Extended AT\ Command Set

Command	Options	Function & Description
&W		Store active configuration into the modem’s NVRAM
&Zn=x		Store telephone number
		n=0 to 3
		x=<string> see also the dial modifier
		in ”ATDn” command
		The maximum number of digits per string is 40.

*Manufacturer default

Command	Options	Function & Description
\Jn		Constant DTE speed option
	\J0 *	DCE and DTE rates are independent
	\J1	Force the DTE interface speed to the DCE connection rate (line speed)
		after on-line
\Nn		Error control mode options
	\N0	Buffered mode, no error control (flow control is allowed).
	\N1	Direct mode, no error control (no flow control is allowed).
	\N2	MNP reliable mode. If MNP 2-4 error control establishment fails, the
		modem disconnects.
	\N3 *	V.42, MNP or buffer mode. The modem attempts to connect in V.42
		mode. If this fails, the modem attempts to connect in MNP mode. If this
		fails, the modem connects in buffer mode.
	\N4	V.42 or disconnect. The modem attempts to connect in V.42 mode. If this
		fails, the call will be disconnected.
\Qn		Local flow control options
	\Q0	Disable flow control (same as “AT&K0”)
	\Q1	XON/XOFF software flow control (same as “AT&K4”)
	\Q3 *	RTS/CTS hardware flow control (same as “AT&K3”)
\Tn		Set inactive timer (for buffer mode only)
	n=0 *	Disable inactive timer
	n=1 -	Enable inactive timer. Length in minutes
	255
\Vn		Protocol result codes
	\V0	Disable protocol result code appended to DCE speed
	\V1 *	Enable protocol result code appended to DCE speed

*Manufacturer default

Extended AT% Command Set

Command	Options	Function & Description
%B		View numbers in blacklist. If blacklisting is in effect, this command
		displays the numbers for which the last call attempted in the past two
		hours failed. The ERROR result code appears in the countries that do not
		require blacklisting.
%Cn		Data compression control
	%C0	No data compression
	%C1 *	V.42bis/MNP 5 data compression enabled.

*Manufacturer default