JPS551733A - Call out system for absence transfer telephone - Google Patents

Call out system for absence transfer telephone

Info

Publication number
JPS551733A
JPS551733A JP7441078A JP7441078A JPS551733A JP S551733 A JPS551733 A JP S551733A JP 7441078 A JP7441078 A JP 7441078A JP 7441078 A JP7441078 A JP 7441078A JP S551733 A JPS551733 A JP S551733A
Authority
JP
Japan
Prior art keywords
call
suba
telephone set
subc
absence
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
JP7441078A
Other languages
Japanese (ja)
Inventor
Yukio Kimura
Katsunori Hiwasa
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
Nippon Electric 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP7441078A priority Critical patent/JPS551733A/en
Publication of JPS551733A publication Critical patent/JPS551733A/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
    • H04M3/54—Arrangements for diverting calls for one subscriber to another predetermined subscriber

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Devices For Supply Of Signal Current (AREA)

Abstract

PURPOSE:To increase the communication efficiency, by recognizing it to the caller and called party before the communication start between them whether the call connected in the automatic telephne exchanger is the call be absence transfer or not. CONSTITUTION:when the hand set of the calling telephone set SUBA is hooked up, the telephone set SUBA is connected to the reigster OR with call tone, and when the telephone set SUBA dials A,B,C, the dial signal is fed to the marker MK which connects the intra-office trunk IOT and the called subscriber telephone set SUBC via numbering group frame NGF. The SUBC alarms according to the specific call tone to indicate that the incoming call is the call by absence trans fer. Further, SUBA dials A',B',C', SUBC alarms according to the normal call out signal to indicate that the incoming call is the call not according to the absence transfer. Thus, the caller and called party recognize whether the call is the call ac cording to the absence transfer or not before the communication start for the both, to increase the communication efficiency.
JP7441078A 1978-06-19 1978-06-19 Call out system for absence transfer telephone Pending JPS551733A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7441078A JPS551733A (en) 1978-06-19 1978-06-19 Call out system for absence transfer telephone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7441078A JPS551733A (en) 1978-06-19 1978-06-19 Call out system for absence transfer telephone

Publications (1)

Publication Number Publication Date
JPS551733A true JPS551733A (en) 1980-01-08

Family

ID=13546383

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7441078A Pending JPS551733A (en) 1978-06-19 1978-06-19 Call out system for absence transfer telephone

Country Status (1)

Country Link
JP (1) JPS551733A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57194656A (en) * 1981-05-26 1982-11-30 Nec Corp B board system
JPS5814647A (en) * 1981-07-20 1983-01-27 Oki Electric Ind Co Ltd Display system of calling subscriber information
JPS5817760A (en) * 1981-07-24 1983-02-02 Fujitsu Ltd Incoming call noticing system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57194656A (en) * 1981-05-26 1982-11-30 Nec Corp B board system
JPS5814647A (en) * 1981-07-20 1983-01-27 Oki Electric Ind Co Ltd Display system of calling subscriber information
JPS5817760A (en) * 1981-07-24 1983-02-02 Fujitsu Ltd Incoming call noticing system

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