(19)
(11) EP 1 000 478 A1

(12)

(43) Date of publication:
17.05.2000 Bulletin 2000/20

(21) Application number: 98935210.9

(22) Date of filing: 24.07.1998
(51) International Patent Classification (IPC)7H04J 14/08
(86) International application number:
PCT/GB9802/212
(87) International publication number:
WO 9905/812 (04.02.1999 Gazette 1999/05)
(84) Designated Contracting States:
CH DE ES FR GB IT LI

(30) Priority: 28.07.1997 GB 9715936

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

(72) Inventors:
  • MOODIE, David, Graham
    IpswichSuffolk IP4 5EJ (GB)
  • GLOAG, Andrew, John
    CheltenhamGloucester GL50 2ES (GB)
  • ELLIS, Andrew, David
    IpswichSuffolk IP8 3RW (GB)

(74) Representative: Roberts, Simon Christopher et al
BT Group Legal Services,Intellectual Property Department,8th Floor, Holborn Centre120 Holborn
London, EC1N 2TE
London, EC1N 2TE (GB)

   


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