Network Service Commands (Gsm 07.07); Creg Network Registration; Cops Operator Selection - Nokia D211 Developer's Manual

9.

NETWORK SERVICE COMMANDS (GSM 07.07)

9.1.1 +CREG Network registration

Command
set
+CREG=<n>
read
+CREG?
test
+CREG=?
Optional. 07.07 section 7.2. Controls presentation of +CREG unsolicited result code or returns
current registration status.
Parameters:
<n>:
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, ME is not currently searching a new operator to register to
1 registered, home network
2 not registered, but ME is currently searching a new operator to register to
3 registration denied
4 unknown
5 registered, roaming
<lac> string type; two byte location area code in hexadecimal format (e.g. "00C3"
equals 193 in decimal)
<ci>: string type; two byte cell ID in hexadecimal format

9.1.2 +COPS Operator selection

Command
set
+COPS=<mode>,
<format>,<oper>
read
+COPS?
test
+COPS=?
Optional. 07.07 section 7.3. 'Set' command selects a network or sets automatic network
selection. 'Read' command returns the current network. 'Test' command returns available
networks. Short alphanumeric operator name format (<format>=1) and selection <mode>=2
and =4 are not supported by the Nokia D211.
Parameters:
<mode>:
0 automatic (<oper> field is ignored)
1 manual (<oper> field shall be present)
Response
+CREG: <n>,<stat>[,<lac>,<ci>]
+CREG: (0-2)
Response
+COPS: <mode>[,<format>,<oper>]
+COPS: [(<stat>,<long>,,<numeric>)
[,...]],,(0,1),(2)
Default +cme error
0
x
Default
[0],0
63/113
+cme error
x
x
x