(19)
(11) EP 1 208 715 A1

(12)

(43) Date of publication:
29.05.2002 Bulletin 2002/22

(21) Application number: 00959088.6

(22) Date of filing: 31.08.2000
(51) International Patent Classification (IPC)7H04Q 7/38, H04L 29/06
(86) International application number:
PCT/SE0001/673
(87) International publication number:
WO 0117/310 (08.03.2001 Gazette 2001/10)
(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: 31.08.1999 US 386253

(71) Applicant: TELEFONAKTIEBOLAGET L M ERICSSON (publ)
126 25 Stockholm (SE)

(72) Inventors:
  • MARIZ RIOS, José Luis
    E-28045 Madrid (ES)
  • RUIZ SANCHEZ, José Luis
    E-28032 Madrid (ES)

(74) Representative: Wennerholm, Kristian et al
Ericsson Radio Systems ABPatent Unit Radio Access
164 80 Stockholm
164 80 Stockholm (SE)

   


(54) GSM SECURITY FOR PACKET DATA NETWORKS