JPS52109311A - Communication monitoring system - Google Patents

Communication monitoring system

Info

Publication number
JPS52109311A
JPS52109311A JP2511376A JP2511376A JPS52109311A JP S52109311 A JPS52109311 A JP S52109311A JP 2511376 A JP2511376 A JP 2511376A JP 2511376 A JP2511376 A JP 2511376A JP S52109311 A JPS52109311 A JP S52109311A
Authority
JP
Japan
Prior art keywords
monitoring system
communication monitoring
communication circuit
exchange
monitoring device
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
JP2511376A
Other languages
Japanese (ja)
Inventor
Susumu Obara
Yuzo Maeda
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 JP2511376A priority Critical patent/JPS52109311A/en
Publication of JPS52109311A publication Critical patent/JPS52109311A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing

Abstract

PURPOSE:To make it possible that a communication circuit, in which a monitoring device is contained, is multiplex-connected to a call connection, to which monitoring is required, by the function of the exchange, by connecting a monitoring device to one communication circuit of the exchange regularly.
JP2511376A 1976-03-10 1976-03-10 Communication monitoring system Pending JPS52109311A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2511376A JPS52109311A (en) 1976-03-10 1976-03-10 Communication monitoring system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2511376A JPS52109311A (en) 1976-03-10 1976-03-10 Communication monitoring system

Publications (1)

Publication Number Publication Date
JPS52109311A true JPS52109311A (en) 1977-09-13

Family

ID=12156862

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2511376A Pending JPS52109311A (en) 1976-03-10 1976-03-10 Communication monitoring system

Country Status (1)

Country Link
JP (1) JPS52109311A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6072459A (en) * 1983-09-29 1985-04-24 Oki Electric Ind Co Ltd Signal monitoring system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6072459A (en) * 1983-09-29 1985-04-24 Oki Electric Ind Co Ltd Signal monitoring system

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