JPS5582589A - Selection control unit of communication line - Google Patents
Selection control unit of communication lineInfo
- Publication number
- JPS5582589A JPS5582589A JP15703078A JP15703078A JPS5582589A JP S5582589 A JPS5582589 A JP S5582589A JP 15703078 A JP15703078 A JP 15703078A JP 15703078 A JP15703078 A JP 15703078A JP S5582589 A JPS5582589 A JP S5582589A
- Authority
- JP
- Japan
- Prior art keywords
- station
- unit
- telephone set
- terminal
- selection
- 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.)
- Granted
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
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 |
---|---|---|---|
JP15703078A JPS5582589A (en) | 1978-12-19 | 1978-12-19 | Selection control unit of communication line |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15703078A JPS5582589A (en) | 1978-12-19 | 1978-12-19 | Selection control unit of communication line |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5582589A true JPS5582589A (en) | 1980-06-21 |
JPS6139797B2 JPS6139797B2 (enrdf_load_stackoverflow) | 1986-09-05 |
Family
ID=15640640
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15703078A Granted JPS5582589A (en) | 1978-12-19 | 1978-12-19 | Selection control unit of communication line |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5582589A (enrdf_load_stackoverflow) |
-
1978
- 1978-12-19 JP JP15703078A patent/JPS5582589A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS6139797B2 (enrdf_load_stackoverflow) | 1986-09-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS56771A (en) | Data transmission system | |
JPS5582589A (en) | Selection control unit of communication line | |
JPS52125213A (en) | Absence transfer system | |
JPS5348402A (en) | Automatic telephone service system for convention | |
JPS53117922A (en) | Absence reception voice answer skip system | |
JPS5299009A (en) | Automatic voice responding system | |
JPS5451702A (en) | Automatic power supply cut-off circuit | |
JPS547807A (en) | Night transfer system | |
JPS56131290A (en) | Trunk line holding system | |
JPS54137208A (en) | Charging system for new service | |
JPS5355905A (en) | Automatic dialing system | |
JPS5690667A (en) | Automatic transfer system for incoming call | |
JPS53145403A (en) | Communication control device | |
JPS52108708A (en) | Impedance automatic control system at the time of multiplex call | |
JPS5421206A (en) | Absence communication system | |
JPS5432004A (en) | Transfer system for non-answer call | |
JPS5422705A (en) | Extension subscriber calling system | |
JPS55165091A (en) | Transmission system for selection signal in electronic exchanger | |
JPS5750170A (en) | Facsimile transmission informing system | |
JPS5255417A (en) | Automatic exchange connection system | |
JPS5258303A (en) | Communication network constituting system | |
JPS6413848A (en) | Electronic automatic exchange with message informing function | |
JPS56128060A (en) | Calling device | |
JPS551734A (en) | Connection system for telephone exchanger terminal | |
JPS544507A (en) | Pay station line equipment |