Technical information

Chapter 3: AT Commands Reference
August 5, 2008 AT Commands Reference Manual 3-177
+CPOL, Preferred Operators
This command is used to edit the PLMN selector lists in the SIM card or active application in the
UICC (GSM or USIM).
This command writes, reads, and deletes an entry in the SIM/USIM list of preferred PLMNs,
previously selected by the command +CPLS.
If no list has been previously selected, the EFPLMNwAcT - user controlled PLMN selector with
Access Technology list, is the one accessed by default.
The following table shows the +CPOL parameters.
Command
Type Syntax Response/Action Remarks
Set
AT+CPOL=[<index>]
[,<format>[,
<oper>]]
OK
or:
+CME ERROR: <err>
The Set command writes an entry in
a list of preferred operators,
previously selected by the command
+CPLS.
Note:
The G24 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 returns all used
entries from the SIM/USIM list of
preferred PLMNs list, previously
selected by the command +CPLS.
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.
Table 3-105: +CPOL Parameters
<Parameter> Description
<indexn> Order number of network operator in the SIM preferred operator list
<format> Defines the <oper> format:
0 Long alphanumeric format (up to 16 characters)
1 Short alphanumeric format (up to 8 characters)
2 Numeric (default)
<oper> Name of the network operator