98-08901C68-O 21
Product Features
+MMAR This command enables the accessory to change the status of an SMS message in
the g20 memory from "REC UNREAD" to "REC READ".
132
+MMGR This command enables the accessory to read SMS messages from the g20, but
does not change the read status of the messages.
132
+CMSS This command selects and sends pre-stored messages from message storage
<mem2> (selected with the +CPMS command).
133
+CMGW This command writes and saves messages in the g20 memory, <mem2> (selected
using the +CPMS command).
134
+CMGD This command enables the accessory to delete messages from the preferred g20
message storage <mem1> location <index>.
135
Network
Network Commands
+CSQ This command returns the signal strength received by the g20. 136
+CRLP These parameters are used when non-transparent data calls are originated. 137
+CREG This command enables/disables the network status registration unsolicited result
code.
139
+CGREG This command enables/disables the GPRS network status registration unsolicited
result code.
141
+COPS This command enables accessories to access the network registration information,
and the selection and registration of the GSM network operator.
143
Hardware Information
Hardware Information Commands
+CBC This command enables an accessory to query the battery charge level. 145
+CBAUD This command sets the request baud rate. 146
+CBAND This command changes the radio band. This command only returns OK and
performs no real action. It is used for backward compatibility only.
148
+GCAP This command requests the overall capabilities of the g20. 147
+MTDTR This command checks and outputs the physical current status of the DTR pin of the
RS232.
149
Table 3. AT Commands (Continued)
AT
Command
Description Page
To Next Page
Loading...
