INT 66 - BitFax Scheduler - GET STATUS???                                       
	AH = 04h
Return: AX = ??? (0000h or 0001h)
	DX = BitSched version???  (for versions >= 3.00)
	    9796h (ver. 3.00)
	    97E6h (ver. 3.02)
	    92D0h (ver. 3.04.06)
	    9510h (ver. 3.06.02)
SeeAlso: AH=06h,AX=3345h,INT 2F/AX=8000h"FaxBIOS"