ZyXEL Communications 3356P-LAN user manual Speaker always on

Command	Options	Function & Description
	M2	Speaker always on
	M3	Speaker off during dialing and on until carrier present
Nn		Select negotiate handshake
	N0	When originating or answering, handshake only at the communication
		rate specified by S37 register and “ATBn” and no fallback
	N1 *	When originating or answering, start handshaking only at the
		communication standard specified by S37 register and “ATBn” During
		handshake, fallback to a lower speed may occur.
On		Go on-line
	O0	Return modem to a previously established state (return to data mode).
	O1	Begin an equalizer retrain sequence, then
		return to on-line state.
	O3	Force modem to a new rate defined by user
		New rates are defined in S62 register.
P		Enable pulse dialing
Qn		Result code display options
	Q0 *	Result code enabled
	Q1	Result code disabled
T		Enable tone dialing
Vn		Result code form
	V0	Display result code in numeric form (see
		also the result code options table)
	V1 *	Display result code in verbose (text) form
Wn		Select extended result code options
	W0	CONNECT result code reports DTE speed. Disable protocol result codes.
		(see also the “Result Code Options Table”)
	W1	CONNECT result code reports DTE speed. Enable protocol result codes.
	W2 *	CONNECT result code reports DCE speed. Enable protocol result codes.
Xn		Select result codes/call progress options
	X0	Display CONNECT or “1” for all speeds.
		Ignore dial tone and busy tone detection.
	X1	Display connect message and the modem’s data rate, and an indication of
		the modem’s error correction and data compression.
		Ignore dial tone and busy tone detection.
	X2	Display connect message and the modem’s data rate, and an indication of
		the modem’s error correction and data compression.
		Check dial tone before proceeding dialing,
		ignore busy tone detection.
	X3	Display connect message and the modem’s data rate, and an indication of
		the modem’s error correction and data compression.
		Ignore dial tone before proceeding dialing,
		check busy tone after making dialing.
	X4 *	Display connect message and the modem’s data rate, and an indication of
		the modem’s error correction and data compression.
		Check dial tone and busy tone.
	X5	Same as X4.
	X6	Same as X4.
	X7	Display CONNECT or “1” for all speeds.
		Check dial tone and busy tone.
Zn		Recall stored profile

22 AT Command Set Summaries