Bitfields for communications status:
Bit(s)	Description	)
 7	originating call
 6	FAX message to be sent
 5	on line
 4	ring detected and receive enabled
 3	buffer dumped on receive
 2-0	hardware sequence state
	000 idle
	001 dial
	010 answer
	011 transmit
	100 receive
	101 pre-message
	110 post-message
	111 disconnect