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password to supply when disabling all outgoing/incoming voice/data call on GSM Module

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speedEC

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Dear All,

When I try to disable (temporarily) all outgoing/incoming voice/data calls, the GSM module requires password to act ( I also tested on Mobile phone, it also required password). I didn't set any password for any lock/unlock facility. So, I tested sending AT command using blank password, it rejects.

The AT command I used to disable calls is:
AT+CLCK = "AI",1,"",1,1

"AI" -> ALL incoming calls
"1" -> lock
"" -> blank password
1 -> class - voice call
1-> status - active

Password should be obtained from Mobile Operator?

thanks
 

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I tried using "PIN". Not succeeded. Any help?
 

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