AU3334889A - Process for a computer-controlled switching device in particular a key telephone exchange, in which data terminals and telephone terminals can be alternatively connected - Google Patents
Process for a computer-controlled switching device in particular a key telephone exchange, in which data terminals and telephone terminals can be alternatively connectedInfo
- Publication number
- AU3334889A AU3334889A AU33348/89A AU3334889A AU3334889A AU 3334889 A AU3334889 A AU 3334889A AU 33348/89 A AU33348/89 A AU 33348/89A AU 3334889 A AU3334889 A AU 3334889A AU 3334889 A AU3334889 A AU 3334889A
- Authority
- AU
- Australia
- Prior art keywords
- connection
- data
- terminals
- key telephone
- computer
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
- H04Q3/54—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker in which the logic circuitry controlling the exchange is centralised
- H04Q3/545—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker in which the logic circuitry controlling the exchange is centralised using a stored programme
- H04Q3/54575—Software application
- H04Q3/54591—Supervision, e.g. fault localisation, traffic measurements, avoiding errors, failure recovery, monitoring, statistical analysis
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
- H04M11/06—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors
-
- 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
- H04M3/42314—Systems providing special services or facilities to subscribers in private branch exchanges
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M9/00—Arrangements for interconnection not involving centralised switching
- H04M9/002—Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Telephonic Communication Services (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
- Exchange Systems With Centralized Control (AREA)
- Selective Calling Equipment (AREA)
Abstract
A key telephone terminal (T1) connected via a four-wire line (useful connection a, b and control connection c, d) to the exchange (VE) is also connected to a subscriber line (ATn), in addition to a data terminal (fax, PC). Since when a request for a connection comes from such a device, an indication occurs both on the useful connection and on the control connection but when a data terminal is connected, an indication only occurs on the useful connection (a, b wire), the system can tell whether a data communication or a normal communication exists. If a data communication is recognised, a temporary data protection is put into effect during the period of time of data transmission. Thus, the relevant subscriber connection is blocked for particular service features which can be activated by the system or by another subscriber (for example call insertion, call waiting and intrusion). Follow-up functions of manipulations at the key telephone terminal which are transmitted via the control connection are also suppressed during the existence of the temporary data protection. <IMAGE>
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3814065 | 1988-04-26 | ||
DE3814065 | 1988-04-26 |
Publications (2)
Publication Number | Publication Date |
---|---|
AU3334889A true AU3334889A (en) | 1990-03-08 |
AU609285B2 AU609285B2 (en) | 1991-04-26 |
Family
ID=6352909
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU33348/89A Ceased AU609285B2 (en) | 1988-04-26 | 1989-04-24 | Process for a computer-controlled switching device in particular a key telephone exchange, in which data terminals and telephone terminals can be alternatively connected |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0339432B1 (en) |
AT (1) | ATE117154T1 (en) |
AU (1) | AU609285B2 (en) |
DE (1) | DE58908864D1 (en) |
ES (1) | ES2066802T3 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5519767A (en) * | 1995-07-20 | 1996-05-21 | At&T Corp. | Voice-and-data modem call-waiting |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4165446A (en) * | 1977-04-08 | 1979-08-21 | Flowers Thomas E | Data transmission systems (using internal systems equipment, services and procedures of telephone companies) |
US4685123A (en) * | 1985-09-13 | 1987-08-04 | American Telephone And Telegraph Company | Communication system having voice and data capability |
-
1989
- 1989-04-18 ES ES89106885T patent/ES2066802T3/en not_active Expired - Lifetime
- 1989-04-18 DE DE58908864T patent/DE58908864D1/en not_active Expired - Fee Related
- 1989-04-18 EP EP89106885A patent/EP0339432B1/en not_active Expired - Lifetime
- 1989-04-18 AT AT89106885T patent/ATE117154T1/en not_active IP Right Cessation
- 1989-04-24 AU AU33348/89A patent/AU609285B2/en not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
EP0339432A2 (en) | 1989-11-02 |
ES2066802T3 (en) | 1995-03-16 |
ATE117154T1 (en) | 1995-01-15 |
EP0339432B1 (en) | 1995-01-11 |
DE58908864D1 (en) | 1995-02-23 |
EP0339432A3 (en) | 1991-01-02 |
AU609285B2 (en) | 1991-04-26 |
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