2. AT Command Summary
Organization of AT Commands on the following pages: 1st, by the initial command character (&, +, %), 2nd, alphabetized by the second command character (Except for listing of AT).
Command
AT
A
A/
Bn
Ds
DS=y
En
Fn
Hn
In
Mn
Nn
On
P
Qn
Sr=n
Sr?
T
Vn
Wn
Xn
Zn
&Cn
&Dn
&En
&Fn
&Gn
&Kn
&Ln
&Pn
&Qn
&Sn
&Tn
&V
&Wn
&Zy=x
\An
Description
Attention Code
Answer
Repeat Last Command
Communication Standard Setting
Dial
Dial Stored Telephone Number
Echo Command Mode Characters
Echo Online Data Characters
Hook Control
Information Request
Monitor Speaker Mode
Modulation Handshake
Return Online to Data Mode
Pulse Dialing
Result Codes Enable/Disable
Set Register Value
Read Register Value
Tone Dialing
Result Code Format
Result Code Options
Result Code Selection
Modem Reset
Data Carrier Detect (DCD) Control
Data Terminal Ready (DTR) Control
XON/XOFF
Load Factory Settings
V.22bis Guard Tone Control
Flow Control Selection
Leased Line Operation
Pulse Dial
Asynchronous Communications Mode
Data Set Ready (DSR) Control
Loopback Test (V.54 Test) Commands
Display Current Settings
Store Current Configuration
Store Dialing Command
Select Maximum MNP Block Size