JPH0731658Y2 - 電話交換機 - Google Patents
電話交換機Info
- Publication number
- JPH0731658Y2 JPH0731658Y2 JP9900588U JP9900588U JPH0731658Y2 JP H0731658 Y2 JPH0731658 Y2 JP H0731658Y2 JP 9900588 U JP9900588 U JP 9900588U JP 9900588 U JP9900588 U JP 9900588U JP H0731658 Y2 JPH0731658 Y2 JP H0731658Y2
- Authority
- JP
- Japan
- Prior art keywords
- call
- intercom
- line
- extension
- signal
- 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.)
- Expired - Lifetime
Links
Landscapes
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9900588U JPH0731658Y2 (ja) | 1988-07-26 | 1988-07-26 | 電話交換機 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9900588U JPH0731658Y2 (ja) | 1988-07-26 | 1988-07-26 | 電話交換機 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0223181U JPH0223181U (bg) | 1990-02-15 |
JPH0731658Y2 true JPH0731658Y2 (ja) | 1995-07-19 |
Family
ID=31325769
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9900588U Expired - Lifetime JPH0731658Y2 (ja) | 1988-07-26 | 1988-07-26 | 電話交換機 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0731658Y2 (bg) |
-
1988
- 1988-07-26 JP JP9900588U patent/JPH0731658Y2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH0223181U (bg) | 1990-02-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPH0731658Y2 (ja) | 電話交換機 | |
JP2637087B2 (ja) | 電話システム | |
JP2775756B2 (ja) | 保留自動解除機能付き電話交換機 | |
JP2776422B2 (ja) | 電話交換装置 | |
JP2642726B2 (ja) | ハンドフリー通話装置 | |
JP2804551B2 (ja) | 家庭用簡易交換装置 | |
JP2731527B2 (ja) | 電話交換システムの増設用子器 | |
JP2947476B2 (ja) | 電話交換システム | |
JP2804494B2 (ja) | 電話システム | |
JPH0771160B2 (ja) | 電話交換装置 | |
JP3040531B2 (ja) | 通話装置 | |
JP2804495B2 (ja) | 電話システム | |
JPS6328554B2 (bg) | ||
JPH0636625B2 (ja) | 電話交換システム | |
JPH03101590A (ja) | 電話交換装置 | |
JPH01176152A (ja) | 簡易交換機 | |
JPH01297941A (ja) | 電話装置 | |
JPH04192955A (ja) | 家庭用簡易電話交換装置 | |
JPH05122139A (ja) | 電話交換システム | |
JPH01297959A (ja) | 電話装置 | |
JPH01245787A (ja) | 家庭用電話交換システム | |
JPH0771156B2 (ja) | 電話交換装置 | |
JPH11164027A (ja) | インターホン装置 | |
JPS63285099A (ja) | 電話装置 | |
JPH02188090A (ja) | 電話システム |