JPS6239868B2 - - Google Patents
Info
- Publication number
- JPS6239868B2 JPS6239868B2 JP2252581A JP2252581A JPS6239868B2 JP S6239868 B2 JPS6239868 B2 JP S6239868B2 JP 2252581 A JP2252581 A JP 2252581A JP 2252581 A JP2252581 A JP 2252581A JP S6239868 B2 JPS6239868 B2 JP S6239868B2
- Authority
- JP
- Japan
- Prior art keywords
- notification
- reporting
- transfer
- switch
- sub
- 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.)
- Expired
Links
- 230000010355 oscillation Effects 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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
- H04M3/50—Centralised arrangements for answering calls; Centralised arrangements for recording messages for absent or busy subscribers ; Centralised arrangements for recording messages
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2252581A JPS57136852A (en) | 1981-02-18 | 1981-02-18 | Informing device equipped with centralizing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2252581A JPS57136852A (en) | 1981-02-18 | 1981-02-18 | Informing device equipped with centralizing function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57136852A JPS57136852A (en) | 1982-08-24 |
| JPS6239868B2 true JPS6239868B2 (enrdf_load_stackoverflow) | 1987-08-25 |
Family
ID=12085197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2252581A Granted JPS57136852A (en) | 1981-02-18 | 1981-02-18 | Informing device equipped with centralizing function |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57136852A (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60180362A (ja) * | 1984-02-28 | 1985-09-14 | Tokyo Tatsuno Co Ltd | インタ−ホン |
-
1981
- 1981-02-18 JP JP2252581A patent/JPS57136852A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57136852A (en) | 1982-08-24 |
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