SimCom SIM5350 Command Set page 47

SIM5350 AT Command Set
This command is used to control the presentation of an unsolicited result code +CREG:
when <n>=1 and there is a change in the ME network registration status, or code +CREG:
<stat>[,<lac>,<ci>,<Act>] when <n>=2 and there is a change of the network cell.
Read command returns the status of result code presentation and an integer
whether the network has currently indicated the registration of the ME. Location information
elements <lac> and <ci>
SIM PIN References
NO 3GPP TS 27.007
Syntax
Test Command
AT+CREG=?
Read Command
AT+CREG?
Write Command
AT+CREG =<n>
Defined values
<n>
0 – disable network registration unsolicited result code
1 – enable network registration unsolicited result code +CREG:
2 – enable network registration and location information unsolicited result code +CREG:
<stat>[,<lac>,<ci>,<Act>]
<stat>
0 – not registered, ME is not currently searching a new operator to register to
1 – registered, home network
2 – not registered, but ME is currently searching a new operator to register to
3 – registration denied
4 – unknown
5 – registered, roaming
<lac>
Two byte location area code in hexadecimal format(e.g."00C3" equals 195 in decimal).
<ci>
SIM5350_ATC_V1.02
are returned only when <n>=2 and ME is registered in the network.
Responses
+CREG: (list of supported <n>s)
OK
Responses
+CREG: <n>,<stat>[,<lac>,<ci>,<Act>]
OK
ERROR
+CME ERROR: <err>
Responses
OK
ERROR
+CME ERROR: <err>
46
<stat>
<stat> which shows
<stat>
6/9/2014