interToneGap
Return
The current value of the between-tone gap in ms. This value will be the value last set via the insertDtmf() method, or the default value of 50 ms if insertDtmf() was never called.
The current value of the between-tone gap in ms. This value will be the value last set via the insertDtmf() method, or the default value of 50 ms if insertDtmf() was never called.