Specifications

AT Command Set Reference
Ver. 1.00
GSM1308AT001 Page 38 Ver. 1.00 – 10/29/2008
2.1.3.4. AT+CLCK Facility Lock
Command Function This command is used to lock, unlock or
interrogate a ME or a network facility <fac>.
When querying the status of a network
service (<mode>=2) the response line for a
“not active” case (<status=0>) should be
returned only if service is not active for any
<class>. Is should be possible to abort the
command when network facilities are set or
interrogated.
Command Functional Supplemental Services
Group
Command Format Query AT+CLCK=?
Response +CLCK: (“SC”, “AO”, “OI”, “OX”, “AI”, “IR”,
“AB”, “AG”, “AC”, “FD”, "PC","PP", “PS”,
“PN”, “PU”, “PF”,”AL”)
OK
Write Format AT+CLCK=<fac>, <mode> [,<passwd>
[, <class>]]
Response If <mode><> 2 and command is successful
then OK
If <mode>=2 and command is successful
then
+CLCK:<status>,[,<class1>[<CR><LF>
+CLCK: <status>, class2…]]
OK
Read Format N/A
Response N/A
Execution Format N/A
Response N/A