JPS53100707A - Call back system for connection between stations - Google Patents
Call back system for connection between stationsInfo
- Publication number
- JPS53100707A JPS53100707A JP1528777A JP1528777A JPS53100707A JP S53100707 A JPS53100707 A JP S53100707A JP 1528777 A JP1528777 A JP 1528777A JP 1528777 A JP1528777 A JP 1528777A JP S53100707 A JPS53100707 A JP S53100707A
- Authority
- JP
- Japan
- Prior art keywords
- call back
- stations
- connection
- back system
- enable
- 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
- H04M3/48—Arrangements for recalling a calling subscriber when the wanted subscriber ceases to be busy
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1528777A JPS53100707A (en) | 1977-02-15 | 1977-02-15 | Call back system for connection between stations |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1528777A JPS53100707A (en) | 1977-02-15 | 1977-02-15 | Call back system for connection between stations |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS53100707A true JPS53100707A (en) | 1978-09-02 |
Family
ID=11884624
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1528777A Pending JPS53100707A (en) | 1977-02-15 | 1977-02-15 | Call back system for connection between stations |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS53100707A (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS583453A (ja) * | 1981-06-30 | 1983-01-10 | Toshiba Corp | 局線コ−ルバック方式 |
-
1977
- 1977-02-15 JP JP1528777A patent/JPS53100707A/ja active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS583453A (ja) * | 1981-06-30 | 1983-01-10 | Toshiba Corp | 局線コ−ルバック方式 |
JPS6161746B2 (ja) * | 1981-06-30 | 1986-12-26 | Tokyo Shibaura Electric Co |
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