ATA216485A - CIRCUIT ARRANGEMENT FOR CATCHING OR. IDENTIFYING CONNECTIONS IN DIGITAL TIME MULTIPLEX TELECOMMUNICATION, IN PARTICULAR TELEPHONE SYSTEMS - Google Patents
CIRCUIT ARRANGEMENT FOR CATCHING OR. IDENTIFYING CONNECTIONS IN DIGITAL TIME MULTIPLEX TELECOMMUNICATION, IN PARTICULAR TELEPHONE SYSTEMSInfo
- Publication number
- ATA216485A ATA216485A AT0216485A AT216485A ATA216485A AT A216485 A ATA216485 A AT A216485A AT 0216485 A AT0216485 A AT 0216485A AT 216485 A AT216485 A AT 216485A AT A216485 A ATA216485 A AT A216485A
- Authority
- AT
- Austria
- Prior art keywords
- catching
- circuit arrangement
- telephone systems
- digital time
- time multiplex
- Prior art date
Links
Classifications
-
- 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
- H04Q11/0407—Selecting arrangements for multiplex systems for time-division multiplexing using a stored programme control
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Telephonic Communication Services (AREA)
- Mobile Radio Communication Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19843430322 DE3430322A1 (en) | 1984-08-17 | 1984-08-17 | Circuit arrangement for tracing or identifying connections in digital time division multiplex telecommunications systems, in particular telephone systems, with a dialling receiver which can be connected to a plurality of subscriber connection circuits for audio-frequency code dialling signals, in particular push-button dialling signals |
Publications (2)
Publication Number | Publication Date |
---|---|
ATA216485A true ATA216485A (en) | 1989-07-15 |
AT389963B AT389963B (en) | 1990-02-26 |
Family
ID=6243303
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT0216485A AT389963B (en) | 1984-08-17 | 1985-07-22 | CIRCUIT ARRANGEMENT FOR CATCHING OR. IDENTIFYING CONNECTIONS IN DIGITAL TIME MULTIPLEX TELECOMMUNICATION, IN PARTICULAR TELEPHONE SYSTEMS |
Country Status (6)
Country | Link |
---|---|
AT (1) | AT389963B (en) |
BR (1) | BR8503915A (en) |
CH (1) | CH669291A5 (en) |
DE (1) | DE3430322A1 (en) |
FI (1) | FI84122C (en) |
ZA (1) | ZA856219B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4427600A1 (en) * | 1994-08-04 | 1996-03-07 | Deutsche Telekom Ag | Multifrequency dialling method for triggering connection identification |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1203833B (en) * | 1964-04-16 | 1965-10-28 | Telefunken Patent | Circuit arrangement for catching maliciously calling subscriber lines in telecommunications, in particular telephone switching systems |
DE2538293A1 (en) * | 1975-08-28 | 1977-03-03 | Standard Elektrik Lorenz Ag | Holding circuit for telephone exchange - has AC signalling receiver detecting hold signal and opening voice line |
-
1984
- 1984-08-17 DE DE19843430322 patent/DE3430322A1/en not_active Ceased
-
1985
- 1985-07-19 CH CH3114/85A patent/CH669291A5/en not_active IP Right Cessation
- 1985-07-22 AT AT0216485A patent/AT389963B/en not_active IP Right Cessation
- 1985-08-16 BR BR8503915A patent/BR8503915A/en unknown
- 1985-08-16 FI FI853155A patent/FI84122C/en not_active IP Right Cessation
- 1985-08-16 ZA ZA856219A patent/ZA856219B/en unknown
Also Published As
Publication number | Publication date |
---|---|
FI853155L (en) | 1986-02-18 |
FI84122C (en) | 1991-10-10 |
ZA856219B (en) | 1986-04-30 |
BR8503915A (en) | 1986-05-27 |
DE3430322A1 (en) | 1986-02-27 |
CH669291A5 (en) | 1989-02-28 |
FI853155A0 (en) | 1985-08-16 |
AT389963B (en) | 1990-02-26 |
FI84122B (en) | 1991-06-28 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
IT8322506A0 (en) | ELECTRONIC LOCATION SYSTEM FOR PEOPLE RECEIVING TELEPHONE CALLS. | |
BR8502146A (en) | TELECOMMUNICATIONS SYSTEM, IN PARTICULAR A TELEPHONE SYSTEM | |
NO822247L (en) | SUBSCRIBER LINE CIRCUIT. | |
NL189590C (en) | TIME MULTIPLEX SWITCH NETWORK. | |
DE3382546D1 (en) | COMMUNICATION SYSTEM. | |
DE59105360D1 (en) | Terminal block for telecommunications. | |
DE3789135D1 (en) | Radio telephone system. | |
NO810100L (en) | TELECOMMUNICATIONS SYSTEM. | |
IT8320356A0 (en) | MEMORY TELEPHONE SYSTEM, SERVING A MULTIPLE TELEPHONE EQUIPMENT. | |
DE3786222D1 (en) | TELEPHONE SYSTEM. | |
ES2022442B3 (en) | TERMINAL TERMINAL FOR TELECOMMUNICATION. | |
NO157037C (en) | A DIGITAL SUBSCRIBER LINE CIRCUIT. | |
DE3587554D1 (en) | Switching system, capable of telecommunication conference. | |
DE3381272D1 (en) | SWITCHBOARD. | |
NO870902L (en) | TELECOMMUNICATIONS SYSTEM. | |
ATA451281A (en) | CIRCUIT ARRANGEMENT FOR TWO-WIRE-FOUR-WIRE CONVERSION, IN PARTICULAR SUBSCRIBER CONNECTION | |
DE68918912D1 (en) | Automatic telecommunication system. | |
ATE64052T1 (en) | TELEPHONE PBX CIRCUIT. | |
DE3768111D1 (en) | DEVICE FOR PREVENTING TELEPHONE CALLS. | |
ATA216485A (en) | CIRCUIT ARRANGEMENT FOR CATCHING OR. IDENTIFYING CONNECTIONS IN DIGITAL TIME MULTIPLEX TELECOMMUNICATION, IN PARTICULAR TELEPHONE SYSTEMS | |
FR2478415B1 (en) | SIGNALING SWITCHING SYSTEM IN A TIME SWITCHING NETWORK, AND TIME SWITCHING NETWORK COMPRISING SUCH A SYSTEM | |
DE3382315D1 (en) | CIRCUIT ARRANGEMENT FOR A TELECOMMUNICATION SYSTEM, ESPECIALLY TELEPHONE INTERMEDIATE SYSTEM, WITH INTERFACE ASSEMBLIES. | |
NL191817C (en) | Time-division multiplex telecommunication forwarding device. | |
IT7820544A0 (en) | MULTIPLE SYSTEM FOR DIGITALLY SWITCHED TELEPHONE SUBSCRIBERS. | |
IT8467922A1 (en) | TELEPHONE SUBSCRIBER CONNECTOR. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ELJ | Ceased due to non-payment of the annual fee | ||
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |