(19)
(11) EP 0 422 014 A1

(12)

(43) Date of publication:
17.04.1991 Bulletin 1991/16

(21) Application number: 89905591.0

(22) Date of filing: 16.05.1989
(51) International Patent Classification (IPC): 
H04Q 3/ 70( . )
(86) International application number:
PCT/AU1989/000213
(87) International publication number:
WO 1989/011768 (30.11.1989 Gazette 1989/28)
(84) Designated Contracting States:
AT BE CH DE FR GB IT LI LU NL SE

(30) Priority: 16.05.1988 AU 19880008250
20.05.1988 AU 19880008363

(71) Applicant: AUSTRALIAN TELECOMMUNICATIONS CORPORATION
Melbourne, VIC 3000 (AU)

(72) Inventor:
  • MANSON, Anthony, Warren
    Indooroopilly, QLD 4068 (AU)

(74) Representative: Hale, Peter, et al 
Kilburn & Strode 30 John Street
London WC1N 2DD
London WC1N 2DD (GB)

   


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