JPS5345107A - Trunk connection control system - Google Patents
Trunk connection control systemInfo
- Publication number
- JPS5345107A JPS5345107A JP11928076A JP11928076A JPS5345107A JP S5345107 A JPS5345107 A JP S5345107A JP 11928076 A JP11928076 A JP 11928076A JP 11928076 A JP11928076 A JP 11928076A JP S5345107 A JPS5345107 A JP S5345107A
- Authority
- JP
- Japan
- Prior art keywords
- control system
- connection control
- trunk connection
- extension
- trunk
- 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)
- Interface Circuits In Exchanges (AREA)
Abstract
PURPOSE:To prevent a double figure reception as well as to enhance the services to the PB extension telephone set by cutting off the PB extension from the extension side of the trunk.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11928076A JPS5345107A (en) | 1976-10-06 | 1976-10-06 | Trunk connection control system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11928076A JPS5345107A (en) | 1976-10-06 | 1976-10-06 | Trunk connection control system |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5345107A true JPS5345107A (en) | 1978-04-22 |
Family
ID=14757463
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11928076A Pending JPS5345107A (en) | 1976-10-06 | 1976-10-06 | Trunk connection control system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5345107A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4833752A (en) * | 1971-09-03 | 1973-05-12 |
-
1976
- 1976-10-06 JP JP11928076A patent/JPS5345107A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4833752A (en) * | 1971-09-03 | 1973-05-12 | ||
JPS5525526B2 (en) * | 1971-09-03 | 1980-07-07 |
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