FI961762A - Method of blocking / disabling connection in the telephone network / ISDN - Google Patents

Method of blocking / disabling connection in the telephone network / ISDN Download PDF

Info

Publication number
FI961762A
FI961762A FI961762A FI961762A FI961762A FI 961762 A FI961762 A FI 961762A FI 961762 A FI961762 A FI 961762A FI 961762 A FI961762 A FI 961762A FI 961762 A FI961762 A FI 961762A
Authority
FI
Finland
Prior art keywords
isdn
blocking
telephone network
disabling connection
disabling
Prior art date
Application number
FI961762A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI961762A0 (en
Inventor
Ulrich Hartmann
Werner Schellhaas
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 FI961762A0 publication Critical patent/FI961762A0/en
Publication of FI961762A publication Critical patent/FI961762A/en

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)
  • Telephonic Communication Services (AREA)
  • Telephone Function (AREA)
  • Mobile Radio Communication Systems (AREA)
FI961762A 1995-04-25 1996-04-24 Method of blocking / disabling connection in the telephone network / ISDN FI961762A (en)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
FI961762A0 FI961762A0 (en) 1996-04-24
FI961762A true FI961762A (en) 1996-10-26

Family

ID=7760275

Family Applications (1)

Application Number Title Priority Date Filing Date
FI961762A FI961762A (en) 1995-04-25 1996-04-24 Method of blocking / disabling connection in the telephone network / ISDN

Country Status (4)

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

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE110916T1 (en) * 1986-06-20 1994-09-15 Siemens Ag PROCEDURE FOR A COMMUNICATIONS SYSTEM, ESPECIALLY FOR A TELEPHONE PBX SYSTEM, IN WHICH A TEMPORARY SWITCHING TO ALTERED TRANSPORT OPTIONS OCCURS.
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 (en) * 1990-04-05 1993-10-29 Texas Instr Inc <Ti> Method for approving access to telecommunication service
DE4333389A1 (en) * 1993-09-30 1995-04-06 Siemens Ag Procedure for the subscriber-oriented release control of performance features of a communication system

Also Published As

Publication number Publication date
NO960626L (en) 1996-10-28
HU9600540D0 (en) 1996-04-29
EP0740448A3 (en) 1999-03-31
EP0740448A2 (en) 1996-10-30
HUP9600540A2 (en) 1996-11-28
NO960626D0 (en) 1996-02-16
FI961762A0 (en) 1996-04-24

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Legal Events

Date Code Title Description
FD Application lapsed