NETGEAR XM128 ISDN manual DCA function is enabled

Reference Guide for the Model XM128 ISDN Digital Modem

Table D-4.	Extended S-registers ATSn=x (continued)
Command	Bit	Decimal	Hexadecimal	Function and	Default or
				description	reference
S84=	3	8	8	Displays S-register value in hex
				format.
	4	0 *	0	Indicates Caller ID after the 1st
				RING message.
		16	10	Disables Caller ID indication.
	5	0	0	PHONE 1 (Model XM128 modem)	&L0
				or analog port (2864I) has higher
				priority for answering an analog
				call.
		32	20	PHONE 2 (Model XM128 modem)	&L1
				or internal device (2864I) has
				higher priority for answering an
				analog call.
S85=				DCA function
	0	0	*0	DCA function is disabled.	CE0
		1	*1	DCA function is enabled.	CE1
	1-6		*0	Add-persist time interval.	KAxn
	7	0	0	S85b1-6 is in Second unit.	KASn
		128	80	S85b1-6 is in Minute unit.	KAMn
S86=				D channel protocol selection	Pn
				(USA); this register is valid only for
				American version.
		0	0	Northern Telecom proprietary
				ISDN.
		1	1	National ISDN 1 (1 SPID mode).
		2	2	National ISDN 1 (2 SPID mode).
		3	3	Reserved.
		4	4	AT&T proprietary point-to-point.
		5	5	AT&T proprietary
				point-to-multipoint (1 SPID mode).
		6	6	AT&T custom point-to-multipoint
				(2 SPID mode).

D-12 Status Registers and Result Codes