JPS63177692A - Trunk line incoming system in private electronic branch exchange - Google Patents

Trunk line incoming system in private electronic branch exchange

Info

Publication number
JPS63177692A
JPS63177692A JP799387A JP799387A JPS63177692A JP S63177692 A JPS63177692 A JP S63177692A JP 799387 A JP799387 A JP 799387A JP 799387 A JP799387 A JP 799387A JP S63177692 A JPS63177692 A JP S63177692A
Authority
JP
Japan
Prior art keywords
telephone set
extension
signal
extension telephone
incoming call
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
JP799387A
Other languages
Japanese (ja)
Inventor
Tomoo Hikawa
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP799387A priority Critical patent/JPS63177692A/en
Publication of JPS63177692A publication Critical patent/JPS63177692A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To make the incoming call of a dialing system arrive at an optional telephone set by terminating the incoming call to an extension telephone set, which is located in a storage position to meet an extension designating signal, while referring to the table of a storage device.
CONSTITUTION: When an extension signal is transmitted from a station, a multifrequency signal analyzer 4 analyzes this signal and informs an information to a central control device 5. The device 5 refers to the table, in which the number of the extension designating signal, stored in the storage device 8, and the storage position of the extension telephone set are made to correspond to each other, and it finds out what extension telephone set the incoming call of the direct dialing should be terminated to. Then, it connects the extension telephone set in the storage position to a ringing device 7 through a terminal supervisory equipment 2, and rings a bell. When the extension telephone set is off-hooked, the device 5 disconnects the device 7, and builds up a channel through a dial-in line and a channel switch 6.
COPYRIGHT: (C)1988,JPO&Japio
JP799387A 1987-01-19 1987-01-19 Trunk line incoming system in private electronic branch exchange Pending JPS63177692A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP799387A JPS63177692A (en) 1987-01-19 1987-01-19 Trunk line incoming system in private electronic branch exchange

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP799387A JPS63177692A (en) 1987-01-19 1987-01-19 Trunk line incoming system in private electronic branch exchange

Publications (1)

Publication Number Publication Date
JPS63177692A true JPS63177692A (en) 1988-07-21

Family

ID=11680927

Family Applications (1)

Application Number Title Priority Date Filing Date
JP799387A Pending JPS63177692A (en) 1987-01-19 1987-01-19 Trunk line incoming system in private electronic branch exchange

Country Status (1)

Country Link
JP (1) JPS63177692A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5541992A (en) * 1992-06-11 1996-07-30 Hitachi, Ltd. System for connecting an incoming call to a selected one of a number of extensions

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5541992A (en) * 1992-06-11 1996-07-30 Hitachi, Ltd. System for connecting an incoming call to a selected one of a number of extensions
US5563940A (en) * 1992-06-11 1996-10-08 Hitachi, Ltd. System for connecting an incoming call to a selected one of a number of extensions
US5815564A (en) * 1992-06-11 1998-09-29 Hitachi, Ltd. System for connecting an incoming call to a selected one of a number of extensions

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