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GE863-GPS Software User Guide
1vv0300724 Rev. 2 - 24/01/07
3.2.4.1 Call Barring Service status query
• send command AT+CLCK=<fac>,2<cr>
where:
<fac> is the facility to be queried:
AO - Barring All Outgoing Calls
OI - Barring Outgoing International Calls
OX- Barring Outgoing International Calls except to Home Country
AI - Barring All Incoming Calls
IR - Barring Incoming Calls when Roaming outside the home country
AB - All Barring services (applicable only for disabling command)
AG - All Outgoing barring services (applicable only for disabling command)
AC - All Incoming barring services (applicable only for disabling command)
•
wait for response:
Response Reason Action
+CLCK: 0 facility is disabled calls are allowed
+CLCK: 1 facility is enabled calls are barred
+CME ERROR: 4 operation not supported, the
service required is not available
Check command syntax and
service code
+CME ERROR: 30 no network service Check for registration (see par.
2.5.3.1) and signal strength.
NOTE: The call Barring service is handled by the network, hence all the relative commands
issue a network request and it may take several seconds to have the response from the
network.
Furthermore all the Barring service commands must be issued when the mobile is Registered
on some Network, else an error code is returned ( no network service ).
For example:
1- Let's assume you want to check whether the incoming calls when roaming outside Home Country
are barred or not:
command:
AT+CLCK=IR,2<cr>
response:
+CLCK: 0
In this case, the incoming (received) calls ARE NOT BARRED when in Roaming outside the Home
Country.
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