JPS56162565A - Connection system for standard telephone set with key telephone set - Google Patents
Connection system for standard telephone set with key telephone setInfo
- Publication number
- JPS56162565A JPS56162565A JP6599280A JP6599280A JPS56162565A JP S56162565 A JPS56162565 A JP S56162565A JP 6599280 A JP6599280 A JP 6599280A JP 6599280 A JP6599280 A JP 6599280A JP S56162565 A JPS56162565 A JP S56162565A
- Authority
- JP
- Japan
- Prior art keywords
- telephone set
- circuit
- detecting
- hook state
- trunk
- 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
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/71—Substation extension arrangements
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 |
---|---|---|---|
JP6599280A JPS56162565A (en) | 1980-05-20 | 1980-05-20 | Connection system for standard telephone set with key telephone set |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6599280A JPS56162565A (en) | 1980-05-20 | 1980-05-20 | Connection system for standard telephone set with key telephone set |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS56162565A true JPS56162565A (en) | 1981-12-14 |
JPH0114759B2 JPH0114759B2 (en]) | 1989-03-14 |
Family
ID=13303008
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6599280A Granted JPS56162565A (en) | 1980-05-20 | 1980-05-20 | Connection system for standard telephone set with key telephone set |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56162565A (en]) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63217795A (ja) * | 1987-03-05 | 1988-09-09 | Matsushita Electric Ind Co Ltd | ボタン電話装置 |
-
1980
- 1980-05-20 JP JP6599280A patent/JPS56162565A/ja active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63217795A (ja) * | 1987-03-05 | 1988-09-09 | Matsushita Electric Ind Co Ltd | ボタン電話装置 |
Also Published As
Publication number | Publication date |
---|---|
JPH0114759B2 (en]) | 1989-03-14 |
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