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<lac>: Position code information, composed of four characters and expressed in
hexadecimal. (Example: "00C3"= "195" in decimal)
<ci>: Cell information, composed of four characters and expressed in hexadecimal.
(Extended Information: according 3GPP Rel7, four characters are requested, but if
before Rel7, for example the currently network is Rel6 mostly, only the last two
characters is valid, the other characters is invalid and should be ignored. For example,
if the <CI> return 3B3DE1C, only DE1C is valid and could be used as DE1C is the last
two characters.)
12.2 Network registration +CGREG
12.2.1 Command Syntax
Command
+CGREG=[<n>]
+CGREG?
+CGREG=?
12.2.2 Interface Description
The SET command is used to control "+CGREG" to report event proactively.
When <n>=1, and the state of network registration changes, the following will be
reported: +CGREG:< stat >
When <n>=2, and the cell information changes, the following will be reported:
+CGREG: <stat>[,<lac>,<ci>]
The READ command returns the current registration state <stat>. The position
information <lac> and <ci> is reported only when <n>=2.
12.2.3 Defined Values
<n>:
0
1
Issue 18 (2009-06-22)
Local network is registered
Not registered. But the MS is searching the new operators to be registered.
Registration rejected
Unknown reasons
Roaming network is registered
Possible response(s)
<CR><LF>OK<CR><LF>
<CR><LF>+CREG:<n>,<stat>[,<lac>,<ci>]<CR><LF><CR>
<LF>OK<CR><LF>
<CR><LF>+CREG:
<n>s)<CR><LF><CR><LF>OK<CR><LF>
Disable proactive reporting of "CGREG"
Enable proactive reporting of "+CGREG
Commercial in Confidence
HUAWEI UMTS M2M Module V100R001
AT Command Interface Specification
(list
of
<stat>"
supported
Page 126 of 169
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