(19)
(11) EP 0 891 657 A1

(12)

(43) Date of publication:
20.01.1999 Bulletin 1999/03

(21) Application number: 97906412.0

(22) Date of filing: 04.03.1997
(51) International Patent Classification (IPC): 
G06F 11/ 20( . )
H04Q 11/ 04( . )
H04B 1/ 74( . )
(86) International application number:
PCT/SE1997/000373
(87) International publication number:
WO 1997/033380 (12.09.1997 Gazette 1997/39)
(84) Designated Contracting States:
AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

(30) Priority: 04.03.1996 SE 19960000825

(71) Applicant: TELEFONAKTIEBOLAGET LM ERICSSON
126 25 Stockholm (SE)

(72) Inventor:
  • HOPFINGER, Jan
    S-124 62 Bandhagen (SE)

(74) Representative: Hammond, Andrew David, et al 
Albihns Patentbyra Göteburg AB P.O.Box 142
401 22 Göteborg
401 22 Göteborg (SE)

   


(54) SYSTEM, ARRANGEMENT AND METHOD RELATING TO PROTECTION IN A COMMUNICATIONS SYSTEM AND A TELECOMMUNICATIONS SYSTEM WITH A PROTECTION ARRANGEMENT