(19)

(11)

EP 1 232 644 A1

(12)

(43) Date of publication: 21.08.2002 Bulletin 2002/34 (21) Application number: 00977136.1 (22) Date of filing: 09.11.2000

(51) International Patent Classification (IPC)7: H04M 9/00 (86) International application number: PCT/US0030/898 (87) International publication number: WO 0103/5624 (17.05.2001 Gazette 2001/20)

(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: 10.11.1999 CA 2289275 (71) Applicant: Catena Networks, Inc. Redwood Shores, CA 94065 (US)	(72) Inventors: KUMAR, Yatish Ottawa, Ontario K1Y 0G8 (CA) MCCLENNON, Scott Ottawa, Ontario K2C 0G3 (CA) (74) Representative: Goddar, Heinz J.  Forrester & BoehmertPettenkoferstrasse 20-22 80336 München 80336 München (DE)