Siemens MC35 User Manual download pdf (Page 81)

AT Command Set

MC35_ATC_01_V04.00 Page 81 of 238 02.04.2002

32 data circuit async

64 dedicated packet access

128 dedicated PAD access

x combination of some of the above classes.

For example, the default setting 7 represents the sum of the

integers 1, 2 and 4 (call barring for voice, data and fax). The

value 255 covers all classes. If the <class> parameter is

omitted, the default value 7 is used.

See examples in 4.21.3 for correct handling of class numbers.

<status> 0off

1on

Reference

GSM 07.07

Note

*# codes sent with ATD cannot be used to enter the Master Phone Code.

4.21.1 Examples: Enabling / disabling PIN 1 authentication

Example 1

To lock or unlock the SIM card: The "SC" parameter enables or disables the

SIM PIN authentication (PIN 1) when you power up the GSM engine:

AT+CLCK="SC",1,9999 Activates SIM card lock.

OK As a result, SIM PIN 1 must be entered to en-

able ME to register to the GSM network.

AT+CLCK="SC",0,9999 Unlocks SIM card.

OK When powered up, ME registers to the GSM

network without requesting SIM PIN1.

Note: Depending on the services offered by the

provider, this feature is not supported by all

SIM card types. If so, the command returns

ERROR when you attempt to unlock the card.

Example 2

To query the status of the SIM card lock:

AT+CLCK="SC",2

+clck: 1 SIM card is locked. SIM PIN1 must be entered

to enable ME to register to the GSM network.

4.21.2 Examples: Phone lock

Example 1

Be sure that PIN 1 authentication is valid:

AT+CPIN?

+CPIN: SIM PIN

AT+CPIN=9999

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Siemens MC35 User Manual Page 81