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MC55 AT Command Set
10.3 AT+CGATT
Parameter Description
(num)
<state>
Indicates the state of GPRS attachement.
(P)
0
[1]
Notes
•
If the MT is in dedicated mode, write command returns with "+CME ERROR: operation temporary not
allowed".
•
When the module is GPRS attached and a PLMN reselection occurs to a non-GPRS capable network or to a
network where the SIM is not subscribed to for using GPRS, the resulting GMM (GPRS mobility management)
state according to GSM 24.008 is REGISTERED/NO CELL, meaning that the read command will still show
=1.
<state>
MC55_ATC_V01.05
Confidential / Released
detached
attached
Page 248 of 469
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2/10/04
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