(19)

(11)

EP 2 153 676 A1

(12)

(43) Date of publication: 17.02.2010 Bulletin 2010/07 (21) Application number: 07866644.3 (22) Date of filing: 25.05.2007

(51) International Patent Classification (IPC):  H04Q 7/22(0000.00) (86) International application number: PCT/IB2007/052719 (87) International publication number: WO 2008/146097 (04.12.2008 Gazette 2008/49)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR Designated Extension States: AL BA HR MK RS (71) Applicant: Alcatel Lucent 75008 Paris (FR)	(72) Inventor: GUPTA, Vikas Karnal-132001, Haryana (IN) (74) Representative: Sciaux, Edmond  Alcatel Lucent Intellectual Property & Standards 54 Rue La Boétie 75008 Paris 75008 Paris (FR)