User Manual

response

 send command AT+CLCK=AO,<en>,<pwd><cr>

where:

<en> is the operation selected:

0 - Call Barring Disable (Unbarring)

1 - Call Barring Enable (Barring)

<pwd> is the network password required to change facility status

 wait for response:

Response

Reason

Action

Barring is now enabled/disabled

all outgoing calls will be

barred/unbarred

ERROR

some error occurred

Enable the extended error codes

report (see par.4.4.2.1) and retry.

+CME ERROR: 4

operation not supported, the

service required is not available

Check command syntax

+CME ERROR: 30

no network service

Check for registration (see par.

4.4.3.1) and signal strength.

+CME ERROR: 16

wrong network password

check network password and retry

For example:

1- Let us assume you want to bar all the outgoing calls (originated by mobile) and the

network password of your operator is 0000:

command

AT+CLCK=AO,1,0000<cr>