AU429936B2 - Improvements in originating call discrimination systems for manual exchanges - Google Patents
Improvements in originating call discrimination systems for manual exchangesInfo
- Publication number
- AU429936B2 AU429936B2 AU28496/67A AU2849667A AU429936B2 AU 429936 B2 AU429936 B2 AU 429936B2 AU 28496/67 A AU28496/67 A AU 28496/67A AU 2849667 A AU2849667 A AU 2849667A AU 429936 B2 AU429936 B2 AU 429936B2
- Authority
- AU
- Australia
- Prior art keywords
- originating call
- discrimination systems
- call discrimination
- manual exchanges
- exchanges
- 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.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M5/00—Manual exchanges
- H04M5/04—Arrangements for indicating calls or supervising connections for calling or clearing
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU28496/67A AU429936B2 (en) | 1968-10-13 | 1968-10-13 | Improvements in originating call discrimination systems for manual exchanges |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU28496/67A AU429936B2 (en) | 1968-10-13 | 1968-10-13 | Improvements in originating call discrimination systems for manual exchanges |
Publications (2)
Publication Number | Publication Date |
---|---|
AU2849667A AU2849667A (en) | 1970-04-16 |
AU429936B2 true AU429936B2 (en) | 1972-11-09 |
Family
ID=3716675
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU28496/67A Expired AU429936B2 (en) | 1968-10-13 | 1968-10-13 | Improvements in originating call discrimination systems for manual exchanges |
Country Status (1)
Country | Link |
---|---|
AU (1) | AU429936B2 (en) |
-
1968
- 1968-10-13 AU AU28496/67A patent/AU429936B2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
AU2849667A (en) | 1970-04-16 |
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