Multi-Tech Systems CDMA Wireless Modem manual Facility Lock +CLCK, Passwd, At+Clck?, AT+CLCK=AO,2

Chapter 7 - SIM Card Operational Commands

Facility Lock +CLCK

Description: This command is used by the application to lock, unlock or interrogate an ME or network facility <fac>. The call barring facilities “A0” and “AI” require that a password value be included in the command even though passwords are not currently enforced for these facilities. The “SC” and “FD” facilities are available only in builds, which include UIM support.

This command is also used for the control of the call barring supplementary service. Functions for the barring of data and voice calls is provided as well as querying the status of call barring. Note that emergency voice calls cannot be barred.

Values: The following <fac> values are supported:

“SC”: SIM PIN enabled (<mode> = 1) / disabled (<mode> = 0)

“FD”: SIM FDN feature enabled (<mode> = 1) / disabled (<mode> = 0)

“AO”: BAOC; Barr Outgoing Calls

“AI”: BAIC; Barr Incoming Calls

<mode>

0: Unlock the facility (<passwd> required)

1: Lock the facility (<passwd> required)

2: Query status

<passwd>

Use PIN1 for the “SC” facility

Use PIN2 for the “FD” facility

Use any four digit value for the “AO” and “AI” facilities

Syntax: (for Facility Lock):

Command syntax: AT+CLCK= <fac>,<mode>[,<passwd>]

Response syntax: +CLCK: <status>

Command	Possible Responses
AT+CLCK=”SC”,1,1234	OK
Note: Enable SIM PIN	Note: SIM PIN enabled
AT+CLCK?	+CLCK:(“SC”,1),(“FD”,0),(“AO”,1),(“AI”,1)
Note: Get current facility lock status	OK
	Note: SIM PIN is enabled, SIM FDN feature is disabled,
	Outgoing call barring is enabled, Incoming call barring is
	enabled
AT+CLCK=”SC”,0,5555	+CME ERROR: 16
Note: Disable SIM PIN	Note: Incorrect password used
AT+CLCK=”AO”,1,1234	OK
Note: Bar Outgoing Calls	Note: Outgoing calls are barred
AT+CLCK=”AI”,1,1234	OK
Note: Bar Incoming Calls	Note: Incoming calls are barred
AT+CLCK=”AO”,2	+CLCK: 1
Note: Query outgoing call barring status	OK
	Note: Outgoing calls are barred

Multi-Tech Systems, Inc. CDMA Wireless AT Commands - PN S000294C 53