2 summary of at commands, Summary of at commands – Multi-Tech Systems BA-Series User Manual
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Chapter 4 - Command Mode
Dial (D or A) command,
or incoming phone call
Carrier detected
HANG
UP
ON-LINE
MODE
WAIT FOR
CARRIER
COMMAND
MODE
AT0 Command
+++AT
No carrier
detected
Carrier lost
Figure 41. Functional Modes
4.2
Summary of AT Commands
A wide variety of autodial operations and modem options can be controlled when the modem is in
Command Mode. Remember, nearly all commands begin with
AT.
These commands are organized into several functional groups. An alphabetical summary of
commands is provided in Appendix D.
HOW TO
COMMANDS
DIAL
D
Dial
A: or : Continuous Redial
$D
DTR Dialing
$VD
Voice/Data Dialing
N
Dial a Stored Number
MODIFY DIALING
P/T
Pulse/Tone Dialing
PROCEDURES
&P
Set Pulse Dial Ratios
,
Automatic Pauses in dialing
Y
Long Space Disconnect
W
Wait for New Dial Tone
;
Return to Command Mode After Dial
Command
R
Reverse Mode of Operation
!
Flash On Hook
$
AT&T
"Calling Card" Tones
@
Quiet Answer
MEMORIZE PHONE
NUMBERS
D...N
Store Phone Numbers
NN
Number Linking
L
List Numbers Stored in Memory