HUAWEI UMTS M2M Module V100R001
AT Command Interface Specification
Issue 18 (2009-06-22)
Commercial in Confidence
Page 125 of 169
12
Data Service Interface Description
12.1 Network registCREG
12.1.1 Command Syntax
Command
Possible response(s)
+CREG=[<n>] <CR><LF>OK<CR><LF>
+CREG?
<CR><LF>+CREG:<n>,<stat>[,<lac>,<ci>]<CR><LF><CR>
<LF>OK<CR><LF>
+CREG=?
<CR><LF>+CREG: (list of supported
<n>s)<CR><LF><CR><LF>OK<CR><LF>
12.1.2 Interface Description
The SET command is used to control “+CREG” to report event proactively.
When <n>=1, and the state of network registration changes, the following will be
reported: +CREG:< stat >
When <n>=2, and the cell information changes, the following will be reported: +CREG:
<stat>[,<lac>,<ci>]
The READ command returns the current registration state <stat>. The position
information <lac> and <ci> is reported only when <n>=2.
12.1.3 Defined Values
<n>:
0 Disable proactive reporting of “CREG”
1 Enable proactive reporting of “+CREG <stat>”
2 Enable proactive reporting of “+CREG: <stat>[,<lac>,<ci>]”..
<stat>:
0 Not registered. The MS is not searching the new operators to be registered.
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