication Critical patent/JPS52127106A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Exchange Systems With Centralized Control (AREA)
  • Interface Circuits In Exchanges (AREA)

Abstract

PURPOSE:To obtain the economical tone by the trunk circuit by providing the two terminals for intra-office subscriber and the terminal for ICT in the tone trunk to the network on the electronic switchboard.
JP4372476A 1976-04-19 1976-04-19 Trunk connecting system for tone Pending JPS52127106A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4372476A JPS52127106A (en) 1976-04-19 1976-04-19 Trunk connecting system for tone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4372476A JPS52127106A (en) 1976-04-19 1976-04-19 Trunk connecting system for tone

Publications (1)

Publication Number Publication Date
JPS52127106A true JPS52127106A (en) 1977-10-25

Family

ID=12671727

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4372476A Pending JPS52127106A (en) 1976-04-19 1976-04-19 Trunk connecting system for tone

Country Status (1)

Country Link
JP (1) JPS52127106A (en)

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