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  1. steve1233

    NEC Topaz lengthen DTMF tone

    I am unable to press an option when calling to automated phone system. based on research i need to lengthen my DTMF tone to more than 100ms. https://forums.whirlpool.net.au/archive/2139618 mentioned i need to change 80.02.01. The setting at default was 60ms for him and he changed it to 120ms...

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