22
command line, from left to right.
In the following command string example, your modem goes off-hook, waits for a dial tone, and
then touch tone dials the number 1-405-555-9624.
AT DT 1 (405) 555-9624 [CR]
Command
Modifier
Command Definition
-
( )
To aid readability, spaces, hyphens and parentheses can be used in the
command line without affecting its function
.
0-9
(any numeric digit) Causes the indicated digit to be dialed.
A-D
(tone dial only) Causes the indicated symbol to be dialed.
J
Perform MNP10 link negotiation at 1200 bps (for current call only).
L
Dial last string dialed.
P
Pulse dial the following digits. (Some country codes may not allow this
command after the first digit.)
Sn
Use dialing string stored in register
n
(Ø to 3).
T
Tone dial the following digits. (Some country codes may not allow this
command after the first digit.)
W
Wait for dial tone before processing the next character in the dial string
(useful for PBX phone systems), within the time set in S6 and/or S7.
*
Use the DTMF code for “star”.
#
Use the DTMF code for “gate”.
&
Wait for “bong” Credit Card billing tone (same as $).
$
Wait for “bong” Credit Card billing tone (same as &).
@
Wait for five seconds of silence before continuing.
,
Pause for time specified in S Register 8 before processing the next character
in dial string.
!
Hook flash (time specified by S29).
^
(Indicates a data connection.) Call originating pulse toggle. If it is normally
on in your country setting, it toggles OFF; if it is normally off, then the tone is
toggled ON (as in the case of the US country setting).
;
Return to command state after dialing without going “on-hook” (must be
last character in the command line).
