JPS5791065A - Malacious call processing system for unattended exchanger - Google Patents

Malacious call processing system for unattended exchanger

Info

Publication number
JPS5791065A
JPS5791065A JP16670480A JP16670480A JPS5791065A JP S5791065 A JPS5791065 A JP S5791065A JP 16670480 A JP16670480 A JP 16670480A JP 16670480 A JP16670480 A JP 16670480A JP S5791065 A JPS5791065 A JP S5791065A
Authority
JP
Japan
Prior art keywords
call
malacious
reception
channel
subscriber
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
JP16670480A
Other languages
Japanese (ja)
Inventor
Osamu Kaneko
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 JP16670480A priority Critical patent/JPS5791065A/en
Publication of JPS5791065A publication Critical patent/JPS5791065A/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)

Abstract

PURPOSE:To enable to transmit the reception of a malacious call to other aribitrary subscriber, by providing an exclusive communication line at the reception of malacious call with a malacious call trunk. CONSTITUTION:A normal incoming call channel L1 and a malacious call reception communication channel L2 are provided between a malacious call trunk 1 and a frame 2, and if a subscriber SA makes a call with a caller at the reception of a malacious call and it is known as a malacious call, the normal channel L1 is held through hooking operation and a normal call start connection by using the channel L2 at the same time, allowing to connect to other arbitrary subscriber through dialing, and the call is fixed to a malacious call trunk and the reception of malacious call can be informed to the service personnel of malacious call to be connected.
JP16670480A 1980-11-28 1980-11-28 Malacious call processing system for unattended exchanger Pending JPS5791065A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16670480A JPS5791065A (en) 1980-11-28 1980-11-28 Malacious call processing system for unattended exchanger

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16670480A JPS5791065A (en) 1980-11-28 1980-11-28 Malacious call processing system for unattended exchanger

Publications (1)

Publication Number Publication Date
JPS5791065A true JPS5791065A (en) 1982-06-07

Family

ID=15836204

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16670480A Pending JPS5791065A (en) 1980-11-28 1980-11-28 Malacious call processing system for unattended exchanger

Country Status (1)

Country Link
JP (1) JPS5791065A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4952902A (en) * 1987-03-17 1990-08-28 Tdk Corporation Thermistor materials and elements

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4952902A (en) * 1987-03-17 1990-08-28 Tdk Corporation Thermistor materials and elements

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