(19)

(11)

EP 1 118 186 A1

(12)

(43) Date of publication: 25.07.2001 Bulletin 2001/30 (21) Application number: 99953006.6 (22) Date of filing: 01.10.1999

(51) International Patent Classification (IPC)7: H04L 12/28, H04L 12/46, H04L 12/66 (86) International application number: PCT/US9922/773 (87) International publication number: WO 0019/665 (06.04.2000 Gazette 2000/14)

(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: 01.10.1998 US 102656 P (71) Applicant: Cornice Communications, Inc. Andover, MA 01810-2452 (US)	(72) Inventors: LENROW, David, R. Lexington, MA 02421 (US) MILLER, Mark, W. Artkinson, NH 03811 (US) (74) Representative: Walaski, Jan Filip  Venner, Shipley & Co,20 Little Britain London EC1A 7DH London EC1A 7DH (GB)