US Robotics 33600 User Manual page 42

Basic Command Set
AT Required command prefix, except with A/ and +++.
Use alone to test for OK result code.
$ Displays a basic command list; online help.
A/ Re-executes the last issued command.
Used mainly to redial.
This does not require the AT prefix or a Carriage
Return.
+++ Escapes to online-command mode.
&$ Displays a list of ampersand (&) commands.
Aborts off-hook dial/answer operation and hangs up.
Any key
A Manual Answer: goes off hook in answer mode.
Pressing any key aborts the operation.
B n U.S./ITU-T answer sequence.
B0 ITU-T answer sequence.
B1 U.S. answer tone.
D n Dials the specified phone number.
Includes any of the following.
P Pulse (rotary) dial.
T Tone dial.
, (Comma) Two-second pause; linked to S-8 register
(Semicolon) Return to Command mode after dialing.
;
" Dials the letters that follow (in an alphabetical phone
number).
/ Delays for 125 msec. before proceeding with dial
string.
W Wait for second dial tone (X3 or higher); linked to S6
register.
@ Dials, waits for quiet answer, and continues (X3 or
higher).
R Originates call using answer (reverse) frequencies.
DL Dials the last-dialed number.
DS n
Dials the phone number string stored in NVRAM at
position n (n = 03 ) .
Phone numbers are stored with the &Z n = s command.
D$ Displays a list of Dial commands.
E n Sets local echo.
38 Sportster Winmodem 33600 & x2/56K - User's manual