JPS5258308A - Switching system for communication line - Google Patents
Switching system for communication lineInfo
- Publication number
- JPS5258308A JPS5258308A JP50134553A JP13455375A JPS5258308A JP S5258308 A JPS5258308 A JP S5258308A JP 50134553 A JP50134553 A JP 50134553A JP 13455375 A JP13455375 A JP 13455375A JP S5258308 A JPS5258308 A JP S5258308A
- Authority
- JP
- Japan
- Prior art keywords
- communication line
- switching system
- utilizing
- enable
- transmitting
- 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
Abstract
PURPOSE: To enable a sure switching operation with a simple function in carrier multi-communication line, by transmitting the switching information by utilizing the channel for call signal etc. outside the audio frequency transmission band.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50134553A JPS5258308A (en) | 1975-11-07 | 1975-11-07 | Switching system for communication line |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50134553A JPS5258308A (en) | 1975-11-07 | 1975-11-07 | Switching system for communication line |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5258308A true JPS5258308A (en) | 1977-05-13 |
Family
ID=15131000
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50134553A Pending JPS5258308A (en) | 1975-11-07 | 1975-11-07 | Switching system for communication line |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5258308A (en) |
-
1975
- 1975-11-07 JP JP50134553A patent/JPS5258308A/en active Pending
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