Siemens TC35T GSM Digital Transceiver
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
If error is related to ME functionality:
+CME ERROR: <err>
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
If error is related to ME functionality:
+CME ERROR: <err>
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.
Note:
It should be possible to abort this command when a
registration/deregistration attempt is made.
OK
If error is related to ME functionality:
+CME ERROR: <err>
Parameter
<stat>
0 unknown
1 operator available
2
operator current
3
operator forbidden
<oper>
operator in format as per
<mode>
<mode>
0 automatic mode;
<oper>
field is ignored
1 manual
operator
selection;
<oper>
field will
be present (
<format>
can only be = 2)
2
manual deregister from network
3 set
only
<format>
(for read command
+COPS?
)
4
automatic, manual selected; if manual
selection fails, automatic mode(
<mode>=0
) is
entered
<format>
0 long format alphanumeric
<oper>
; can be up
to 16 characters long
2 numeric
<oper>
; GSM Location Area
Identification number
Reference
GSM 07.07
Note