ES352547A1 - Unidad para bloqueo parcial de abonados para centrales te- lefonicas. - Google Patents

Unidad para bloqueo parcial de abonados para centrales te- lefonicas.

Info

Publication number
ES352547A1
ES352547A1 ES352547A ES352547A ES352547A1 ES 352547 A1 ES352547 A1 ES 352547A1 ES 352547 A ES352547 A ES 352547A ES 352547 A ES352547 A ES 352547A ES 352547 A1 ES352547 A1 ES 352547A1
Authority
ES
Spain
Prior art keywords
subscriber
store
subscribers
call
blocked
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
Application number
ES352547A
Other languages
English (en)
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.)
Nokia Spain SA
Original Assignee
Alcatel Espana 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 Alcatel Espana SA filed Critical Alcatel Espana SA
Publication of ES352547A1 publication Critical patent/ES352547A1/es
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • 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)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Exchange Systems With Centralized Control (AREA)
  • Devices For Supply Of Signal Current (AREA)
ES352547A 1967-04-08 1968-04-08 Unidad para bloqueo parcial de abonados para centrales te- lefonicas. Expired ES352547A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEST026717 1967-04-08

Publications (1)

Publication Number Publication Date
ES352547A1 true ES352547A1 (es) 1969-08-01

Family

ID=7461096

Family Applications (1)

Application Number Title Priority Date Filing Date
ES352547A Expired ES352547A1 (es) 1967-04-08 1968-04-08 Unidad para bloqueo parcial de abonados para centrales te- lefonicas.

Country Status (4)

Country Link
BE (1) BE731978A (es)
DE (1) DE1512981B2 (es)
ES (1) ES352547A1 (es)
GB (1) GB1162484A (es)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4277649A (en) * 1980-01-18 1981-07-07 Bell Telephone Laboratories, Incorporated Method and apparatus for screening telephone calls
US4358640A (en) 1980-11-25 1982-11-09 Murray Leonard Q Telephone security device
US5359645A (en) 1985-07-10 1994-10-25 First Data Corporation Inc. Voice-data telephonic interface control system
US6678360B1 (en) 1985-07-10 2004-01-13 Ronald A. Katz Technology Licensing, L.P. Telephonic-interface statistical analysis system
US5793846A (en) 1985-07-10 1998-08-11 Ronald A. Katz Technology Licensing, Lp Telephonic-interface game control system
US4845739A (en) 1985-07-10 1989-07-04 Fdr Interactive Technologies Telephonic-interface statistical analysis system
US5828734A (en) 1985-07-10 1998-10-27 Ronald A. Katz Technology Licensing, Lp Telephone interface call processing system with call selectivity

Also Published As

Publication number Publication date
BE731978A (es) 1969-10-24
DE1512981A1 (de) 1969-06-26
DE1512981B2 (de) 1975-07-17
GB1162484A (en) 1969-08-27

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