AU1686197A - Security for calling card validation - Google Patents

Security for calling card validation

Info

Publication number
AU1686197A
AU1686197A AU16861/97A AU1686197A AU1686197A AU 1686197 A AU1686197 A AU 1686197A AU 16861/97 A AU16861/97 A AU 16861/97A AU 1686197 A AU1686197 A AU 1686197A AU 1686197 A AU1686197 A AU 1686197A
Authority
AU
Australia
Prior art keywords
security
calling card
card validation
validation
calling
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.)
Abandoned
Application number
AU16861/97A
Inventor
Jingsha He
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.)
MCI Communications Corp
Original Assignee
MCI Communications Corp
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 MCI Communications Corp filed Critical MCI Communications Corp
Publication of AU1686197A publication Critical patent/AU1686197A/en
Abandoned legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/38—Graded-service arrangements, i.e. some subscribers prevented from establishing certain connections
    • H04M3/382—Graded-service arrangements, i.e. some subscribers prevented from establishing certain connections using authorisation codes or passwords
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Telephonic Communication Services (AREA)
AU16861/97A 1995-12-29 1996-12-30 Security for calling card validation Abandoned AU1686197A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US58174795A 1995-12-29 1995-12-29
US581747 1995-12-29
PCT/US1996/020282 WO1997024857A1 (en) 1995-12-29 1996-12-30 Security for calling card validation

Publications (1)

Publication Number Publication Date
AU1686197A true AU1686197A (en) 1997-07-28

Family

ID=24326415

Family Applications (1)

Application Number Title Priority Date Filing Date
AU16861/97A Abandoned AU1686197A (en) 1995-12-29 1996-12-30 Security for calling card validation

Country Status (2)

Country Link
AU (1) AU1686197A (en)
WO (1) WO1997024857A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19806369C2 (en) * 1998-02-17 2000-04-27 Deutsche Telekom Ag Procedure for billing between a service provider that offers a calling card service and a service provider that provides network access to the calling card service
US7966497B2 (en) 2002-02-15 2011-06-21 Qualcomm Incorporated System and method for acoustic two factor authentication
US7401224B2 (en) 2002-05-15 2008-07-15 Qualcomm Incorporated System and method for managing sonic token verifiers

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5163097A (en) * 1991-08-07 1992-11-10 Dynamicserve, Ltd. Method and apparatus for providing secure access to a limited access system

Also Published As

Publication number Publication date
WO1997024857A1 (en) 1997-07-10

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