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Chapter 6 – Network Service Commands
Multi-Tech Systems, Inc. Wireless GSM/GPRS AT Commands (Document Number S000293I) 37
Preferred Operator List +CPOL
Description: This command edits (or updates) the SIM preferred list of networks.
This list is read in the SIM file selected by the command AT+CPLS.
Values: <index>: position of the operator record in the Sim preferred operator list. Use AT+CPOL=? to view the
maximum index of the selected EF.
<format>
0 long alphanumeric format for <oper>
1 short alphanumeric format for <oper>
2 numeric format for <oper>
<oper>: characterstring or integer (see <format>) indicating operator identifier.
<GSM_AcT>: GSM access technology
<GSMcomp_Act>: GSM compact access technology
<Utran_Act>: UTRA access technology
0 access technology not selected
1 access technology selected
Syntax: AT+CPOL= [<index>] [,<format>[,<oper>[,<GSM_AcT>,<GSMcomp_Act>,<Utran_Act>]]]
The different possibilities are:
AT+CPOL = <index> to delete an entry.
AT+CPOL = , <format> to set the format used by the read command (AT+CPOL?).
AT+CPOL = , <format>, <oper> to put <oper> in the next free location.
AT+CPOL = <index> , <format> , <oper> to write <oper> in the <format> at the <index>.
AT+CPOL = <index>,<format>,<oper>,<GSM_AcT>,<GSMcp_Act>,<Utran_Act>
To write <oper> in the <format> at the <index> precising the access technology (in the case of
EF_PLMNwact, EF_HPLMNwact or EF_OPLMNwact is present).
Note: Per default if Acces technology parameters are not given, the GSM access technology will be
chosen.
The supported format are those of the +COPS command.
The length of this list is limited to 85 entries for EF_PLMNsel, and 51 for EF_PLMNwAct,
EF_OPLMNwAct, EF_HPLMNwAct.
(See table on next page)