IBM 6345, 2194, 2193 manual AT commands

AT commands

Table 1: AT commands

Command	Function
A	Answers incoming call
A/	Repeats the last command given. Note: Do not precede by AT or follow by
	Enter
D	0-9, A-D, # and *
	L = last number redial
	P = pulse dial
	T = tone dial
	W = wait for second dial tone
	V = switch to speakerphone mode
	, = pause
	@ = wait for five seconds of silence
	! = flash
	;= return to command mode after dialing
E0	Commands echo disabled
E1	Commands echo enabled
+++	Escape characters - switch from data mode to command mode
H0	Modem on-hook (hang-up)
H1	Modem off-hook (make busy)
I0	Firmware and device ID
I1	Checksum code

B-6IBM Personal Computer User Guide