JPS6481449A - Busystate interruption incoming control system in telephone exchange - Google Patents

Busystate interruption incoming control system in telephone exchange

Info

Publication number
JPS6481449A
JPS6481449A JP23950187A JP23950187A JPS6481449A JP S6481449 A JPS6481449 A JP S6481449A JP 23950187 A JP23950187 A JP 23950187A JP 23950187 A JP23950187 A JP 23950187A JP S6481449 A JPS6481449 A JP S6481449A
Authority
JP
Japan
Prior art keywords
subscriber
interruption
talking
hooking
inhibition
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
JP23950187A
Other languages
Japanese (ja)
Inventor
Akira Kawada
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 JP23950187A priority Critical patent/JPS6481449A/en
Publication of JPS6481449A publication Critical patent/JPS6481449A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE:To allow a subscriber making interruption call newly to listen to a busy tone properly without giving disturbance to an interruption signal tone to talking of a service offered party in the talking state by inhibiting the interruption of an incoming call after the hooking point of time by the hooking during talking of the interruption incoming service offered party during busy state. CONSTITUTION:Subscribers A, B start talking and the subscriber A recognizes it to be an important call requiring the interruption inhibition, the subscriber A applies hooking. When other subscriber is not requiesting interruption or interrups the subscriber A, the CPU decides a hooking signal to be an interruption inhibition signal and the CPU registers it that the subscriber A is in the interruption inhibition state. When the subscriber C makes a call to the subscriber A during the interruption inhibition of the subscriber, the CPU connects the subscriber C and a busy tone trunk BT to allow the subscriber C to listen to a busy tone and no processing is given to the subscribers A, B. When the talking between the subscribers A, B is finished, the interruption inhibition of the subscriber A is released.
JP23950187A 1987-09-22 1987-09-22 Busystate interruption incoming control system in telephone exchange Pending JPS6481449A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP23950187A JPS6481449A (en) 1987-09-22 1987-09-22 Busystate interruption incoming control system in telephone exchange

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP23950187A JPS6481449A (en) 1987-09-22 1987-09-22 Busystate interruption incoming control system in telephone exchange

Publications (1)

Publication Number Publication Date
JPS6481449A true JPS6481449A (en) 1989-03-27

Family

ID=17045724

Family Applications (1)

Application Number Title Priority Date Filing Date
JP23950187A Pending JPS6481449A (en) 1987-09-22 1987-09-22 Busystate interruption incoming control system in telephone exchange

Country Status (1)

Country Link
JP (1) JPS6481449A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0691776A2 (en) * 1994-06-27 1996-01-10 Fujitsu Limited Method and switching system for automatically controlling a call-waiting-interruption restriction and switching system
KR970078353A (en) * 1996-05-16 1997-12-12 김광호 How to reject incoming calls in the keyphone system
JPH10173782A (en) * 1996-12-13 1998-06-26 Nec Corp Equipment, method for controlling communication and communication system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0691776A2 (en) * 1994-06-27 1996-01-10 Fujitsu Limited Method and switching system for automatically controlling a call-waiting-interruption restriction and switching system
EP0691776A3 (en) * 1994-06-27 1999-10-20 Fujitsu Limited Method and switching system for automatically controlling a call-waiting-interruption restriction and switching system
KR970078353A (en) * 1996-05-16 1997-12-12 김광호 How to reject incoming calls in the keyphone system
JPH10173782A (en) * 1996-12-13 1998-06-26 Nec Corp Equipment, method for controlling communication and communication system

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