JPS611960U - Free incoming trunk - Google Patents

Free incoming trunk

Info

Publication number
JPS611960U
JPS611960U JP8625484U JP8625484U JPS611960U JP S611960 U JPS611960 U JP S611960U JP 8625484 U JP8625484 U JP 8625484U JP 8625484 U JP8625484 U JP 8625484U JP S611960 U JPS611960 U JP S611960U
Authority
JP
Japan
Prior art keywords
incoming
free
toll
calls
incoming trunk
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
JP8625484U
Other languages
Japanese (ja)
Inventor
友弘 藤田
Original Assignee
日本電気株式会社
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 日本電気株式会社 filed Critical 日本電気株式会社
Priority to JP8625484U priority Critical patent/JPS611960U/en
Publication of JPS611960U publication Critical patent/JPS611960U/en
Pending legal-status Critical Current

Links

Landscapes

  • Meter Arrangements (AREA)
  • Interface Circuits In Exchanges (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本考案の着信無料トランクの中継方式図、第２
図は従来の着信無料トランクの一例を示す回路図、第３
図は本考案に係る自動トランクの一実施例を示す回路構
成図である。 ＦＬＴ・・・着信無料トランク、α■・・・出トランク
、ＩＣＴ・・・入トランク、Ａ，ＯＲＧ，ＴＥＲ・・・
リレーＯFigure 1 is a relay system diagram of the toll-free trunk of the present invention, Figure 2
The figure is a circuit diagram showing an example of a conventional toll-free trunk.
The figure is a circuit configuration diagram showing an embodiment of an automatic trunk according to the present invention. FLT...Free incoming trunk, α■...Outgoing trunk, ICT...Incoming trunk, A, ORG, TER...
Relay O

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 自動交換機の着信無料トランクにおいて、交換機に収容
する際発信専用及び着信専用の２端子に収容し、′着信
回路側に着信無料にする機能を具備し、発信端子側で通
話中の場合及び着信後の受話機外しの場合には着信側端
子を話中状態にする機能を具備し、電話機１台で発信及
び着信無料着信を可能とすることを特徴とする着信無料
トランIn the toll-free incoming trunk of an automatic exchange, when it is accommodated in the exchange, it is accommodated in two terminals, one for outgoing calls and one for incoming calls, and the incoming circuit is equipped with a function to make incoming calls toll-free. A toll-free incoming call transceiver is equipped with a function that puts the incoming terminal into a busy state when the handset is removed, making it possible to make and receive calls free of charge using a single telephone.
JP8625484U 1984-06-11 1984-06-11 Free incoming trunk Pending JPS611960U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8625484U JPS611960U (en) 1984-06-11 1984-06-11 Free incoming trunk

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8625484U JPS611960U (en) 1984-06-11 1984-06-11 Free incoming trunk

Publications (1)

Publication Number Publication Date
JPS611960U true JPS611960U (en) 1986-01-08

Family

ID=30637389

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8625484U Pending JPS611960U (en) 1984-06-11 1984-06-11 Free incoming trunk

Country Status (1)

Country Link
JP (1) JPS611960U (en)

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