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New Reduced price! ![AS 4263(INT)-1994 [ Superseded ]](https://www.docuarea.org/4515-large_default/as-4263int-1994-superseded-3.jpg "AS 4263(INT)-1994 [ Superseded ]")
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AS 4263(INT)-1994 [ Superseded ]
M00004509
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AS 4263(INT)-1994 Interactive voice response systems - User interface - Dual tone multi frequency (DTMF) signalling
standard by Standards Australia, 01/01/1994
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