BE877628A - SWITCHING DEVICE FOR TELECOMMUNICATION INSTALLATIONS, ESPECIALLY FOR TELEPHONE CENTERS - Google Patents
SWITCHING DEVICE FOR TELECOMMUNICATION INSTALLATIONS, ESPECIALLY FOR TELEPHONE CENTERSInfo
- Publication number
- BE877628A BE877628A BE0/196244A BE196244A BE877628A BE 877628 A BE877628 A BE 877628A BE 0/196244 A BE0/196244 A BE 0/196244A BE 196244 A BE196244 A BE 196244A BE 877628 A BE877628 A BE 877628A
- Authority
- BE
- Belgium
- Prior art keywords
- switching device
- telecommunication installations
- telephone centers
- centers
- 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
- H04M3/44—Additional connecting arrangements for providing access to frequently-wanted subscribers, e.g. abbreviated dialling
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Telephonic Communication Services (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2830585A DE2830585C3 (en) | 1978-07-12 | 1978-07-12 | Circuit arrangement for telecommunications, in particular telephone switching systems, with devices for sending stored, multi-part call numbers that can be controlled with abbreviated codes |
Publications (1)
Publication Number | Publication Date |
---|---|
BE877628A true BE877628A (en) | 1979-11-05 |
Family
ID=6044174
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE0/196244A BE877628A (en) | 1978-07-12 | 1979-07-11 | SWITCHING DEVICE FOR TELECOMMUNICATION INSTALLATIONS, ESPECIALLY FOR TELEPHONE CENTERS |
Country Status (3)
Country | Link |
---|---|
BE (1) | BE877628A (en) |
DE (1) | DE2830585C3 (en) |
IT (1) | IT1117412B (en) |
-
1978
- 1978-07-12 DE DE2830585A patent/DE2830585C3/en not_active Expired
-
1979
- 1979-07-11 BE BE0/196244A patent/BE877628A/en not_active IP Right Cessation
- 1979-07-11 IT IT49729/79A patent/IT1117412B/en active
Also Published As
Publication number | Publication date |
---|---|
DE2830585C3 (en) | 1981-01-08 |
DE2830585A1 (en) | 1980-01-24 |
IT1117412B (en) | 1986-02-17 |
IT7949729A0 (en) | 1979-07-11 |
DE2830585B2 (en) | 1980-05-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB2014018B (en) | Time division telephone switching systems | |
NL190828C (en) | Digital communication switching system. | |
NL7809428A (en) | TELECOMMUNICATIONS SWITCHING SYSTEM. | |
BE866552A (en) | SWITCHING NETWORK FOR MIC TEMPORAL DEVICE | |
IT8223976A0 (en) | PROVISION FOR MULTIPLE SPECIAL TELEPHONE CALLS. | |
FR2536615B1 (en) | VOICE SWITCHING DEVICE FOR A TELEPHONE CONFERENCE SYSTEM | |
FR2315205A1 (en) | SWITCHING DEVICE FOR AUTOMATIC TELECOMMUNICATION CENTER | |
AT383929B (en) | INDIRECTLY CONTROLLED TELEPHONE SWITCHING SYSTEM | |
IT8223975A0 (en) | PROVISION FOR MULTIPLE SPECIAL TELEPHONE CALLS. | |
DK452883D0 (en) | PUBLIC TELEPHONE TRANSMISSION SYSTEM | |
AR231689A1 (en) | TELEPHONE SUBSCRIBER TERMINAL | |
BE877628A (en) | SWITCHING DEVICE FOR TELECOMMUNICATION INSTALLATIONS, ESPECIALLY FOR TELEPHONE CENTERS | |
JPS52103904A (en) | Network for connecting pcmtdm automatic telephone switching system | |
FR2532506B1 (en) | ELECTRONIC TIME SWITCHING DEVICE, PARTICULARLY FOR DIGITAL TELEPHONE CENTRAL | |
GB2097631B (en) | Time division telephone switching systems | |
FR2336844A1 (en) | TELECOMMUNICATIONS SWITCHING DEVICE | |
IT8223954A0 (en) | PROVISION FOR MULTIPLE SPECIAL TELEPHONE CALLS. | |
AR231890A1 (en) | SUBSCRIBER TELEPHONE DEVICE | |
SE7801879L (en) | CONNECTION DEVICE FOR TELECOMMUNICATIONS SYSTEMS, SPECIAL TELEPHONE EXCHANGER | |
IT8223953A0 (en) | PROVISION FOR MULTIPLE SPECIAL TELEPHONE CALLS. | |
IT7823260A0 (en) | ANTI-WHISTLING DEVICE IN TELECOMMUNICATION SWITCHING SYSTEMS. | |
FR2493647B1 (en) | MULTIPLE CONFERENCE DEVICE FOR TELEPHONE CENTRAL | |
SE7810213L (en) | CONNECTION DEVICE FOR TELECOMMUNICATIONS SYSTEMS, IN PARTICULAR TELEPHONE COMMUNICATION SYSTEMS | |
ES268448Y (en) | TELEPHONE CALL DISCRIMINATOR. | |
IT7820548A0 (en) | ELECTRONIC SWITCHING DEVICE PARTICULARLY FOR TELEPHONE ANSWERING MACHINES. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE | Patent lapsed |
Owner name: TELEFONBAU UND NORMALZEIT G.M.B.H. Effective date: 19840711 |