JPS5259507A - Pringing trunk - Google Patents
Pringing trunkInfo
- Publication number
- JPS5259507A JPS5259507A JP4621275A JP4621275A JPS5259507A JP S5259507 A JPS5259507 A JP S5259507A JP 4621275 A JP4621275 A JP 4621275A JP 4621275 A JP4621275 A JP 4621275A JP S5259507 A JPS5259507 A JP S5259507A
- Authority
- JP
- Japan
- Prior art keywords
- trunk
- pringing
- response
- economical
- installing
- 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 abstract 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Interface Circuits In Exchanges (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4621275A JPS5259507A (en) | 1975-04-15 | 1975-04-15 | Pringing trunk |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4621275A JPS5259507A (en) | 1975-04-15 | 1975-04-15 | Pringing trunk |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5259507A true JPS5259507A (en) | 1977-05-17 |
Family
ID=12740778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4621275A Pending JPS5259507A (en) | 1975-04-15 | 1975-04-15 | Pringing trunk |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5259507A (ja) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4828248U (ja) * | 1971-08-05 | 1973-04-06 |
-
1975
- 1975-04-15 JP JP4621275A patent/JPS5259507A/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4828248U (ja) * | 1971-08-05 | 1973-04-06 |
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