JPH0476789U - - Google Patents
Info
- Publication number
- JPH0476789U JPH0476789U JP12060290U JP12060290U JPH0476789U JP H0476789 U JPH0476789 U JP H0476789U JP 12060290 U JP12060290 U JP 12060290U JP 12060290 U JP12060290 U JP 12060290U JP H0476789 U JPH0476789 U JP H0476789U
- Authority
- JP
- Japan
- Prior art keywords
- message
- status
- detecting
- private branch
- branch exchange
- 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
- 238000001514 detection method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Sub-Exchange Stations And Push- Button Telephones (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12060290U JPH0476789U (es) | 1990-11-16 | 1990-11-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12060290U JPH0476789U (es) | 1990-11-16 | 1990-11-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0476789U true JPH0476789U (es) | 1992-07-03 |
Family
ID=31868501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12060290U Pending JPH0476789U (es) | 1990-11-16 | 1990-11-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0476789U (es) |
-
1990
- 1990-11-16 JP JP12060290U patent/JPH0476789U/ja active Pending