(19)

(11)

EP 1 325 420 A1

(12)

(43) Date of publication: 09.07.2003 Bulletin 2003/28 (21) Application number: 01969002.3 (22) Date of filing: 06.09.2001

(51) International Patent Classification (IPC)7: G06F 13/00, G06F 17/30, H04N 1/00 (86) International application number: PCT/US0142/039 (87) International publication number: WO 0202/1289 (14.03.2002 Gazette 2002/11)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR Designated Extension States: AL LT LV MK RO SI (30) Priority: 08.09.2000 US 231269 P 07.11.2000 US 707381 (71) Applicant: Worldcom, Inc. Jackson, MS 39201 (US)	(72) Inventors: WELSH, Shawn, P. Jackson, MS 39211 (US) SANDLIN, Joseph, R., Jr. Brandon, MS 39042 (US) (74) Representative: Hofmann, Harald  Sonnenberg Fortmann,Postfach 33 08 65 80068 München 80068 München (DE)