JPS6481560A - Isdn subscriber monitoring equipment - Google Patents

Isdn subscriber monitoring equipment

Info

Publication number
JPS6481560A
JPS6481560A JP23741287A JP23741287A JPS6481560A JP S6481560 A JPS6481560 A JP S6481560A JP 23741287 A JP23741287 A JP 23741287A JP 23741287 A JP23741287 A JP 23741287A JP S6481560 A JPS6481560 A JP S6481560A
Authority
JP
Japan
Prior art keywords
monitoring
subscriber
line
control section
monitoring equipment
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
JP23741287A
Other languages
Japanese (ja)
Inventor
Makoto Yoshida
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.)
NEC Corp
Original Assignee
NEC Corp
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 NEC Corp filed Critical NEC Corp
Priority to JP23741287A priority Critical patent/JPS6481560A/en
Publication of JPS6481560A publication Critical patent/JPS6481560A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE:To confirm the normality of speech in three stages by switching a monitoring interface section and monitoring both sides or a monitoring object subscriber or one side of a called party. CONSTITUTION:An ISDN subscriber's equipment 1 such as a subscriber terminal equipment or a telephone set applies data or voice transmission/reception with a line exchange 4. A monitoring lead is connected respectively to a primary highway at the subscriber line side of the subscriber circuit 5 on its way, between the subscriber circuit 5 and a subscriber line control section 6, and a secondary highway between the subscriber line control section 6 and the line exchange 4, a respective monitoring lead is switched in the monitoring control section 7 and the data and voice of both the parties are sent to a monitoring interface section 3 via two B channels of the monitoring line 8.
JP23741287A 1987-09-24 1987-09-24 Isdn subscriber monitoring equipment Pending JPS6481560A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP23741287A JPS6481560A (en) 1987-09-24 1987-09-24 Isdn subscriber monitoring equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP23741287A JPS6481560A (en) 1987-09-24 1987-09-24 Isdn subscriber monitoring equipment

Publications (1)

Publication Number Publication Date
JPS6481560A true JPS6481560A (en) 1989-03-27

Family

ID=17014985

Family Applications (1)

Application Number Title Priority Date Filing Date
JP23741287A Pending JPS6481560A (en) 1987-09-24 1987-09-24 Isdn subscriber monitoring equipment

Country Status (1)

Country Link
JP (1) JPS6481560A (en)

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