(19)
(11) EP 1 192 792 A2

(12)

(88) Date of publication A3:
31.05.2001

(43) Date of publication:
03.04.2002 Bulletin 2002/14

(21) Application number: 00940088.8

(22) Date of filing: 09.06.2000
(51) International Patent Classification (IPC)7H04M 9/00
(86) International application number:
PCT/CA0000/702
(87) International publication number:
WO 0077/492 (21.12.2000 Gazette 2000/51)
(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: 11.06.1999 CA 2274205
22.06.1999 US 337640

(71) Applicant: Nortel Networks Limited
St. Laurent,Quebec H4S 2A9 (CA)

(72) Inventors:
  • DOWSER, Michael, T.
    Greely, Ontario K4P 1G4 (CA)
  • MACAULEY, Robert, P.
    Gloucester, Ontario K1X 1H3 (CA)
  • EGAN, Brian, B.
    Stittsville, Ontario K2S 1C3 (CA)
  • MEIJER, Frank, F.
    Ottawa, Ontario K1H 7A7 (CA)
  • SOLAR, Christopher, R.
    Ottawa, Ontario K1S 2W3 (CA)
  • THIBAULT, Daniel, D.
    Carleton Place, Ontario K7C 4G1 (CA)

(74) Representative: Boyce, Conor 
F. R. Kelly & Co.,27 Clyde Road,Ballsbridge
Dublin 4
Dublin 4 (IE)

   


(54) METHOD AND APPARATUS ALLOWING REMOTE KEY SYSTEM UNITS TO INTEROPERATE