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OnCell G2150I AT Command Set GPRS Commands
10-10
AT+CGCLASS=? +CGCLASS: (“CG”,”CC”)
OK
AT+CGCLASS? +CGCLASS: “CC”
OK
Defined values:
<class>: a string parameter that indicates the GPRS mobile class (in descending order of
functionality)
‧ A class A (highest)
‧ B class B
‧ CG class C in GPRS only mode
‧ CC class C in circuit switched only mode (lowest)
Other values are reserved and will result in an ERROR response to the set command. If the MT
is GPRS attached when the set command is issued with a <class> = CC specified, a GPRS
detach request is sent to the network. If the MT is GSM attached when the set command is
issued with a <class> = CG specified, a GSM detach request is sent to the network.
Class A is not supported by G2150I GPRS software.
Remark: During switch-On in CG class, the MS always performs an automatic GPRS attach
(the ATTACH-STATUS parameter of +WGPRS is ignored). But, if the MS is not already
GPRS attached when switching from B/CC class to CG class then no automatic GPRS attach is
performed.
Example about automatic attachment (see remark above):
AT+CGCLASS?
+CGCLASS: “B” OK
AT+CGATT?
+CGATT: 0
OK AT+CGCLASS=“CG” OK
AT+CGATT?
+CGATT: 0
OK
AT+CGATT=1
OK
AT+CPOF
OK
AT+CFUN=1
OK
AT+CGCLASS?
+CGCLASS: “CG” OK
AT+CGATT?
+CGATT: 1
OK
Select Service for MO SMS Messages: +CGSMS
Description: The set command is used to specify the service or service preference that the MT
will use to send MO SMS messages. The read command returns the currently selected service or
service preference. The test command is used for requesting information on the currently available
services and service preferences.
Command syntax: