JPS56111365A - Call waiting system - Google Patents
Call waiting systemInfo
- Publication number
- JPS56111365A JPS56111365A JP1367280A JP1367280A JPS56111365A JP S56111365 A JPS56111365 A JP S56111365A JP 1367280 A JP1367280 A JP 1367280A JP 1367280 A JP1367280 A JP 1367280A JP S56111365 A JPS56111365 A JP S56111365A
- Authority
- JP
- Japan
- Prior art keywords
- voice
- subscriber
- call waiting
- trunk
- waiting sound
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1367280A JPS56111365A (en) | 1980-02-08 | 1980-02-08 | Call waiting system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1367280A JPS56111365A (en) | 1980-02-08 | 1980-02-08 | Call waiting system |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS56111365A true JPS56111365A (en) | 1981-09-03 |
Family
ID=11839678
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1367280A Pending JPS56111365A (en) | 1980-02-08 | 1980-02-08 | Call waiting system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56111365A (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5992662A (ja) * | 1982-11-19 | 1984-05-28 | Fujitsu Ltd | 音声信号重畳方式 |
JPS62137958A (ja) * | 1985-12-12 | 1987-06-20 | Nec Corp | 交換機の通話中着信回路 |
-
1980
- 1980-02-08 JP JP1367280A patent/JPS56111365A/ja active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5992662A (ja) * | 1982-11-19 | 1984-05-28 | Fujitsu Ltd | 音声信号重畳方式 |
JPS62137958A (ja) * | 1985-12-12 | 1987-06-20 | Nec Corp | 交換機の通話中着信回路 |
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