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 SYSTEMS

Info

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
Application number
AT0216485A
Other languages
German (de)
Other versions
AT389963B (en
Original Assignee
Siemens Ag
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Siemens Ag filed Critical Siemens Ag
Publication of ATA216485A publication Critical patent/ATA216485A/en
Application granted granted Critical
Publication of AT389963B publication Critical patent/AT389963B/en

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)
AT0216485A 1984-08-17 1985-07-22 CIRCUIT ARRANGEMENT FOR CATCHING OR. IDENTIFYING CONNECTIONS IN DIGITAL TIME MULTIPLEX TELECOMMUNICATION, IN PARTICULAR TELEPHONE SYSTEMS AT389963B (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
FI853155L (en) 1986-02-18
FI84122B (en) 1991-06-28
ZA856219B (en) 1986-04-30
AT389963B (en) 1990-02-26
FI84122C (en) 1991-10-10
FI853155A0 (en) 1985-08-16
CH669291A5 (en) 1989-02-28
BR8503915A (en) 1986-05-27
DE3430322A1 (en) 1986-02-27

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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