JPS56119564A - Key telephone system - Google Patents
Key telephone systemInfo
- Publication number
- JPS56119564A JPS56119564A JP2161580A JP2161580A JPS56119564A JP S56119564 A JPS56119564 A JP S56119564A JP 2161580 A JP2161580 A JP 2161580A JP 2161580 A JP2161580 A JP 2161580A JP S56119564 A JPS56119564 A JP S56119564A
- Authority
- JP
- Japan
- Prior art keywords
- key telephone
- devices
- kts
- telephone set
- extension
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M9/00—Arrangements for interconnection not involving centralised switching
- H04M9/002—Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems
- H04M9/005—Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems with subscriber controlled access to an exchange line
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2161580A JPS56119564A (en) | 1980-02-25 | 1980-02-25 | Key telephone system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2161580A JPS56119564A (en) | 1980-02-25 | 1980-02-25 | Key telephone system |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS56119564A true JPS56119564A (en) | 1981-09-19 |
JPS6339158B2 JPS6339158B2 (ja) | 1988-08-03 |
Family
ID=12059944
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2161580A Granted JPS56119564A (en) | 1980-02-25 | 1980-02-25 | Key telephone system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56119564A (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5922498A (ja) * | 1982-07-29 | 1984-02-04 | Toshiba Corp | 回線共用電話システム |
JPS6285542A (ja) * | 1985-10-11 | 1987-04-20 | Hitachi Ltd | 構内交換機網における局線着信呼処理方法 |
-
1980
- 1980-02-25 JP JP2161580A patent/JPS56119564A/ja active Granted
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5922498A (ja) * | 1982-07-29 | 1984-02-04 | Toshiba Corp | 回線共用電話システム |
JPS6285542A (ja) * | 1985-10-11 | 1987-04-20 | Hitachi Ltd | 構内交換機網における局線着信呼処理方法 |
Also Published As
Publication number | Publication date |
---|---|
JPS6339158B2 (ja) | 1988-08-03 |
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