Multi-Tech Systems BL-Series manual Summary of AT Commands

MultiModemBL User Guide

5.2Summary of AT Commands

A wide variety of autodial operations and modem options can be controlled when the modem is in Command Mode. Remember, nearly all commands begin with AT.

These commands are organized into several functional groups. An alphabetical summary of commands is provided in Appendix D.

HOW TO	COMMANDS
DIAL	D	Dial
	A: or : Continuous Redial (Not Active in BLK models)
	$D	DTR Dialing
	$VD	Voice/Data Dialing
	N	Dial a Stored Number
MODIFY DIALING	P/T	Pulse/Tone Dialing
PROCEDURES	&P	Set Pulse Dial Ratios (Not Active in BLK models)
	,	Automatic Pauses in dialing
	Y	Long Space Disconnect
	W	Wait for New Dial Tone
	;	Return to Command Mode After Dial
		Command
	R	Reverse Mode of Operation
	!	Flash On Hook
	$	AT&T "Calling Card" Tones
	@	Quiet Answer
MEMORIZE PHONE
NUMBERS	D...N	Store Phone Numbers
	NN	Number Linking
	L	List Numbers Stored in Memory
STORE MODEM	&F	Load Factory Defaults
CONFIGURATIONS	&W	Store Configuration & S-Register
AND DEFAULTS		Parameters
	Z	Reset Modem
	V	Result Code Terse/Verbose
	$SP	UNIX/"Spoofing”
	&M	Synchronous/Asynchronous Mode Select
	&X	Synchronous Transmit Clock Select
CONFIGURE	Q	Result Codes Enable/Disable Response
COMMAND	&Q	Result Code Selection
RESPONSES	E	Echo Command Characters
	V	Result Code Terse/Verbose
	X	Result Code...Basic/Extended/Call Progress
CONDITION	&G	Guard Tones (Not Active in BLK models)
PHONE LINE	M	Monitor Phone Line
	&T	Remote Digital Loop Signal
	#T	Enable/Disable Trellis Coded Modulation
	B	Bell/V.21 Tones (Not Active in BLK models)
	#F	Fallback When On-Line
	&CD	Cleardown at Disconnect (2834 Series only)
	#A	Auto-Speed Detect

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