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