CA2232168A1 - Methode de filtrage d'appels - Google Patents

Methode de filtrage d'appels Download PDF

Info

Publication number
CA2232168A1
CA2232168A1 CA 2232168 CA2232168A CA2232168A1 CA 2232168 A1 CA2232168 A1 CA 2232168A1 CA 2232168 CA2232168 CA 2232168 CA 2232168 A CA2232168 A CA 2232168A CA 2232168 A1 CA2232168 A1 CA 2232168A1
Authority
CA
Canada
Prior art keywords
blocked
call
list
subscriber
calls
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
CA 2232168
Other languages
English (en)
Inventor
Wynn Quon
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.)
Microsemi Semiconductor ULC
Original Assignee
Mitel 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 Mitel Corp filed Critical Mitel Corp
Publication of CA2232168A1 publication Critical patent/CA2232168A1/fr
Abandoned legal-status Critical Current

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
    • H04M1/663—Preventing unauthorised calls to a telephone set
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/436—Arrangements for screening incoming calls, i.e. evaluating the characteristics of a call before deciding whether to answer it

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Telephonic Communication Services (AREA)
CA 2232168 1997-04-07 1998-03-16 Methode de filtrage d'appels Abandoned CA2232168A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US83342597A 1997-04-07 1997-04-07
US08/833,425 1997-04-07

Publications (1)

Publication Number Publication Date
CA2232168A1 true CA2232168A1 (fr) 1998-10-07

Family

ID=25264385

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2232168 Abandoned CA2232168A1 (fr) 1997-04-07 1998-03-16 Methode de filtrage d'appels

Country Status (2)

Country Link
CA (1) CA2232168A1 (fr)
GB (1) GB2324224B (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2379838B (en) * 1998-04-29 2003-07-30 Mercury Personal Comm Ltd Call routing in a telephone system
SE515820C3 (sv) 1998-09-01 2001-12-11 Ericsson Telefon Ab L M Mobiltelefonapparat och metod för vidarekoppling av samtal
NL1015006C2 (nl) * 2000-04-25 2001-10-26 Koninkl Kpn Nv Telecommunicatienetwerk.
DE10032014B4 (de) * 2000-07-01 2007-06-21 Deutsche Telekom Ag Intelligenter Anrufwächter
GB2369529A (en) * 2000-11-22 2002-05-29 Motorola Inc Call screening based on subscriber location in a cellular communication system
GB2402017A (en) * 2003-05-21 2004-11-24 Martin Dawes Systems No numbers directory enquiry service
GB0522358D0 (en) * 2005-11-02 2005-12-07 Mcfeeters Ken Call interceptor
DE102006027386A1 (de) * 2006-06-13 2007-12-20 Nokia Siemens Networks Gmbh & Co.Kg Verfahren und Vorrichtung zur Abwehr von ungewünschten Telefonanrufen

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5276731A (en) * 1991-04-26 1994-01-04 Rolm Company Method and apparatus for handling incoming telephone calls
US6009082A (en) * 1993-01-08 1999-12-28 Multi-Tech Systems, Inc. Computer-based multifunction personal communication system with caller ID
US5467388A (en) * 1994-01-31 1995-11-14 Bell Atlantic Network Services, Inc. Method and apparatus for selectively blocking incoming telephone calls

Also Published As

Publication number Publication date
GB9806191D0 (en) 1998-05-20
GB2324224A (en) 1998-10-14
GB2324224B (en) 1999-03-10

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Legal Events

Date Code Title Description
EEER Examination request
FZDE Dead