PLAYTONE
PLAYTONE(sDTMFString As String [, nDurationMs As Integer]) As Boolean
Plays the DTMF string <sDTMFString>.
The tone duration in milliseconds is given by the optional parameter <nDurationMs> (default value 100 ms).
The optional <bAbort> parameter forces the current messages being flushed when it is TRUE. By default this parameter is FALSE.