(19)
(11) EP 1 159 808 A1

(12)

(43) Date of publication:
05.12.2001 Bulletin 2001/49

(21) Application number: 00907847.8

(22) Date of filing: 08.03.2000
(51) International Patent Classification (IPC)7H04L 29/06, H04Q 11/04, H04L 12/46
(86) International application number:
PCT/GB0000/846
(87) International publication number:
WO 0056/031 (21.09.2000 Gazette 2000/38)
(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: 16.03.1999 GB 9906045
02.07.1999 EP 99305277

(71) Applicant: BRITISH TELECOMMUNICATIONS public limited company
London EC1A 7AJ (GB)

(72) Inventor:
  • REECE, Paul, Wyndham
    Woodbridge,Suffolk IP12 4QR (GB)

(74) Representative: Robinson, Simon Benjamin et al
BT Group Legal ServicesIntellectual Property Department8th Floor,Holborn Centre120 Holborn
London EC1N 2TE
London EC1N 2TE (GB)

   


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