JPS5673997A - Extension transmission restricting system - Google Patents
Extension transmission restricting systemInfo
- Publication number
- JPS5673997A JPS5673997A JP15115579A JP15115579A JPS5673997A JP S5673997 A JPS5673997 A JP S5673997A JP 15115579 A JP15115579 A JP 15115579A JP 15115579 A JP15115579 A JP 15115579A JP S5673997 A JPS5673997 A JP S5673997A
- Authority
- JP
- Japan
- Prior art keywords
- line circuit
- circuit group
- lcg0
- extension
- extension transmission
- 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
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/38—Graded-service arrangements, i.e. some subscribers prevented from establishing certain connections
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15115579A JPS5673997A (en) | 1979-11-21 | 1979-11-21 | Extension transmission restricting system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15115579A JPS5673997A (en) | 1979-11-21 | 1979-11-21 | Extension transmission restricting system |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5673997A true JPS5673997A (en) | 1981-06-19 |
Family
ID=15512549
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15115579A Pending JPS5673997A (en) | 1979-11-21 | 1979-11-21 | Extension transmission restricting system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5673997A (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61126894A (ja) * | 1984-11-22 | 1986-06-14 | Nec Corp | 加入者発信規制方式 |
JPS61169059A (ja) * | 1985-01-22 | 1986-07-30 | Nec Corp | 回線異常監視方式 |
JPS6346047A (ja) * | 1986-08-13 | 1988-02-26 | Nippon Kosoku Tsushin Kk | 交換網接続制御方式 |
-
1979
- 1979-11-21 JP JP15115579A patent/JPS5673997A/ja active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61126894A (ja) * | 1984-11-22 | 1986-06-14 | Nec Corp | 加入者発信規制方式 |
JPS61169059A (ja) * | 1985-01-22 | 1986-07-30 | Nec Corp | 回線異常監視方式 |
JPH0473825B2 (ja) * | 1985-01-22 | 1992-11-24 | ||
JPS6346047A (ja) * | 1986-08-13 | 1988-02-26 | Nippon Kosoku Tsushin Kk | 交換網接続制御方式 |
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