(19)

(11)

EP 1 216 574 A1

(12)

(43) Date of publication: 26.06.2002 Bulletin 2002/26 (21) Application number: 00966721.3 (22) Date of filing: 13.09.2000

(51) International Patent Classification (IPC)7: H04N 7/03, H04N 7/08, H04N 7/12, H04N 7/173, G06F 15/16 (86) International application number: PCT/US0025/121 (87) International publication number: WO 0120/907 (22.03.2001 Gazette 2001/12)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE Designated Extension States: AL LT LV MK RO SI (30) Priority: 13.09.1999 US 153735 P 24.07.2000 US 621839 (71) Applicant: Vesta Broadband Services Inc. McKinney, TX 75070 (US)	(72) Inventors: JAVED, Shoeb, M. Plano, TX 75025 (US) TUDER, John, E. Celina, TX 75009 (US) Adivi, Venkatesh San Antonio, TX 78230 (US) (74) Representative: Williams, David John  Page White & Farrer,54 Doughty Street London WC1N 2LS London WC1N 2LS (GB)