BE663778A - - Google Patents
Info
- Publication number
- BE663778A BE663778A BE663778DA BE663778A BE 663778 A BE663778 A BE 663778A BE 663778D A BE663778D A BE 663778DA BE 663778 A BE663778 A BE 663778A
- Authority
- BE
- Belgium
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
- H04M3/428—Arrangements for placing incoming calls on hold
- H04M3/4285—Notifying, informing or entertaining a held party while on hold, e.g. Music On Hold
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR974410A FR1403813A (fr) | 1964-05-13 | 1964-05-13 | Dispositif d'annonce de mise en garde d'une ligne téléphonique |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE663778A true BE663778A (xx) | 1965-09-01 |
Family
ID=8829975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE663778D BE663778A (xx) | 1964-05-13 | 1965-05-12 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE663778A (xx) |
| FR (1) | FR1403813A (xx) |
-
1964
- 1964-05-13 FR FR974410A patent/FR1403813A/fr not_active Expired
-
1965
- 1965-05-12 BE BE663778D patent/BE663778A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR1403813A (fr) | 1965-06-25 |