Summary Of At Commands - Multitech MultiModem II BA-Series User Manual

MultiModemBA User Guide
5.2

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
DIAL
MODIFY DIALING
PROCEDURES
MEMORIZE PHONE
NUMBERS
STORE MODEM
CONFIGURATIONS
AND DEFAULTS
CONFIGURE
COMMAND
RESPONSES
CONDITION
PHONE LINE
44
COMMANDS
D Dial
A: or : Continuous Redial
$D DTR Dialing
$VD Voice/Data Dialing
N Dial a Stored Number
P/T Pulse/Tone Dialing
&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
D...N Store Phone Numbers
NN Number Linking
L List Numbers Stored in Memory
&F Load Factory Defaults
&W Store Configuration & S-Register
Parameters
Z Reset Modem
V Result Code Terse/Verbose
$SP UNIX/"Spoofing"
&M Synchronous/Asynchronous Mode Select
&X Synchronous Transmit Clock Select
Q Result Codes Enable/Disable Response
&Q Result Code Selection
E Echo Command Characters
V Result Code Terse/Verbose
X Result Code...Basic/Extended/Call Progress
&G Guard Tones
M Monitor Phone Line
&T Remote Digital Loop Signal
#T Enable/Disable Trellis Coded Modulation
B Bell/V.21 Tones
#F Fallback When On-Line
&CD Cleardown at Disconnect (2834 Series only)
#A Auto-Speed Detect