ZyXEL Communications U-336R/RE Command, Function and description, Status Registers & Result Codes

Command	bit	dec	hex	Function and description	Ref.
		1	1	Reports RING twice.
		2	2	Reports RING four times.
		3	3	Reports RING six times.
	3-2	0	0	Disables DTMF tone.
		4	4	Reports RING for a DTMF
				tone.
		8	8	Reports RING ‘DTMF’ for
				a DTMF tone.
		12	0C	Reserved.
	5-4	0	0	Disables fax-CNG tone
				detection (Default).
		16	10	Reports RING for fax CNG
				tone.
		32	20	Reports RING 1 for fax
				CNG tone.
		48	30	Reports RING 2 for fax
				CNG tone.
	7-6	0	0	Disables data CNG tone
				detection.
		64	40	Reports RING for data CNG
				tone.
		128	80	Reports RING 1 for data
				CNG tone.
		192	B2	Reports RING 3 for data
				CNG tone.
S52=	bit	dec	hex	Bit-mapped register.	+000
	4-3	0-24	0-18	Receive level adjustment.
		0	0	-43 dBm (Default)
		8	8	-33 dBm
		16	10	-26 dBm
		24	18	-26 dBm
	7	0	0	Select ‘Mark’ as the first	&N12

Status Registers & Result Codes 109