Bitfields for FaxBIOS capabilities:
Bit(s)	Description	)
 0	transmit supported
 1	receive supported
 2	IOCTL supported
 3	IOCTL_DIAL supported
 4	IOCTL_ANSWER_FAX supported
 5	manual transmit supported
 6	optional phone services supported
 7	canonical phone objects
 8	seam with next supported