NO960626L - Fremgangsmåte for forbindelsesoppbygging-sperre/-frigivelse ved telefonnett/ISDN - Google Patents

Fremgangsmåte for forbindelsesoppbygging-sperre/-frigivelse ved telefonnett/ISDN

Info

Publication number
NO960626L
NO960626L NO960626A NO960626A NO960626L NO 960626 L NO960626 L NO 960626L NO 960626 A NO960626 A NO 960626A NO 960626 A NO960626 A NO 960626A NO 960626 L NO960626 L NO 960626L
Authority
NO
Norway
Prior art keywords
connection
isdn
release
building block
lock
Prior art date
Application number
NO960626A
Other languages
English (en)
Other versions
NO960626D0 (no
Inventor
Ulrich Hartmann
Werner Schnellhaas
Original Assignee
Deutsche Telekom 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 Deutsche Telekom Ag filed Critical Deutsche Telekom Ag
Publication of NO960626D0 publication Critical patent/NO960626D0/no
Publication of NO960626L publication Critical patent/NO960626L/no

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/66—Substation equipment, e.g. for use by subscribers with means for preventing unauthorised or fraudulent calling
    • H04M1/667—Preventing unauthorised calls from a telephone set
    • H04M1/67—Preventing unauthorised calls from a telephone set by electronic means
    • H04M1/673—Preventing unauthorised calls from a telephone set by electronic means the user being required to key in a code
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/66—Substation equipment, e.g. for use by subscribers with means for preventing unauthorised or fraudulent calling
    • H04M1/677—Preventing the dialling or sending of predetermined telephone numbers or selected types of telephone numbers, e.g. long distance numbers

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Telephone Function (AREA)
  • Telephonic Communication Services (AREA)

Abstract

Fremgangsmåte for forbindelsesoppbygning-sperre/frigivelse i telefonnett/ISDN hvor det forhindres manipulering av ikke-autoriserte personer i området av endeinnremingen (EE) og i tilslutningsnettområdet. Det foretas en målrettet aktivering hhv. desaktivering av en spesiell teletjénestefaktor (BDM), som inneholder en sperrerunksjon betegnet som "individuell sperre". Ved hvert forbindelsesoppbygningsforsøk blir i formidlingsinnretningen (VE) automatisk overprøvd om de første mottatte velgertegn overensstemmer med velgertegnene som er lagret i formidlingsinnretningen (VE) for tilslutning i form av en enkel-frigivelses-kode. Dersom det foreligger overensstemmelse blir sperrerunksjonen "individuell sperre" for det påfølgende anropsnummer opphevet og forbindelse opprettet. Etter frakobling av forbindelsen blir sperrefunksjonen "individuell sperre" automatisk aktivert. Fremgangsmåten kan anvendes for AnTelAs (analoge telefontilslutninger) og Univ/E- ISDN-As (universell-/euro-ISDN-tilslutninger) til digitale formidlingsinnretninger (VE) og også for analoge telefontilslutninger til analoge formidlingsinnretninger (VE).
NO960626A 1995-04-25 1996-02-16 Fremgangsmåte for forbindelsesoppbygging-sperre/-frigivelse ved telefonnett/ISDN NO960626L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19515105 1995-04-25

Publications (2)

Publication Number Publication Date
NO960626D0 NO960626D0 (no) 1996-02-16
NO960626L true NO960626L (no) 1996-10-28

Family

ID=7760275

Family Applications (1)

Application Number Title Priority Date Filing Date
NO960626A NO960626L (no) 1995-04-25 1996-02-16 Fremgangsmåte for forbindelsesoppbygging-sperre/-frigivelse ved telefonnett/ISDN

Country Status (4)

Country Link
EP (1) EP0740448A3 (no)
FI (1) FI961762A (no)
HU (1) HUP9600540A2 (no)
NO (1) NO960626L (no)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3750439D1 (de) * 1986-06-20 1994-10-06 Siemens Ag Verfahren für ein Kommunikationssystem, insbesondere für ein Fernsprechnebenstellensystem, bei dem zeitweise eine Umschaltung auf geänderte Verkehrsmöglichkeiten erfolgt.
GB2211695A (en) * 1987-10-27 1989-07-05 Gina Parmar Security device for a telephone
US5109408A (en) * 1989-11-30 1992-04-28 At&T Bell Laboratories Arrangement for intentionally blocking telephone calls to predefined destination numbers but allowing such blocking to be selectively overridden
JPH05284228A (ja) * 1990-04-05 1993-10-29 Texas Instr Inc <Ti> 電話通信サービスへのアクセスを認可する方法
DE4333389A1 (de) * 1993-09-30 1995-04-06 Siemens Ag Verfahren zur teilnehmerorientierten Freigabesteuerung von Leistungsmerkmalen eines Kommunikationssystems

Also Published As

Publication number Publication date
EP0740448A3 (de) 1999-03-31
FI961762A (fi) 1996-10-26
EP0740448A2 (de) 1996-10-30
HUP9600540A2 (en) 1996-11-28
FI961762A0 (fi) 1996-04-24
NO960626D0 (no) 1996-02-16
HU9600540D0 (en) 1996-04-29

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