(19)

(11)

EP 0 916 217 A2

(12)

(43) Date of publication: 19.05.1999 Bulletin 1999/20 (21) Application number: 97926667.0 (22) Date of filing: 22.05.1997

(51) International Patent Classification (IPC):  H04L 29/ 06( . ) (86) International application number: PCT/US1997/008679 (87) International publication number: WO 1997/044942 (27.11.1997 Gazette 1997/51)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 24.05.1996 US 19960018256P (71) Applicant: Narrative Communications Corp. Waltham, MA 02154 (US)	(72) Inventors: KLIGER, Scott, A. Westborough, MA 02581 (US) MIDDLETON, Thomas, M., III Hingham, MA 02043 (US) WHITE, Gregory, T. Bedford, MA 01730 (US) (74) Representative: Greenwood, John David  Graham Watt & Co. Riverhead Sevenoaks Kent TN13 2BN Sevenoaks Kent TN13 2BN (GB)