Motorola g20 Developer's Manual page 320

Reference Tables
AT
Command
&P This command selects pulse dialing. This command is used for backward
compatibility only.
&R This command selects the CTC controls.This command is used for backward
compatibility only.
&S This command defines the DSR behavior. This command is used for backward
compatibility only.
&T This command selects tone dialing. This command is used for backward
compatibility only.
? This command displays the most recently updated value stored in the S-register.
\A This command sets the maximum MNP block size. This command is used for
backward compatibility only.
\B This command transmits a break to the remote. This command is used for backward
compatibility only.
\S This command displays the status of all commands and S-registers.
+CAOC This command enables the subscriber to get information about the cost of calls.
+CBAND This command changes the radio band. This command only returns OK and
performs no real action. It is used for backward compatibility only.
+CBAUD This command sets the request baud rate.
+CBC This command enables an accessory to query the battery charge level.
+CBST This command selects the bearer service and the connection element to be used
when data calls are originated.
+CCFC This command enables control of the call-forwarding supplementary service.
+CCLK This command reads/sets the g20's current date and time settings.
+CCWA This command controls the Call Waiting supplementary service, including settings
and querying of the network by the g20.
+CEER This command returns an extended error report containing one or more lines of
information text <report>, determined by the ME manufacturer, providing reasons for
errors.
+CGACT This command activates/deactivates the PDP Context.
+CGATT This command attaches the g20 to the GPRS network.
306
Table 137. AT Commands (Alphabetical) (Continued)
Description Page
226
226
226
226
188
226
226
188
89
148
146
145
77
72
115
64
200
219
221
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