BGS2T AT Command Set
5.4 AT+CLCK
BGS2T_ATC_V01.301 Page 121 of 554 1/31/12
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<password>: User defined password. It is needed before the first use of
<facility> "PS" and, therefore, must first be specified with AT+CPWD or
AT^SPWD, if it has not been predefined by factory settings. If set by factory (e.g.
for a prepaid mobile), the password is supplied by the provider or operator.
“FD“ SIM Fixed Dialing lock
If "FD" lock is enabled numbers MMI *# codes can be used only if they start
with matching numbers or characters stored in the "FD" phonebook. The
capacity of the "FD" phonebook is depending on the SIM card.
Numbers stored to the "FD" phonebook must not contain the call modifiers
"I","i","*31#", "#31#".
<password>: SIM PIN 2.
Any attempt to dial a string not specified in the "FD" phonebook will be denied,
causing an error result code. The type of result code varies depending on the
type of service:
"+CME ERROR: call barred" for voice calls, GPRS connections and *# codes
for Supplementary Services.
"NO CARRIER" for fax calls and circuit switched data calls.
"+CMS ERROR: operation not allowed" for SMS.
If "FD" lock is enabled the following applies:
• Handling of Supplementary Services:
The "FD" lock is effective only for AT+CCFC <mode> 3 (registering the CF
destination number). All other Supplementary Services and functions pro-
vided by AT+CCFC are not restricted by the "FD" lock.
• GPRS commands can be used only if the "FD" phonebook contains an
entry with phone number ''*99#''. This single entry enables all GPRS com-
mands, including AT commands and modem compatibility commands like
''ATD*99***1#'' or ''ATD*98***1#''.
Indication is "+CME ERROR: call barred".
Factory defined SIM locks:
Typical examples of factory set SIM locks are prepaid phones or network locks, used to restrict the operation of
a mobile to a specific provider or operator. The client should be aware that each of these lock types can only be
unlocked if the associated password is available. For example, a mobile can be locked to accept only SIM cards
from the respective provider, or even one single SIM card. Once a different SIM card is inserted the ME will
prompt the client to enter a specific code. This is not the PUK of the SIM card, but usually an 8-digit code which
needs to be requested from the provider.
The locks can only be set by the manufacturer and need to be agreed upon between the parties concerned, e.g.
provider, operator, distributor etc. on the one side and the manufacturer on the other side. For details contact
your local dealer or Cinterion Wireless Modules GmbH.
Parameter <class> is not applicable to SIM locks.
<password> and instructions for unlocking must be obtained from the network provider.
“PF“ Lock Phone to the very First SIM card
“PN“ Network Personalisation
“PU“ Network subset Personalisation
“PP“ Service Provider Personalisation
“PC“ Corporate Personalisation
Supplementary Service Call Barring:
Supplementary Service "Call Barring" allows to specify conditions under which calls will be disallowed by the
network.
The availability of the Supplementary Services varies with the network. To benefit from call barring the client will
need to subscribe them, though a limited number of call barring types may be included in the basic tariff pack-
age.
When you attempt to set a <facility> or <class> which is not provisioned, not yet subscribed to, or not sup-
ported by the module, the setting will not take effect regardless of the response returned. The responses in these
cases vary with the network (for example "OK", "+CME ERROR: operation not allowed", "+CME ERROR: oper-
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