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Chapter 3 - AT Commands
Table 3-1. AT Commands by Function
Topic: Command: Description:
Dialing Action D Dial
A: Continuous redial
HOn-hook/off-hook
Dial Modifiers P Pulse dialing
TTone dialing
WWait for new dial tone
RReverse originate/answer mode
,Dialing pause
:Continuous redial
;Return to command mode after dialing
!Flash on-hook
@Quiet answer
$Call card tone detect
Phone Number D...N Store a phone number
Memory N Dial a stored number
N...N Number linking
LList stored telephone numbers
Configuration &W Store configuration
Storage & Recall &F Load default configuration
ZReset modem
Modem Responses E Echo command mode characters
(Result Codes) Q Result codes: enable/disable
&Q Result codes: Multi-Tech or standard
VResult codes: verbose/terse
XResult codes and call progress
&A Answerback
Online Connection #A Auto speed detection
BAnswer tone
%DC Command mode control
&CD Cleardown at disconnect
>DT DTMF detection
#F Fallback modes when online
&G Guard tones
*H Busy-Out After Disconnect
&P Pulse dial ratios
&RD Square wave ring detect
$T Calling tones
#T Trellis-coded modulation
YLong space disconnect