FR455620A - Telephone communication systems - Google Patents
Telephone communication systemsInfo
- Publication number
- FR455620A FR455620A FR455620A FR455620DA FR455620A FR 455620 A FR455620 A FR 455620A FR 455620 A FR455620 A FR 455620A FR 455620D A FR455620D A FR 455620DA FR 455620 A FR455620 A FR 455620A
- Authority
- FR
- France
- Prior art keywords
- communication systems
- telephone communication
- telephone
- systems
- communication
- 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
- 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)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
- Interface Circuits In Exchanges (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB191212547T | 1912-05-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR455620A true FR455620A (en) | 1913-08-05 |
Family
ID=32572473
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR455620A Expired FR455620A (en) | 1912-05-28 | 1912-05-28 | Telephone communication systems |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE282465C (en) |
FR (1) | FR455620A (en) |
GB (1) | GB191212547A (en) |
-
0
- DE DENDAT282465D patent/DE282465C/de active Active
-
1912
- 1912-05-28 GB GB191212547D patent/GB191212547A/en not_active Expired
- 1912-05-28 FR FR455620A patent/FR455620A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE282465C (en) | |
GB191212547A (en) | 1913-05-28 |
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