JPS534407A - Private branch exchange system - Google Patents
Private branch exchange systemInfo
- Publication number
- JPS534407A JPS534407A JP7778776A JP7778776A JPS534407A JP S534407 A JPS534407 A JP S534407A JP 7778776 A JP7778776 A JP 7778776A JP 7778776 A JP7778776 A JP 7778776A JP S534407 A JPS534407 A JP S534407A
- Authority
- JP
- Japan
- Prior art keywords
- exchange system
- private branch
- branch exchange
- pbx
- lines
- 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
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/58—Arrangements providing connection between main exchange and sub-exchange or satellite
- H04Q3/62—Arrangements providing connection between main exchange and sub-exchange or satellite for connecting to private branch exchanges
- H04Q3/625—Arrangements in the private branch exchange
Landscapes
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7778776A JPS534407A (en) | 1976-07-02 | 1976-07-02 | Private branch exchange system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7778776A JPS534407A (en) | 1976-07-02 | 1976-07-02 | Private branch exchange system |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS534407A true JPS534407A (en) | 1978-01-17 |
Family
ID=13643673
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7778776A Pending JPS534407A (en) | 1976-07-02 | 1976-07-02 | Private branch exchange system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS534407A (ja) |
-
1976
- 1976-07-02 JP JP7778776A patent/JPS534407A/ja active Pending
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