JPS551733A - Call out system for absence transfer telephone - Google Patents
Call out system for absence transfer telephoneInfo
- 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
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.
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)
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 |
-
1978
- 1978-06-19 JP JP7441078A patent/JPS551733A/en active Pending
Cited By (3)
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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