JPS6472693A - Key telephone system - Google Patents
Key telephone systemInfo
- Publication number
- JPS6472693A JPS6472693A JP22852287A JP22852287A JPS6472693A JP S6472693 A JPS6472693 A JP S6472693A JP 22852287 A JP22852287 A JP 22852287A JP 22852287 A JP22852287 A JP 22852287A JP S6472693 A JPS6472693 A JP S6472693A
- Authority
- JP
- Japan
- Prior art keywords
- wire
- telephone set
- line
- line wire
- system telephone
- 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
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 238000001514 detection method Methods 0.000 abstract 1
Landscapes
- Sub-Exchange Stations And Push- Button Telephones (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22852287A JPS6472693A (en) | 1987-09-14 | 1987-09-14 | Key telephone system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22852287A JPS6472693A (en) | 1987-09-14 | 1987-09-14 | Key telephone system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6472693A true JPS6472693A (en) | 1989-03-17 |
| JPH0458235B2 JPH0458235B2 (cs) | 1992-09-16 |
Family
ID=16877739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP22852287A Granted JPS6472693A (en) | 1987-09-14 | 1987-09-14 | Key telephone system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6472693A (cs) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03296393A (ja) * | 1990-04-14 | 1991-12-27 | Matsushita Electric Works Ltd | 電話交換装置 |
-
1987
- 1987-09-14 JP JP22852287A patent/JPS6472693A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03296393A (ja) * | 1990-04-14 | 1991-12-27 | Matsushita Electric Works Ltd | 電話交換装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0458235B2 (cs) | 1992-09-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2108225A1 (en) | Charger/Detector for Cordless Telephones | |
| JPS6451850A (en) | Cordless telephone system | |
| US4228324A (en) | Key telephone system having interstation signalling during hold condition | |
| WO1987007802A1 (en) | Terminal controller | |
| JPS6472693A (en) | Key telephone system | |
| JPS62234451A (ja) | 中継交換網自動選択方法 | |
| CA1200032A (en) | Key telephone system signalling and control arrangement | |
| JPS56126364A (en) | Circuit switching system | |
| JPS6422160A (en) | Facsimile system | |
| JPS5620365A (en) | Fault detection system | |
| JPS56128089A (en) | Hooking detection system of push-button telephone set | |
| JPS6472692A (en) | Key telephone system | |
| JPS6427351A (en) | Telephone system with interruption function | |
| JPS6489753A (en) | Key telephone system | |
| JPS5752257A (en) | Calling control system | |
| JPS55138958A (en) | Originating line terminal confirmation system in terminating line terminal | |
| JPS6461195A (en) | Extension telephone system | |
| JPS6439133A (en) | Control station for cordless telephone system | |
| JPS56132891A (en) | Call start connecting system | |
| JPS61114691A (ja) | ボタン電話装置 | |
| JPS6454891A (en) | Key telephone system with selective transferring function | |
| JPS5666959A (en) | Network control system | |
| JPS6453669A (en) | Automatic extension transfer system | |
| JPS6453672A (en) | Audio response type b board of exchange | |
| JPS6489856A (en) | Outgoing and incoming call control system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313111 |
|
| R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
| S531 | Written request for registration of change of domicile |
Free format text: JAPANESE INTERMEDIATE CODE: R313531 |
|
| R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
| EXPY | Cancellation because of completion of term |