(19)

(11)

EP 4 218 247 A1

(12)

(43) Date of publication: 02.08.2023 Bulletin 2023/31 (21) Application number: 21791542.0 (22) Date of filing: 22.09.2021

(51) International Patent Classification (IPC):  H04N 21/234(2011.01) H04N 21/2343(2011.01) H04N 21/84(2011.01) H04N 19/40(2014.01) H04N 21/2662(2011.01) (52) Cooperative Patent Classification (CPC): H04N 21/234309; H04N 21/23418; H04N 21/2662; H04N 21/84; H04N 19/40; H04N 19/102; H04N 19/136; H04N 19/154; H04N 19/59; H04N 19/46 (86) International application number: PCT/US2021/051482 (87) International publication number: WO 2022/066717 (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: 24.09.2020 US 202063082677 P 24.09.2020 US 202063082704 P (71) Applicant: Centurylink Intellectual Property LLC Broomfield, Colorado 80021 (US)	(72) Inventors: CASEY, Steven M. Broomfield, Colorado 80021 (US) OPFERMAN, Stephen Broomfield, Colorado 80021 (US) (74) Representative: Marks & Clerk LLP  15 Fetter Lane London EC4A 1BW London EC4A 1BW (GB)