Chapter 3 - AT Commands

Table 3-1. AT Commands by Function

 

Topic:

Command:

 

Description:

Dialing Action

D

Dial

 

A:

Continuous redial

 

H

On-hook/off-hook

Dial Modifiers

P

Pulse dialing

 

T

Tone dialing

 

W

Wait for new dial tone

 

R

Reverse 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

 

L

List stored telephone numbers

Configuration

&W

Store configuration

Storage & Recall

&F

Load default configuration

 

Z

Reset modem

Modem Responses

E

Echo command mode characters

(Result Codes)

Q

Result codes: enable/disable

 

&Q

Result codes: Multi-Tech or standard

 

V

Result codes: verbose/terse

 

X

Result codes and call progress

 

&A

Answerback

Online Connection

#A

Auto speed detection

 

B

Answer 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

 

Y

Long space disconnect

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Multi-Tech Systems MT2834MR6 manual AT Commands