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GSM Module
Format AT+GSN
Example AT+GSN
N
OK
Return current IMEI
2.1.21
+ZVERS: get current software version
Description
This command is used to get the current software version.
Format AT+ZVERS
Example AT+ZVERS
+ZVERS: ***.bin
OK
get the current software version.
2.1.22
+CLCK: lock
Description
This command is used to lock the terminal or network function.
Format AT+CLCK=<fac>,<mode>[,<passwd>[,<class>]]
+CLCK:<status>
Example AT+CLCK=?
+CLCK:("PF","SC","AO","OI","OX","AI","IR","AB","AG","AC","FD","PN","PU","PP","PC")
OK
Parameters
<fac>:
"SC" SIM card; "AO" all outgoing calls barring; "OI" Outgoing international
calls barring; "OX" Outgoing international calls barring except for local; "AI" all
incoming calls barring; "IR" Incoming roaming barring; "AB" all services
barring; "AG" barring of all outgoing calls;
"AC" barring of all incoming calls; "FD" Fixed dial; "PN" Personalized network;
"PU" Personalized sub network; "PP" Personalized provider; "PC" Personalized
corporate.
<mode>
:
0 unlock
1 lock
2 check the status
<passwd>: password or operation code, character string type “***”.
<class>:
1 voice call
2 data
4 fax
7 All
<status>
:
0: Disable
1: Enable
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