User guide

Developers guidelines | AT commands
27 June 2010
AT commands
Ensemble C2: Control and identification
Commands
AT Attention command
AT* List all supported AT commands
ATZ Restore to user profile (ver. 2)
Description: Checks the communication between the phone and any accessory.
Determines the presence of a phone.
Execution
command: AT
Description: Execution command causes the ME to return one or more lines of AT com-
mands. The command is identical to AT+CLAC
Execution
command: AT*
Response: <AT Command1> [<CR> <LF> <AT Command2>[…]]
Test command: AT*=? Test if command is supported
Parameter:
<AT Command>:
<AT Commandn> Description
AT ... AT command
Description: Instructs the DCE to set all parameters to their default values as specified
by the user. It uploads a set of parameters set by AT&W. This may include
taking into consideration the settings of hardware configuration switches
or non-volatile parameter storage (if implemented). If AT&W is not used,
ATZ gives the same effect as AT&F and ATZ can be interpreted as ATH&F.
Execution
command: ATZ
Extended format
command: ATZ=<profile>
Test command: ATZ=? Shows if the command is supported.