BE894839A - Systeme permettant plusieurs appels telephoniques sur demande - Google Patents
Systeme permettant plusieurs appels telephoniques sur demandeInfo
- Publication number
- BE894839A BE894839A BE2/59888A BE2059888A BE894839A BE 894839 A BE894839 A BE 894839A BE 2/59888 A BE2/59888 A BE 2/59888A BE 2059888 A BE2059888 A BE 2059888A BE 894839 A BE894839 A BE 894839A
- Authority
- BE
- Belgium
- Prior art keywords
- request
- telephone calls
- system allowing
- allowing multiple
- multiple telephone
- Prior art date
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
- H04M3/56—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M2203/00—Aspects of automatic or semi-automatic exchanges
- H04M2203/50—Aspects of automatic or semi-automatic exchanges related to audio conference
- H04M2203/5009—Adding a party to an existing conference
-
- 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
- H04M3/4288—Notifying a called subscriber of an incoming call during an ongoing call, e.g. Call Waiting
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Exchange Systems With Centralized Control (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US31625481A | 1981-10-29 | 1981-10-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE894839A true BE894839A (fr) | 1983-02-14 |
Family
ID=23228251
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE2/59888A BE894839A (fr) | 1981-10-29 | 1982-10-28 | Systeme permettant plusieurs appels telephoniques sur demande |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPS5884564A (it) |
BE (1) | BE894839A (it) |
CA (1) | CA1190633A (it) |
IT (1) | IT1153593B (it) |
-
1982
- 1982-10-18 CA CA000413621A patent/CA1190633A/en not_active Expired
- 1982-10-27 IT IT23952/82A patent/IT1153593B/it active
- 1982-10-28 BE BE2/59888A patent/BE894839A/fr not_active IP Right Cessation
- 1982-10-28 JP JP57188272A patent/JPS5884564A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
JPS5884564A (ja) | 1983-05-20 |
CA1190633A (en) | 1985-07-16 |
IT8223952A0 (it) | 1982-10-27 |
IT1153593B (it) | 1987-01-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE | Patent lapsed |
Owner name: GTE AUTOMATIC ELECTRIC INC. Effective date: 19871031 |