
AT Commands
Note: Not all of the commands and registers are accessible to the user. The following are listed for quick reference only. A full copy of the AT command set can be found in Adobe Acrobat format at “D:\Manuals\ where D:\ is the letter of your 
Where the following table shows an n, the n represents a numerical value. For example Mn can represent M1, M2 or M3, etc.
Command Description
TDial using Tone (DTMF) method.
,  | (comma) Pauses before continuing the dial string.  | 
AEnter answer mode, go off hook and attempt to answer call.
DEnter originate mode, go off hook, and attempt to dial.
En  | Character Echo: 0 = Do not echo, 1 = echo characters.  | 
Hn  | |
Ln  | Set speaker volume: where n is 0 or 1=low, 2=medium, 3=high  | 
On  | Go to   | 
Vn  | Display result codes: 0 = as numbers, 1 = as words  | 
Wn  | Negotiation progress messages: 0= None, 1 = Return (display)  | 
X3  | Provide basic codes, connection speed and BUSY detection.  | 
X4  | Provides basic codes, connection speeds, DIALTONE, and BUSY.  | 
ZReset.
&F  | Recall factory configuration.  | 
&Kn  | Flow control: 3= RTS/CTS, 4=XON/XOFF  | 
\Nn  | Error correction mode: 0 = normal (off) speed buffered mode.  | 
%Cn  | Data compression: 0 = Disabled.  | 
S0=n  | Set auto answer. Range n =   | 
Rev.1 - YML658 | www.netcomm.com.au  | 
AM5698 Roadster V.92 User Guide  | Page 25  |