GB542176A - Improvements in or relating to telecommunication exchange systems - Google Patents
Improvements in or relating to telecommunication exchange systemsInfo
- Publication number
- GB542176A GB542176A GB11004/40A GB1100440A GB542176A GB 542176 A GB542176 A GB 542176A GB 11004/40 A GB11004/40 A GB 11004/40A GB 1100440 A GB1100440 A GB 1100440A GB 542176 A GB542176 A GB 542176A
- Authority
- GB
- United Kingdom
- Prior art keywords
- relay
- relays
- register
- calls
- switch
- 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
- 239000008186 active pharmaceutical agent Substances 0.000 abstract 4
- 238000004804 winding Methods 0.000 abstract 4
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/42—Systems providing special services or facilities to subscribers
- H04M3/50—Centralised arrangements for answering calls; Centralised arrangements for recording messages for absent or busy subscribers ; Centralised arrangements for recording messages
- H04M3/51—Centralised call answering arrangements requiring operator intervention, e.g. call or contact centers for telemarketing
- H04M3/523—Centralised call answering arrangements requiring operator intervention, e.g. call or contact centers for telemarketing with call distribution or queueing
Landscapes
- Business, Economics & Management (AREA)
- Marketing (AREA)
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Monitoring And Testing Of Exchanges (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB271787X | 1940-06-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB542176A true GB542176A (en) | 1941-12-30 |
Family
ID=10255463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB11004/40A Expired GB542176A (en) | 1940-06-28 | 1940-06-28 | Improvements in or relating to telecommunication exchange systems |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE476275A (enrdf_load_stackoverflow) |
| CH (1) | CH271787A (enrdf_load_stackoverflow) |
| FR (1) | FR947565A (enrdf_load_stackoverflow) |
| GB (1) | GB542176A (enrdf_load_stackoverflow) |
-
0
- BE BE476275D patent/BE476275A/xx unknown
-
1940
- 1940-06-28 GB GB11004/40A patent/GB542176A/en not_active Expired
-
1947
- 1947-03-19 CH CH271787D patent/CH271787A/fr unknown
- 1947-06-05 FR FR947565D patent/FR947565A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH271787A (fr) | 1950-11-15 |
| BE476275A (enrdf_load_stackoverflow) | |
| FR947565A (fr) | 1949-07-06 |
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