WMO2 G900 / G1800 / G1900
WCOM/GSM/WMO2/WMO2ATDOC
Friday 21 May 1999
WAVECOM confidential ©
36
4.3.2
Operator selCOPS
To select the operator, three possibilities exist:
1- The mobile enters the
manual
mode
, and then try to find an operator
which is indicated by the application. If it finds and registers correctly, then
the mobile stays in idle mode.
2- The mobile enters the
automatic
mode
, and then try to find the home
operator. If it finds and registers correctly, then the mobile stays in idle
mode ; if not, the mobile search automatically another network.
3- The mobile enters the
manual/automatic
mode,
and the try to find an
operator which is indicated by the application (like in manual mode) . If this
attempt fails the
automatic mode is entered.
To force an attempt to select and register a network operator, the
application must send the following command:
Command syntax:
AT+COPS=<mode>, [<format> [ , <oper> ] ]
Response syntax:
OK or +CME ERROR: <err>
The parameters values are the following ones:
<mode>:
0: automatic (
default
value)
1: manual
3: set only <format>
4: manual / automatic (<oper> shall be present), if automatic selection
fails, automatic mode is entered.
<format>: format of <oper> field
0: long format alphanumeric <oper>
2: numeric <oper> (
default
value)
<oper>: operator identifier (MCC/MNC in numeric format only for operator
selection)., long alphanumeric format can be up to 16 characters
long (see appendice 16.10}} for operator names description, field is
“Name”)
Application to GSM
AT+COPS?
Ask for current plmn
GSM to application
+COPS: 0,2,20801
OK
Home PLMN is France telecom Itineris
Application to GSM
AT+COPS=?
Ask for PLMN list
GSM to application
+COPS: (2,20801), (0,20810)
OK
Home PLMN is France Telecom
SFR network has been seen
Application to GSM
AT+COPS=1,2,20810
Ask for registration on SFR network
GSM to application
+CME ERROR: 3
Failed
Application to GSM
AT+COPS=1,1,20810
Ask for registration on SFR network
GSM to application
+CME ERROR: 4
Wrong parameters
Application to GSM
AT+COPS=0,2
Ask for registration on home network
GSM to application
OK
Succeed
Application to GSM
AT+COPS=3,0
Ask for setting alphanumeric format
GSM to application
OK
Succeed
Application to GSM
AT+COPS?
Ask for current plmn
GSM to application
+COPS: 0,0,”F Itineris”
OK
Home PLMN is France telecom Itineris
Application to GSM
AT+COPS=1,0,”F SFR”
Ask for registration on SFR network
GSM to application
+CME ERROR: 3
Failed
Application to GSM
AT+COPS=4,0,”F SFR”
Ask for registration on SFR network in
manual/automatic mode
GSM to application
OK
Command succeed
Application to GSM
AT+COPS?
Ask for current plmn
GSM to application
+COPS: 0,0,”F Itineris”
OK
Home PLMN is France telecom Itineris !
So the attempt to register on SFR Network
has failed but the automatic selection on
Home PLMN has succeed.
