JPS562979B2 - - Google Patents
Info
- Publication number
- JPS562979B2 JPS562979B2 JP15603275A JP15603275A JPS562979B2 JP S562979 B2 JPS562979 B2 JP S562979B2 JP 15603275 A JP15603275 A JP 15603275A JP 15603275 A JP15603275 A JP 15603275A JP S562979 B2 JPS562979 B2 JP S562979B2
- Authority
- JP
- Japan
- 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
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
- H04M3/48—Arrangements for recalling a calling subscriber when the wanted subscriber ceases to be busy
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Exchange Systems With Centralized Control (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15603275A JPS5282005A (en) | 1975-12-29 | 1975-12-29 | Busy processing system in automatic exchange |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15603275A JPS5282005A (en) | 1975-12-29 | 1975-12-29 | Busy processing system in automatic exchange |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5282005A JPS5282005A (en) | 1977-07-08 |
| JPS562979B2 true JPS562979B2 (ja) | 1981-01-22 |
Family
ID=15618812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15603275A Granted JPS5282005A (en) | 1975-12-29 | 1975-12-29 | Busy processing system in automatic exchange |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5282005A (ja) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5324207A (en) * | 1976-08-18 | 1978-03-06 | Matsushita Electric Ind Co Ltd | Key telephone set |
| JPS58108854A (ja) * | 1981-12-23 | 1983-06-29 | Nec Corp | 被呼加入者の接続替え方式 |
| JPS615665A (ja) * | 1984-06-20 | 1986-01-11 | Nec Eng Ltd | 自動構内交換装置の不応答転送方式 |
| JPS62118665A (ja) * | 1985-11-18 | 1987-05-30 | Nec Eng Ltd | 内線相互接続方式 |
| JPS63187758A (ja) * | 1987-01-29 | 1988-08-03 | Fujitsu Ltd | 被呼者呼出制御方式 |
| JPH0427258A (ja) * | 1990-05-23 | 1992-01-30 | Hitachi Ltd | 発側制御着信接続方式 |
-
1975
- 1975-12-29 JP JP15603275A patent/JPS5282005A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5282005A (en) | 1977-07-08 |