Technical data

WMO2 G900 / G1800 / G1900
WCOM/GSM/WMO2/WMO2ATDOC Friday 21 May 1999
WAVECOM confidential © 61
4.7.2 Call barring +CLCK
This commands allows control of the call barring supplementary service.
Locking, unlocking or querying the status of a call barring is possible for all
or a specific class.
Command Syntax:
AT+CLCK= <fac>, <mode> [, <password> [, <class> ] ]
Response Syntax: (for <mode>=2 and command successful)
+CLCK: <status> [, <class1>
[ <CR><LF>+CLCK: <status>, <class2>
[ … ] ]
* <fac>:
"AO", "OI", "OX" for outgoing calls barring
"AI", "IR" for incoming calls barring
"AG", "AC", "AB" for all calls barring (<mode>=0 only)
*<mode>
0 unlocks the facility
1 locks the facility
2 query status
* <class>: see description for +CLCK command (Call Barring)
The combination of different classes in not supported, it will only result in
the activation / deactivation / status request of all classes (7).
Password code must be on 4 digits maximum.
Application to GSM AT+CLCK="AO",1,1234
GSM to application OK Command valid
Application to GSM AT+CLCK="AO",0,5555
GSM to application +CME ERROR: 16 Wrong password
Application to GSM AT+CLCK="AO",0,1234
GSM to application OK Command valid
4.7.3 Modify SS password +CPWD
This command shall be used by the application to change the
supplementary service password. The command to manage this
functionality is:
Command Syntax:
AT+CPWD=<fac>,<OldPassword>, <NewPassword>
for <fac> see +CLCK command with only “P2” facility added (SIM PIN2).
Application to GSM AT+CPWD="AO",1234,5555 change Call Barring password
GSM to application OK password changed
Application to GSM AT+CPWD="AO",1234,5555 Change password
GSM to application +CME ERROR: 16 wrong password
Application to GSM AT+CPWD="AO",5555,1234 change password
GSM to application OK password changed