(19)

(11)

EP 3 928 221 A1

(12)

(43) Date of publication: 29.12.2021 Bulletin 2021/52 (21) Application number: 20717731.2 (22) Date of filing: 24.02.2020

(51) International Patent Classification (IPC):  G06F 16/33(2019.01) G06F 40/30(2020.01) G06F 16/35(2019.01) (52) Cooperative Patent Classification (CPC): G06F 16/3347; G06F 16/353; G06F 40/30; G06F 40/205 (86) International application number: PCT/US2020/019438 (87) International publication number: WO 2020/172649 (27.08.2020 Gazette 2020/35)

(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: 22.02.2019 US 201916283447 18.02.2020 US 202016794162 (71) Applicant: Vonage Business Inc. San Francisco, CA 94105 (US)	(72) Inventors: KERSHAW, Jonathan Penrith, Cumbria CA10 3AL (GB) UNITT, Ashley Basingstoke, Hampshire RG25 3PD (GB) MCCORD, Alan Wakatipu Queenstown, 9349 (NZ) (74) Representative: D Young & Co LLP  120 Holborn London EC1N 2DY London EC1N 2DY (GB)