JPS6433254U - - Google Patents

Info

Publication number
JPS6433254U
JPS6433254U JP12745287U JP12745287U JPS6433254U JP S6433254 U JPS6433254 U JP S6433254U JP 12745287 U JP12745287 U JP 12745287U JP 12745287 U JP12745287 U JP 12745287U JP S6433254 U JPS6433254 U JP S6433254U
Authority
JP
Japan
Prior art keywords
voice message
doorphone
busy
call
standard telephone
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
JP12745287U
Other languages
Japanese (ja)
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 filed Critical
Priority to JP12745287U priority Critical patent/JPS6433254U/ja
Publication of JPS6433254U publication Critical patent/JPS6433254U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)

Description

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

第1図はこの考案の一実施例を示すブロツク図
、第2図はその動作を示すフローチヤート、第3
図はドアホン呼に対する動作を示すフローチヤー
トである。 1……電話交換機、2……PB外線、4……通
話線、5〜5……電話機、6……保留音源回
路、7……着信検出回路、9……ループ検出回路
、10……フオトサイリスタ、11……呼出信号
音回路、12……リードリレー、13……内線呼
出音回路、14……PBレシーバ回路、16……
機能設定回路、17……マイクロプロセツサ、2
0a,20b……ドアホン、21……ドアホン通
話回路。
Fig. 1 is a block diagram showing an embodiment of this invention, Fig. 2 is a flowchart showing its operation, and Fig. 3 is a block diagram showing an embodiment of this invention.
The figure is a flowchart showing the operation for a doorphone call. DESCRIPTION OF SYMBOLS 1... Telephone exchange, 2... PB outside line, 4... Call line, 5 1 to 5 n ... Telephone, 6... Hold sound source circuit, 7... Incoming call detection circuit, 9... Loop detection circuit, 10... ...Photothyristor, 11... Ringing signal tone circuit, 12... Reed relay, 13... Extension ringing circuit, 14... PB receiver circuit, 16...
Function setting circuit, 17...Microprocessor, 2
0a, 20b... Door phone, 21... Door phone call circuit.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] それぞれ一対の通話線を介して標準電話機およ
びドアホンが接続され、ドアホン呼出中における
標準電話機のオフフツクによつてドアホン応答し
て内線通話路を介してドアホン通話を行なう電話
交換装置において、前記内線通話路が話中である
旨の音声メツセージを送出する音声メツセージ送
出手段と、前記内線通話路が話中か否かを判定す
る判定手段と、標準電話機のドアホン応答時に前
記判定手段の話中出力に基づいて前記音声メツセ
ージ送出手段を起動することを特徴とする電話交
換装置。
In a telephone exchange device in which a standard telephone and a doorbell are connected via a pair of communication lines, and the standard telephone sets off-hook during a call to the doorphone, the doorphone is answered and the doorphone call is made via the extension communication path. voice message transmitting means for transmitting a voice message indicating that the extension line is busy; determining means for determining whether the extension line is busy; and based on the busy output of the determining means when answering the doorbell of a standard telephone. A telephone exchange apparatus characterized in that the voice message sending means is activated by the voice message sending means.
JP12745287U 1987-08-24 1987-08-24 Pending JPS6433254U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12745287U JPS6433254U (en) 1987-08-24 1987-08-24

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12745287U JPS6433254U (en) 1987-08-24 1987-08-24

Publications (1)

Publication Number Publication Date
JPS6433254U true JPS6433254U (en) 1989-03-01

Family

ID=31379898

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12745287U Pending JPS6433254U (en) 1987-08-24 1987-08-24

Country Status (1)

Country Link
JP (1) JPS6433254U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61245787A (en) * 1985-04-24 1986-11-01 Nec Corp Automatic answering doorphone set

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61245787A (en) * 1985-04-24 1986-11-01 Nec Corp Automatic answering doorphone set

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