(19)

(11)

EP 1 076 870 A1

(12)

(43) Date of publication: 21.02.2001 Bulletin 2001/08 (21) Application number: 99921812.6 (22) Date of filing: 07.05.1999

(51) International Patent Classification (IPC)7: G06F 17/60 (86) International application number: PCT/US9910/143 (87) International publication number: WO 9959/093 (18.11.1999 Gazette 1999/46)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 08.05.1998 US 84794 P 01.07.1998 US 110108 01.07.1998 US 110109 01.07.1998 US 110103 01.07.1998 US 110107 01.07.1998 US 110106 (71) Applicant: e-talk Corporation Irving, TX 75063-2825 (US)	(72) Inventors: POWERS, Michael, C. Irving, TX 75039 (US) SUDBERRY, Douglas, A. Grapevine, TX 76051 (US) EILER, James, A. Irving, TX 75062 (US) BENNETT, Robert, S. Franklin, TN 37069 (US) PHILLIPS, Clifford, R. Bedford, TX 76021 (US) (74) Representative: Lawrence, John  Barker Brettell 138 Hagley RoadEdgbaston Birmingham B16 9PW Birmingham B16 9PW (GB)