(19)

(11)

EP 1 419 604 A1

(12)

(43) Date of publication: 19.05.2004 Bulletin 2004/21 (21) Application number: 02754029.3 (22) Date of filing: 13.08.2002

(51) International Patent Classification (IPC)7: H04L 1/00, H04L 1/18 (86) International application number: PCT/CA2002/001252 (87) International publication number: WO 2003/017560 (27.02.2003 Gazette 2003/09)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR Designated Extension States: AL LT LV MK RO SI (30) Priority: 14.08.2001 US 311828 P (71) Applicant: Redline Communications Inc. Toronto,Ontario L3R 9V2 (CA)	(72) Inventors: SARCA, Octavian, V. Toronto, Ontario M2J 3T5 (CA) CRETU, Serban Toronto, Ontario M2J 2X8 (CA) PICU, Aurel, V. Toronto, Ontario M4P 1R8 (CA) (74) Representative: Skone James, Robert Edmund  GILL JENNINGS & EVERYBroadgate House7 Eldon Street London EC2M 7LH London EC2M 7LH (GB)