CTS operates per flow control, Requirements

		ratio
	&P2	Same as &P0 setting but at 20 pulses per
		minute
	&P3	Same as &P1 setting but at 20 pulses per
		minute
&R_	&R0	Reserved
	&R1	CTS operates per flow control
		requirements
&S_	&S0	Force DSR Signal High (ON)
	&S1	DSR off in command mode, on in on-line
		mode
&T_	&T0	Ends test in progress
	&T1	Perform Local Analog Loopback Test
	&T3	Perform Local Digital Loopback Test
	&T4	Grant Remote Digital Loopback Test
		request by remote modem
	&T5	Deny Remote Digital Loopback Test
		request
	&T6	Perform a Remote Digital Loopback Test
	&T7	Perform a Remote Digital Loopback Test
		and Self-Test
	&T8	Perform Local Analog Loopback Test and
		Self-Test
&V	&V	Displays Active and Stored Profiles
&W_	&W0	Stores the active profile as Profile 0
	&W1	Stores the active profile as Profile 1
&Y_	&Y0	Configuration Profile 0 active upon
		Power on or reset
	&Y1	Configuration Profile 1 active upon Power
		on or reset
&Zn=x	n=0-3	Store phone number x into non-volatile
		RAM
%E_	%E0	Disable auto-retrain
	%E1	Enable auto-retrain
%L		Display line signal level
%Q		Display line signal quality
+MS?		Displays the current Select Modulation
		settings
+MS=?		Displays a list of supported Select
		Modulation options
+MS=a,b,c,d		Select modulation where: a=0, 1, 2, 9, 10,
		11, 64, 69, 74; b=0-1; c=300-28800; and

CTS operates per flow control