(19)

(11)

EP 0 986 919 A2

(12)

(88) Date of publication A3: 01.04.1999 (43) Date of publication: 22.03.2000 Bulletin 2000/12 (21) Application number: 98936801.4 (22) Date of filing: 04.06.1998

(51) International Patent Classification (IPC)7: H04Q 3/00, H04M 7/00, H04M 3/42 (86) International application number: PCT/US9811/865 (87) International publication number: WO 9856/133 (10.12.1998 Gazette 1998/49)

(84) Designated Contracting States: DE FR GB IT SE (30) Priority: 04.06.1997 US 48592 P (71) Applicant: Telcordia Technologies, Inc. Morristown, NJ 07960-6438 (US)	(72) Inventor: Telcordia Technologies, Inc. Morristown, NJ 07960-6438 (US) (74) Representative: Poulin, Gérard et al Société de Protection des Inventions3, rue du Docteur Lancereaux 75008 Paris 75008 Paris (FR)