Chapter 3:  AT Commands Reference
 April 15, 2008 G24-L AT Commands Reference Manual 3-125
+CPOL, Preferred Operators
This command is used to edit the list of preferred network operators located in the SIM card.
Command 
Type
Syntax Response/Action Remarks
Set
AT+CPOL=[<index>]
[,<format>[,
<oper>]]
OK
or:
+CME ERROR: <err>
The Set command writes an entry in 
the list of preferred operators.
Note:
The G24-L may also update 
this list automatically when 
new networks are selected.
Read
AT+CPOL? +CPOL: 
<index1>,<format>,<oper1>
[<CR><LF>+CPOL: 
<index2>,<format>,<oper2>
[...]]
OK
or:
+CME ERROR: <err>
The Read command displays all the 
preferred operators that have been 
entered into the list.
Test
AT+CPOL=? +CPOL: (list of supported 
<index>s),(list of supported 
<format>s)
 OK
or:
+CME ERROR: <err>
* Index range is SIM 
dependent
The Test command displays the 
entire index range supported by the 
SIM.