AT Command Set - Olitec

0 off1 on16 data circuit sync32 data circuit async64 dedicated packet access128 dedicated PAD accessx combination of some of the above classes.For example, the default setting 7 represents the sum of theintegers 1, 2 and 4 (call barring for voice, data and fax). Thevalue 255 covers all classes. If the parameter isomitted, the default value 7 is used.See examples in 4.21.3 for correct handling of class numbers. 2 (data) comprises all those values between 16 and128, that are supported both by the network and the MS. This means,a setting made for 2 applies to all remaining data classes (ifsupported). In addition, you can assign a different setting to a specificclass. For example, you can activate call barring for all data classes,but deactivate it for a specific data class.ReferenceGSM 07.07GSM 02.04,GSM 02.88NoteThe command has been implemented with the full set of parametersaccording to GSM 07.07. For actual applicability of a specific to a specificservice or service group (a specific value) please consult table A.1 ofGSM 02.04.4.21.1 Examples: Enabling / disabling PIN 1 authenticationExample 1To lock or unlock the SIM card: The "SC" parameter enables or disables theSIM PIN authentication (PIN 1) when you power up the GSM engine:AT+CLCK="SC",1,9999OKActivates SIM card lock.As a result, SIM PIN 1 must be entered to enableME to register to the GSM network.AT+CLCK="SC",0,9999OKUnlocks SIM card.When powered up, ME registers to the GSMnetwork without requesting SIM PIN1.Note: Depending on the services offered by theprovider, this feature is not supported by allSIM card types. If so, the command returnsERROR when you attempt to unlock the card.Example 2To query the status of the SIM card lock:AT+CLCK="SC",2+clck: 14.21.2 Examples: Phone lockSIM card is locked. SIM PIN1 must be enteredto enable ME to register to the GSM network.Example 1Be sure that PIN 1 authentication is valid:AT+CPIN?+CPIN: SIM PINOKPage 88 of 207