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(11)

EP 0 958 673 A2

(12)

(43) Date of publication: 24.11.1999 Bulletin 1999/47 (21) Application number: 97944079.0 (22) Date of filing: 13.10.1997

(51) International Patent Classification (IPC):  H04L 12/ 22( . ) H04L 29/ 06( . ) H04L 12/ 58( . ) (86) International application number: PCT/IL1997/000329 (87) International publication number: WO 1998/017042 (23.04.1998 Gazette 1998/16)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 15.10.1996 IL 19960119430 (71) Applicant: Diversinet Corp. Toronto, Ontario M1V 4C4 (CA)	(72) Inventor: Diversinet Corp. Toronto, Ontario M1V 4C4 (CA) (74) Representative: Gritschneder, Martin, Dipl.-Phys., et al  Patentanwälte Abitz & Partner Postfach 86 01 09 81628 München 81628 München (DE)