JPS57133753A - Presence informing system - Google Patents

Presence informing system

Info

Publication number
JPS57133753A
JPS57133753A JP1946481A JP1946481A JPS57133753A JP S57133753 A JPS57133753 A JP S57133753A JP 1946481 A JP1946481 A JP 1946481A JP 1946481 A JP1946481 A JP 1946481A JP S57133753 A JPS57133753 A JP S57133753A
Authority
JP
Japan
Prior art keywords
sender
display
subscriber
absence
signal
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
JP1946481A
Other languages
Japanese (ja)
Inventor
Isao Fushimi
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP1946481A priority Critical patent/JPS57133753A/en
Publication of JPS57133753A publication Critical patent/JPS57133753A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers

Abstract

PURPOSE:To eliminate the need for wirings for presence display and controllers for presence and to make the cost low, by providing a sender to an existing exchanger and performing the presence display control via the sender. CONSTITUTION:An exchanger receiving the presence/absence information from a subscriber 1 connects a subscriber 1 with a dial reception register 9 and informs it to a central controller 7 with a dial discrimination information 13. This presence/absence information is stored in an absence information area 4 of a main storage device 8. Further, the exchanger makes connection via a network 6 through the control of the device 7 for a presence display device 5 of a subscriber 2 and a presence display signal sender 10. The device 5 receives a signal from the sender 10 and turns on or off the presence/absence display of the subscriber 1. As far as the signal of the sender 10 is not newly incoming, the display state is kept. If the parties to be informed are in a plurality, the connection of the sender 10 is sequentially repeated and the presence/absence display device of the subscribers is turned on or off through the contents of an informed list area 3 of the device 8.
JP1946481A 1981-02-12 1981-02-12 Presence informing system Pending JPS57133753A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1946481A JPS57133753A (en) 1981-02-12 1981-02-12 Presence informing system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1946481A JPS57133753A (en) 1981-02-12 1981-02-12 Presence informing system

Publications (1)

Publication Number Publication Date
JPS57133753A true JPS57133753A (en) 1982-08-18

Family

ID=12000039

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1946481A Pending JPS57133753A (en) 1981-02-12 1981-02-12 Presence informing system

Country Status (1)

Country Link
JP (1) JPS57133753A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS595770A (en) * 1982-07-01 1984-01-12 Nec Corp Display service system for presence and absence on seat
JPS6046162A (en) * 1983-08-22 1985-03-12 Tatsuta Electric Wire & Cable Co Ltd Service information centralized management system
JPS60229464A (en) * 1984-04-26 1985-11-14 Toshiba Corp Command transmission system of telephone exchange system
JPS6371797A (en) * 1986-09-12 1988-04-01 シャープ株式会社 Destination indication system utilizing telephone set
JPS63214054A (en) * 1987-03-02 1988-09-06 Nissan Kooee:Kk Telephone system

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS595770A (en) * 1982-07-01 1984-01-12 Nec Corp Display service system for presence and absence on seat
JPS6333829B2 (en) * 1982-07-01 1988-07-07 Nippon Electric Co
JPS6046162A (en) * 1983-08-22 1985-03-12 Tatsuta Electric Wire & Cable Co Ltd Service information centralized management system
JPS60229464A (en) * 1984-04-26 1985-11-14 Toshiba Corp Command transmission system of telephone exchange system
JPH0636525B2 (en) * 1984-04-26 1994-05-11 株式会社東芝 Telephone exchange system
JPS6371797A (en) * 1986-09-12 1988-04-01 シャープ株式会社 Destination indication system utilizing telephone set
JPH0520799B2 (en) * 1986-09-12 1993-03-22 Sharp Kk
JPS63214054A (en) * 1987-03-02 1988-09-06 Nissan Kooee:Kk Telephone system

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