KR910013567U - DTMF generator for electronic exchange - Google Patents

DTMF generator for electronic exchange

Info

Publication number
KR910013567U
KR910013567U KR2019890020420U KR890020420U KR910013567U KR 910013567 U KR910013567 U KR 910013567U KR 2019890020420 U KR2019890020420 U KR 2019890020420U KR 890020420 U KR890020420 U KR 890020420U KR 910013567 U KR910013567 U KR 910013567U
Authority
KR
South Korea
Prior art keywords
electronic exchange
dtmf generator
dtmf
generator
exchange
Prior art date
Application number
KR2019890020420U
Other languages
Korean (ko)
Other versions
KR950002862Y1 (en
Inventor
김삼수
Original Assignee
금성통신 주식회사
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 금성통신 주식회사 filed Critical 금성통신 주식회사
Priority to KR2019890020420U priority Critical patent/KR950002862Y1/en
Publication of KR910013567U publication Critical patent/KR910013567U/en
Application granted granted Critical
Publication of KR950002862Y1 publication Critical patent/KR950002862Y1/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M7/00—Arrangements for interconnection between switching centres
    • H04M7/12—Arrangements for interconnection between switching centres for working between exchanges having different types of switching equipment, e.g. power-driven and step by step or decimal and non-decimal
    • H04M7/1205—Arrangements for interconnection between switching centres for working between exchanges having different types of switching equipment, e.g. power-driven and step by step or decimal and non-decimal where the types of switching equipement comprises PSTN/ISDN equipment and switching equipment of networks other than PSTN/ISDN, e.g. Internet Protocol networks
    • H04M7/1295—Details of dual tone multiple frequency signalling

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Time-Division Multiplex Systems (AREA)
KR2019890020420U 1989-12-29 1989-12-29 Dtmf generating device for electronic exchanger KR950002862Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019890020420U KR950002862Y1 (en) 1989-12-29 1989-12-29 Dtmf generating device for electronic exchanger

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019890020420U KR950002862Y1 (en) 1989-12-29 1989-12-29 Dtmf generating device for electronic exchanger

Publications (2)

Publication Number Publication Date
KR910013567U true KR910013567U (en) 1991-07-30
KR950002862Y1 KR950002862Y1 (en) 1995-04-15

Family

ID=19294453

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019890020420U KR950002862Y1 (en) 1989-12-29 1989-12-29 Dtmf generating device for electronic exchanger

Country Status (1)

Country Link
KR (1) KR950002862Y1 (en)

Also Published As

Publication number Publication date
KR950002862Y1 (en) 1995-04-15

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Legal Events

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Year of fee payment: 4

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