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FIBOCOM L860 AT Commands User Manual Page 155 of 254
Command Description
Note 2:
3GPP TS 24.008 [8] and 3GPP TS 24.301 [83] specify the condition when
the MS is considered as attached for emergency bearer services.
<tac> string type; two byte tracking area code in hexadecimal format (e.g. "00C3"
equals 195 in decimal)
<ci> string type; four byte E-UTRAN cell ID in hexadecimal format
<AcT> access technology of the serving cell
0 GSM (not applicable)
1 GSM Compact (not applicable)
2 UTRAN (not applicable)
3 GSM w/EGPRS (see Note 3) (not applicable)
4 UTRAN w/HSDPA (see Note 4) (not applicable)
5 UTRAN w/HSUPA (see Note 4) (not applicable)
6 UTRAN w/HSDPA and HSUPA (see Note 4) (not applicable)
7 E-UTRAN
Note 3: 3GPP TS 44.060 [71] specifies the System Information messages
which give the information about whether the serving cell supports EGPRS.
Note 4: 3GPP TS 25.331 [74] specifies the System Information blocks which
give the information about whether the serving cell supports HSDPA or
HSUPA.
<reject type> integer type; indicates the type of <reject_cause>.
0 Indicates that <reject_cause> contains an MM cause value, see 3GPP TS 24.008
[8] Annex G.
1 Indicates that <reject_cause> contains a manufacturer specific cause.
<reject cause> integer type; contains the cause of the failed registration. The value
is of type as defined by <cause_type>.
Example AT+CEREG=?
+CEREG: (0-3)
OK
AT+CEREG=2
OK
AT+CEREG?
+CEREG: 2,1,"247B","0A7D7B01",7
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