(19)

(11)

EP 1 206 872 A1

(12)

(43) Date of publication: 22.05.2002 Bulletin 2002/21 (21) Application number: 00952189.9 (22) Date of filing: 25.07.2000

(51) International Patent Classification (IPC)7: H04M 1/76, H04M 1/00, H04B 1/38 (86) International application number: PCT/US0020/265 (87) International publication number: WO 0108/388 (01.02.2001 Gazette 2001/05)

(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: 26.07.1999 CA 2278909 (71) Applicant: Catena Networks, Inc. Redwood Shores, CA 94065 (US)	(72) Inventors: BISSON, Robert Kanata, Ontario K2L 2J2 (CA) TREMBLAY, Francois Hull, Quebec J9A 2M5 (CA) (74) Representative: Goddar, Heinz J., Dr.  FORRESTER & BOEHMERTPettenkoferstrasse 20-22 80336 München 80336 München (DE)