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DE69510869D1 - Verfahren zur Sicherung der Vertraulichkeit einer Audioverbindung und lokales Telekommunikationsnetz zur Durchführung dieses Verfahrens - Google Patents

Verfahren zur Sicherung der Vertraulichkeit einer Audioverbindung und lokales Telekommunikationsnetz zur Durchführung dieses Verfahrens

Info

Publication number
DE69510869D1
DE69510869D1 DE69510869T DE69510869T DE69510869D1 DE 69510869 D1 DE69510869 D1 DE 69510869D1 DE 69510869 T DE69510869 T DE 69510869T DE 69510869 T DE69510869 T DE 69510869T DE 69510869 D1 DE69510869 D1 DE 69510869D1
Authority
DE
Germany
Prior art keywords
confidentiality
ensuring
carrying
telecommunications network
audio connection
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.)
Expired - Fee Related
Application number
DE69510869T
Other languages
English (en)
Other versions
DE69510869T2 (de
Inventor
Philippe Fontaine
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Thales SA
Original Assignee
Thomson CSF SA
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 Thomson CSF SA filed Critical Thomson CSF SA
Application granted granted Critical
Publication of DE69510869D1 publication Critical patent/DE69510869D1/de
Publication of DE69510869T2 publication Critical patent/DE69510869T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • H04Q11/0428—Integrated services digital network, i.e. systems for transmission of different types of digitised signals, e.g. speech, data, telecentral, television signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/02—Arrangements for interconnection not involving centralised switching involving a common line for all parties
    • H04M9/022—Multiplex systems
    • H04M9/025—Time division multiplex systems, e.g. loop systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13095—PIN / Access code, authentication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13176—Common channel signaling, CCS7
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13209—ISDN
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13216—Code signals, frame structure
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13386—Line concentrator

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
DE69510869T 1994-06-28 1995-06-20 Verfahren zur Sicherung der Vertraulichkeit einer Audioverbindung und lokales Telekommunikationsnetz zur Durchführung dieses Verfahrens Expired - Fee Related DE69510869T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9407948A FR2721781B1 (fr) 1994-06-28 1994-06-28 Procédé pour assurer la confidentialité d'une liaison phonique et réseau local de télécommunication mettant en Óoeuvre le procédé.

Publications (2)

Publication Number Publication Date
DE69510869D1 true DE69510869D1 (de) 1999-08-26
DE69510869T2 DE69510869T2 (de) 2000-01-20

Family

ID=9464739

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69510869T Expired - Fee Related DE69510869T2 (de) 1994-06-28 1995-06-20 Verfahren zur Sicherung der Vertraulichkeit einer Audioverbindung und lokales Telekommunikationsnetz zur Durchführung dieses Verfahrens

Country Status (4)

Country Link
US (1) US5742771A (de)
EP (1) EP0690604B1 (de)
DE (1) DE69510869T2 (de)
FR (1) FR2721781B1 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19615302A1 (de) * 1996-04-18 1997-10-23 Deutsche Telekom Ag Verfahren und Vorrichtung zum Aufzeichnen/Verarbeiten von authentischen Tondaten
US5930479A (en) * 1996-10-21 1999-07-27 At&T Corp Communications addressing system
US7117358B2 (en) * 1997-07-24 2006-10-03 Tumbleweed Communications Corp. Method and system for filtering communication
US6327657B1 (en) * 1998-05-07 2001-12-04 At&T Corp. Method and apparatus for creating electronic water marks in digital data
US7216232B1 (en) * 1999-04-20 2007-05-08 Nec Corporation Method and device for inserting and authenticating a digital signature in digital data
US7213265B2 (en) * 2000-11-15 2007-05-01 Lockheed Martin Corporation Real time active network compartmentalization
US7225467B2 (en) * 2000-11-15 2007-05-29 Lockheed Martin Corporation Active intrusion resistant environment of layered object and compartment keys (airelock)
US6993574B2 (en) * 2001-06-19 2006-01-31 Zoetics, Inc. Web-based communications addressing system and method
US20070061884A1 (en) * 2002-10-29 2007-03-15 Dapp Michael C Intrusion detection accelerator
US7080094B2 (en) * 2002-10-29 2006-07-18 Lockheed Martin Corporation Hardware accelerated validating parser
US7146643B2 (en) * 2002-10-29 2006-12-05 Lockheed Martin Corporation Intrusion detection accelerator
US20040083466A1 (en) * 2002-10-29 2004-04-29 Dapp Michael C. Hardware parser accelerator
AU2003277247A1 (en) * 2003-02-28 2004-09-28 Lockheed Martin Corporation Hardware accelerator state table compiler
FR2914805A1 (fr) 2007-04-03 2008-10-10 Thales Sa Architecture d'un reseau local ouvert support de services audio entre usagers ip appartenant a des domaines cloisonnes

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55156497A (en) * 1979-05-23 1980-12-05 Nec Corp Selective signal transmission system
JPS57111166A (en) * 1980-12-26 1982-07-10 Fujitsu Ltd Add-on connection system
JPS57133735A (en) * 1981-02-13 1982-08-18 Sony Corp Data transmission device
US4870571A (en) * 1983-05-04 1989-09-26 The Johns Hopkins University Intercomputer communications based on message broadcasting with receiver selection
GB8420702D0 (en) * 1984-08-15 1984-09-19 British Telecomm Cordless telephones
US4763351A (en) * 1985-04-24 1988-08-09 Lipscher Bernard N Computer security system
US4679226A (en) * 1985-06-17 1987-07-07 Alltel Corporation Computer security guard circuit
JPH0685517B2 (ja) * 1985-06-28 1994-10-26 ソニー株式会社 情報サ−ビスシステム
US4888796A (en) * 1987-08-31 1989-12-19 Olivo Jr John W Program material screening device
US4919545A (en) * 1988-12-22 1990-04-24 Gte Laboratories Incorporated Distributed security procedure for intelligent networks
FR2649842B1 (fr) * 1989-07-17 1994-04-08 Alcatel Cit Reseau d'acces pour service de telephonie sans fil
NO168860C (no) * 1989-11-13 1992-04-08 Alcatel Stk As Kommunikasjonsnettverk
NO169209C (no) * 1989-12-22 1992-05-20 Alcatel Stk As Fremgangsmaate og system for etablering av konferanseforbindelse.
JPH05114905A (ja) * 1991-04-08 1993-05-07 Digital Equip Corp <Dec> 単一アドレス及びプロトコール・テーブル・ブリツジを使用したメツセージの処置フイルタリング
US5349583A (en) * 1991-08-16 1994-09-20 International Business Machines Corporation Multi-channel token ring
GB2267625B (en) * 1992-05-20 1996-08-21 Northern Telecom Ltd Video services
KR960014983B1 (ko) * 1992-08-31 1996-10-23 가부시끼가이샤 도시바 LAN(Local Area Network) 접속장치

Also Published As

Publication number Publication date
US5742771A (en) 1998-04-21
DE69510869T2 (de) 2000-01-20
EP0690604B1 (de) 1999-07-21
FR2721781A1 (fr) 1995-12-29
EP0690604A1 (de) 1996-01-03
FR2721781B1 (fr) 1996-07-19

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee