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List of AT Commands for Nokia 22
Copyright © Nokia Mobile Phones 2001. All rights reserved.
0 disable network registration unsolicited result code
1 enable network registration unsolicited result code +CREG: <stat>
2 enable network registration and location information unsolicited result code
+CREG: <stat>[,<lac>,<ci>]
<stat>:
0 not registered, the ME is not currently searching for a new operator to register to
1 registered, home network
2 not registered, but ME is currently searching for a new operator to register to
3 registration denied
4 unknown
5 registered, roaming
<lac> string type; a two byte location area code in hexadecimal format (e.g. "00C3" equals
193 in decimal)
<ci>: string type; a two byte cell ID in hexadecimal format
7.3 +COPS Operator selection
Command Response Default +cme error
Set
+COPS=<mode>,
<format>,<oper>
[0,2] x
Read
+COPS? +COPS: <mode>[,<format>,<oper>] x
Test
+COPS=? +COPS: [(<stat>,,,<oper>)
[,...]],,(0,1),(2)
x
The +COPS command forces an attempt to select and register the GSM network operator.
<mode> is used to select whether the selection is automatically carried out by the Nokia 22 or
whether it is forced by this command to the operator <oper>, given in numeric 2 <format>. The
selected operator name format shall also apply to the further read commands (+COPS?).
The read command returns the current mode and the currently selected operator. If no operator is
selected, <format> and <oper> are omitted.
The test command returns a list of quadruplets, each representing an operator that is present in
the network. A quadruplet consists of an integer indicating the availability of the operator <stat>
and a numeric representation of the operator. The list of operators shall be in the following order:
home network, networks referenced in SIM and other networks.
After the operator list is returned, the Nokia 22 returns lists of the supported <mode>s and
<format>. These lists shall be delimited from the operator list with two commas.
Defined values
<mode>:
0 automatic (<oper> field is ignored)
1 manual (<oper> field shall be present)