(19)
(11) EP 4 218 224 A1

(12)

(43) Date of publication:
02.08.2023 Bulletin 2023/31

(21) Application number: 21790998.5

(22) Date of filing: 23.09.2021
(51) International Patent Classification (IPC): 
H04M 15/00(2006.01)
H04L 12/14(2006.01)
G06F 16/18(2019.01)
 H04M 15/06(2006.01)
H04W 4/24(2018.01)
(52) Cooperative Patent Classification (CPC):
H04M 15/47; H04M 15/50; H04M 15/73; H04M 15/06; H04M 15/41; H04L 12/14; H04M 15/48; H04W 4/24; H04M 15/58
(86) International application number:
PCT/IB2021/058668
(87) International publication number:
WO 2022/064404 (31.03.2022 Gazette 2022/13)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME
Designated Validation States:
KH MA MD TN

(30) Priority: 23.09.2020 IT 202000022450

(71) Applicant: Engineering Ingegneria Informatica S.p.A.
00144 Roma (IT)

(72) Inventors:
  • PARAGGIO, Egidio
    00182 Roma (IT)
  • DOMIGNONI, Alessia
    00163 Roma (IT)
  • ISAJA, Mauro
    53031 Casole d'Elsa (SI) (IT)
  • PAZZAGLI, Daniela
    00134 Roma (IT)

(74) Representative: Marchioro, Paolo 
Studio Bonini S.r.l. Corso Fogazzaro, 8
36100 Vicenza
36100 Vicenza (IT)

   


(54) METHOD FOR RECORDING, CERTIFYING AND VALIDATING DATA OF INTER-OPERATOR CALLS OF A GROUP OF TELEPHONE OPERATORS, IN ORDER TO DETECT POSSIBLE TELEPHONE FRAUDS OF THE CALLING LINE IDENTITY SPOOFING TYPE