(19)

(11)

EP 1 636 942 A1

(12)

(43) Date of publication: 22.03.2006 Bulletin 2006/12 (21) Application number: 04735428.7 (22) Date of filing: 28.05.2004

(51) International Patent Classification (IPC):  H04L 12/28(1990.01) H04L 12/66(1990.01) (86) International application number: PCT/SE2004/000838 (87) International publication number: WO 2004/107667 (09.12.2004 Gazette 2004/50)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR (30) Priority: 02.06.2003 SE 0301600 (71) Applicant: Fält Communications AB 903 47 Ume (SE)	(72) Inventor: LANGSTRÖM, Mikael S-903 52 Ume (SE) (74) Representative: Lautmann, Kurt O  KURT LAUTMANNS PATENTBYRA AB Box 245 691 25 Karlskoga 691 25 Karlskoga (SE)