(19)

(11)

EP 1 145 167 A2

(12)

(43) Date of publication: 17.10.2001 Bulletin 2001/42 (21) Application number: 00938395.1 (22) Date of filing: 08.06.2000

(51) International Patent Classification (IPC)7: G06F 17/60 (86) International application number: PCT/CA0000/689 (87) International publication number: WO 0103/023 (11.01.2001 Gazette 2001/02)

(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: 30.06.1999 US 343391 (71) Applicant: NORTEL NETWORKS CORPORATION MontrealQuebec H2Y 3Y4 (CA)	(72) Inventors: ROCHFORD, Suzanne, L. Hull, Quebec J8Z 3G9 (US) WILLE, Allan Ottawa, Ontario K2P 0V6 (US) (74) Representative: Boyce, Conor et al F. R. Kelly & Co.,27 Clyde Road,Ballsbridge Dublin 4 Dublin 4 (IE)
	Remarks: WIPO A3 publication data is not currently available.