Multi-Tech Systems MT5600BL, MT5600BA manual AT Commands, S-Registers, and Result Codes

		4 AT Commands, S-Registers, and Result Codes
AT Commands
Command:	AT	Attention Code
Values:		n/a
Description:		The attention code precedes all command lines except A/ and
		the escape sequence.
Command:	ENTER Key
Values:		n/a
Description:		Press the ENTER or RETURN key to execute most commands.
Command:	A	Answer
Values:		n/a
Description:		Answers an incoming call before the final ring.
Command:	A/	Repeat Last Command
Values:		n/a
Description:		Repeats the last command string. Do not precede this com-
		mand with AT. Do not press ENTER to execute.
Command:	Bn	Communication Standard Setting
Values:		n = 0 or 1
Default:		1
Description: B0		Selects ITU-T V.22 mode when the modem is at 300 or 1200
		bps.
	B1	Selects Bell 212A when the modem is at 300 or 1200 bps.
Command:	Ds	Dial
Values:		s = dial string (phone number and dial modifiers)
Default:		none
Description:		Dials telephone number s, where s may up to 40 characters
		long and include the following dial string modifiers. Spaces,
		parentheses, and hyphens are ignored.

0–9Digits 0 through 9

*The “star” digit (tone dialing only)

#The “pound” digit (tone dialing only)

A–DA, B, C, and D tone digits. Country specific; some countries may prohibit these digits.

LRedial last number. (Must be placed immediately after ATD.) P Select pulse-dialing until a T is encountered. Affects current

and subsequent dialing.

T Select tone-dialing until a P is encountered. Affects current and subsequent dialing.

W Wait for a new dial tone before continuing to dial. (X2 or X4 must be selected.)

, Pause during dialing for time set in register S8.

; Return to command mode after dialing. (Place at end of dial string.)

! Hook flash. Causes the modem to go on-hook for the time specified in S29, then off-hook again .

@ Wait for silence. Causes the modem to wait for 5 seconds of

33