Multi-Tech Systems MT5634MSV manual AT Command Summary

		4 AT Commands, S-Registers, and Result Codes
AT Command Summary
Command:	AT	Attention Code
Values:		n/a
Description:		The attention code precedes all command lines except A/, 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:		Answer an incoming call before the final ring.
Command:	A/	Repeat Last Command
Values:		n/a
Description:		Repeat the last command string. Do not precede this command
		with AT. Do not press ENTER to execute.
Command:	Bn	Communication Standard Setting
Values:		n = 0–3, 15, 16
Default:		1 and 16
Description: B0 Select ITU-T V.22 mode when modem is at 1200 bps.
	B1	Select Bell 212A when modem is at 1200 bps.
	B2	Deselect V.23 reverse channel (same as B3).
	B3	Deselect V.23 reverse channel (same as B2).
	B15	Select V.21 when the modem is at 300 bps.
	B16	Select Bell 103J when the modem is at 300 bps.
Command:	Cn	Carrier Control
Values:		n = 1
Default:		1
Description: C0 Transmit carrier always off. (Not supported.)
	C1	Normal transmit carrier switching (included for backward
		compatibility with some software).
Command:	Ds	Dial
Values:		s = dial string (phone number and dial modifiers)
Default:		none
Description:		Dial telephone number s, where s may up to 40 characters long
		and include the 0–9, *, #, A, B, C, and D characters, and the L,
		P, T, V, W, S, comma (,), semicolon (;), !, @, ^ and $ dial string
		modifiers.

Dial string modifiers:

LRedial last number. (Must be placed immediately after

ATD.)

PPulse-dial following numbers in command.

TTone-dial following numbers in command (default).

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