(19)

(11)

EP 1 131 940 A1

(12)

(43) Date of publication: 12.09.2001 Bulletin 2001/37 (21) Application number: 99957737.2 (22) Date of filing: 17.11.1999

(51) International Patent Classification (IPC)7: H04M 3/50, G06F 17/30 (86) International application number: PCT/AU9901/015 (87) International publication number: WO 0030/329 (25.05.2000 Gazette 2000/21)

(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: 17.11.1998 AU PP713598 (71) Applicant: Telstra R & D Management Pty. Ltd. Melbourne, VIC 3000 (AU)	(72) Inventor: SCOTT, Andrew, Ewart Clayton North, VIC 3168 (AU) (74) Representative: Finnie, Peter John  Gill Jennings & Every,Broadgate House,7 Eldon Street London EC2M 7LH London EC2M 7LH (GB)