JPS57104345A - Telephone connecting system in composite exchange system - Google Patents
Telephone connecting system in composite exchange systemInfo
- Publication number
- JPS57104345A JPS57104345A JP55180962A JP18096280A JPS57104345A JP S57104345 A JPS57104345 A JP S57104345A JP 55180962 A JP55180962 A JP 55180962A JP 18096280 A JP18096280 A JP 18096280A JP S57104345 A JPS57104345 A JP S57104345A
- Authority
- JP
- Japan
- Prior art keywords
- telephone sets
- telephone
- circuit
- failure
- exchange system
- 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
- 239000002131 composite material Substances 0.000 title abstract 3
- 238000006243 chemical reaction Methods 0.000 abstract 4
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 238000001514 detection method Methods 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
- H04M11/06—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Small-Scale Networks (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55180962A JPS57104345A (en) | 1980-12-20 | 1980-12-20 | Telephone connecting system in composite exchange system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55180962A JPS57104345A (en) | 1980-12-20 | 1980-12-20 | Telephone connecting system in composite exchange system |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57104345A true JPS57104345A (en) | 1982-06-29 |
JPS6355262B2 JPS6355262B2 (enrdf_load_stackoverflow) | 1988-11-01 |
Family
ID=16092317
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP55180962A Granted JPS57104345A (en) | 1980-12-20 | 1980-12-20 | Telephone connecting system in composite exchange system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57104345A (enrdf_load_stackoverflow) |
-
1980
- 1980-12-20 JP JP55180962A patent/JPS57104345A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS6355262B2 (enrdf_load_stackoverflow) | 1988-11-01 |
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