(19)

(11)

EP 1 161 847 A1

(12)

(43) Date of publication: 12.12.2001 Bulletin 2001/50 (21) Application number: 00917924.3 (22) Date of filing: 14.03.2000

(51) International Patent Classification (IPC)7: H04Q 7/34 (86) International application number: PCT/US0006/652 (87) International publication number: WO 0056/098 (21.09.2000 Gazette 2000/38)

(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: 17.03.1999 US 271105 08.09.1999 US 392012 (71) Applicant: Telephia, Inc. San Francisco, CA 94133 (US)	(72) Inventors: FRANGIONE, Tom Novato, CA 94945 (US) HEIDOHRN, Mark Pleasanton, CA 94588 (US) OYLER, John San Francisco, CA 94133 (US) PEYRAT, Alan San Francisco, CA 94133 (US) (74) Representative: Smith, Samuel Leonard  J.A. Kemp & Co.,14 South Square,Gray's Inn London WC1R 5JJ London WC1R 5JJ (GB)