ES2103638A1 - Aparato para el control de acceso telefonico. - Google Patents

Aparato para el control de acceso telefonico.

Info

Publication number
ES2103638A1
ES2103638A1 ES09401104A ES9401104A ES2103638A1 ES 2103638 A1 ES2103638 A1 ES 2103638A1 ES 09401104 A ES09401104 A ES 09401104A ES 9401104 A ES9401104 A ES 9401104A ES 2103638 A1 ES2103638 A1 ES 2103638A1
Authority
ES
Spain
Prior art keywords
coming
controlling
control module
criterion
call
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.)
Granted
Application number
ES09401104A
Other languages
English (en)
Other versions
ES2103638B1 (es
Inventor
Cotes Esteban Munoz
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.)
APROVISIONAMIENTO DE ZUMOS NAT
Original Assignee
APROVISIONAMIENTO DE ZUMOS NAT
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 APROVISIONAMIENTO DE ZUMOS NAT filed Critical APROVISIONAMIENTO DE ZUMOS NAT
Priority to ES9401104A priority Critical patent/ES2103638B1/es
Priority to EP95919460A priority patent/EP0713315A1/en
Priority to PCT/ES1995/000061 priority patent/WO1995032576A1/es
Publication of ES2103638A1 publication Critical patent/ES2103638A1/es
Application granted granted Critical
Publication of ES2103638B1 publication Critical patent/ES2103638B1/es
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H04M1/665—Preventing unauthorised calls to a telephone set by checking the validity of a code

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Telephonic Communication Services (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Exchange Systems With Centralized Control (AREA)

Abstract

APARATO PARA EL CONTROL DE ACCESO TELEFONICO. EL APARATO COMPRENDE UN MODULO DE CONTROL MEDIANTE MICROPROCESADOR CONECTADO CON LA LINEA TELEFONICA, CON INTERMEDIO DE UN MODULO DE ACOPLAMIENTO INTERFAZ Y SEPARADOR DE LINEA Y UN DETECTOR DE LLAMADA, QUEDANDO INTERCONECTADO EL MODULO DE CONTROL A UNA MEMORIA DE DATOS VISUALIZABLES Y TECLADO Y A UNA MEMORIA DE PROGRAMA DE UTILIZACION, ASI COMO A SENDOS CONMUTADORES DE OPCIONES Y DE CONMUTACION ELECTRONICA Y A UN SINTETIZADOR CON MEMORIAS DE MENSAJES Y A UN DECODIFICADOR DTMF, PERMITIENDO EFECTUAR EL CONTROL OPCIONAL DE LAS LLAMADAS ENTRANTES SEGUN UN CRITERIO DE ADMISION TOTAL O DE RECHAZO TOTAL Y SEGUN UN CRITERIO INTERMEDIO DE PETICION Y RECEPCION DE UNA SEÑAL DE CODIFICACION PARA PERMITIR ACCESO A UNA LLAMADA ENTRANTE.
ES9401104A 1994-05-19 1994-05-19 Aparato para el control de acceso telefonico. Expired - Fee Related ES2103638B1 (es)

Priority Applications (3)

Application Number Priority Date Filing Date Title
ES9401104A ES2103638B1 (es) 1994-05-19 1994-05-19 Aparato para el control de acceso telefonico.
EP95919460A EP0713315A1 (en) 1994-05-19 1995-05-18 Apparatus for controlling the telephone access of in-coming calls
PCT/ES1995/000061 WO1995032576A1 (es) 1994-05-19 1995-05-18 Aparato para el control de acceso telefonico para las llamadas entrantes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES9401104A ES2103638B1 (es) 1994-05-19 1994-05-19 Aparato para el control de acceso telefonico.

Publications (2)

Publication Number Publication Date
ES2103638A1 true ES2103638A1 (es) 1997-09-16
ES2103638B1 ES2103638B1 (es) 1998-05-01

Family

ID=8286324

Family Applications (1)

Application Number Title Priority Date Filing Date
ES9401104A Expired - Fee Related ES2103638B1 (es) 1994-05-19 1994-05-19 Aparato para el control de acceso telefonico.

Country Status (3)

Country Link
EP (1) EP0713315A1 (es)
ES (1) ES2103638B1 (es)
WO (1) WO1995032576A1 (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9807642D0 (en) * 1998-04-14 1998-06-10 Status Hi Tech Limited Telephone signal filtering apparatus

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4791664A (en) * 1986-09-12 1988-12-13 Lutz Joseph M System for selectively receiving telephone calls
FR2625860A1 (fr) * 1988-01-11 1989-07-13 Ceicom Procede et dispositif en vue de limiter les appels vers un telephone
US4860347A (en) * 1988-08-10 1989-08-22 Costello Lloyd M Phone screen security system
US4926470A (en) * 1988-10-14 1990-05-15 Sanford David M Telephone call screening circuit
GB2240903A (en) * 1990-02-13 1991-08-14 Proton Communications Automatic telephone call interceptor and interrogator devices

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3826100A1 (de) * 1988-08-01 1990-02-08 Licentia Gmbh Gesteuerte telefonsperreinrichtung
US5228075A (en) * 1989-11-29 1993-07-13 Hyundai Electronics Co., Ltd. Telephone capable of selectively accepting callers and enabling partial recognition of callers

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4791664A (en) * 1986-09-12 1988-12-13 Lutz Joseph M System for selectively receiving telephone calls
FR2625860A1 (fr) * 1988-01-11 1989-07-13 Ceicom Procede et dispositif en vue de limiter les appels vers un telephone
US4860347A (en) * 1988-08-10 1989-08-22 Costello Lloyd M Phone screen security system
US4926470A (en) * 1988-10-14 1990-05-15 Sanford David M Telephone call screening circuit
GB2240903A (en) * 1990-02-13 1991-08-14 Proton Communications Automatic telephone call interceptor and interrogator devices

Also Published As

Publication number Publication date
EP0713315A1 (en) 1996-05-22
WO1995032576A1 (es) 1995-11-30
ES2103638B1 (es) 1998-05-01

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