User manual

CS-GSM/GPRS Digital Transceiver Kits (including the COM110A modem)
C-2
C.2 Network Registration Checks
AT+COPS
Operator selection
Test command
AT+COPS=?
Response
TA returns a list of quadruplets, each representing an operator present in
the network. Any of the formats may be unavailable and should then be
an empty field. The list of operators will be in the following order: home
network, networks referenced in SIM, and other networks.
+COPS: [list of supported (<stat>), long alphanumeric <oper>,, numeric
<oper>)s][,,(list of supported <mode>s), (list of supported <format>s)]
OK
Parameter
See set command
Read command
AT+COPS?
Response
TA returns the current mode and the currently selected operator. If no
operator is selected,<format> and <oper> are omitted.
+COPS : <mode>[, <format>[, <oper>]]
OK
Parameter
See set command
Set command
AT+COPS=
<mode>
[, <format>[, <oper>]]
Response
TA forces an attempt to select and register the GSM network operator. If
the selected operator is not available, no other operator will be selected
(except <mode>=4). The selected operator name format will apply to
further read command (+COPS?) also.
OK
Parameter
<stat> 0 unknown
1 operator available
0 operator current
1 operator forbidden
<mode>
0: automatic (default value)
1: manual
2: deregistration ; ME will be unregistered until <mode>=0 or 1 is
selected.
3: set only <format> (for read command AT+COPS?)
4: manual / automatic (<oper> shall be present), if manual selection
fails, automatic mode is entered.
<format>: format of <oper> field
<format>
0: long alphanumeric format <oper>
1: short alphanumeric format <oper>
2: numeric <oper> (default value) <stat>: status of <oper>
<stat>
0: unknown
1: available
2: current
3: forbidden
<oper>: operator identifier (MCC/MNC in numeric format only for
operator selection)