JPS51138309A - Originating subscriber control system at a time of all origi nating registers being busy - Google Patents

Originating subscriber control system at a time of all origi nating registers being busy

Info

Publication number
JPS51138309A
JPS51138309A JP6199175A JP6199175A JPS51138309A JP S51138309 A JPS51138309 A JP S51138309A JP 6199175 A JP6199175 A JP 6199175A JP 6199175 A JP6199175 A JP 6199175A JP S51138309 A JPS51138309 A JP S51138309A
Authority
JP
Japan
Prior art keywords
registers
time
busy
control system
originating 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
JP6199175A
Other languages
Japanese (ja)
Inventor
Yasuo Kato
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 JP6199175A priority Critical patent/JPS51138309A/en
Publication of JPS51138309A publication Critical patent/JPS51138309A/en
Pending legal-status Critical Current

Links

Landscapes

  • Exchange Systems With Centralized Control (AREA)
  • Devices For Supply Of Signal Current (AREA)

Abstract

PURPOSE: To inform subscribers by an audible signal tone of the indication of all the registers being busy during the time when all the registers are in such condition thereby to avoid bringing the subscribers to soundless condition.
COPYRIGHT: (C)1976,JPO&Japio
JP6199175A 1975-05-26 1975-05-26 Originating subscriber control system at a time of all origi nating registers being busy Pending JPS51138309A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6199175A JPS51138309A (en) 1975-05-26 1975-05-26 Originating subscriber control system at a time of all origi nating registers being busy

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6199175A JPS51138309A (en) 1975-05-26 1975-05-26 Originating subscriber control system at a time of all origi nating registers being busy

Publications (1)

Publication Number Publication Date
JPS51138309A true JPS51138309A (en) 1976-11-29

Family

ID=13187159

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6199175A Pending JPS51138309A (en) 1975-05-26 1975-05-26 Originating subscriber control system at a time of all origi nating registers being busy

Country Status (1)

Country Link
JP (1) JPS51138309A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53148207A (en) * 1977-05-31 1978-12-23 Oki Electric Ind Co Ltd Sending system for connection-specifying tone in busy stator of all incoming lines
JPS57210765A (en) * 1981-06-19 1982-12-24 Nec Corp Telephone exchanger

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53148207A (en) * 1977-05-31 1978-12-23 Oki Electric Ind Co Ltd Sending system for connection-specifying tone in busy stator of all incoming lines
JPS57210765A (en) * 1981-06-19 1982-12-24 Nec Corp Telephone exchanger

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