User guide

3GPP TS 27.005 AT COMMANDS FOR SMS AND C
BS
AT Commands for EV-DO-EV3 Modems
78
Notes
 Cell Broadcast Service (CBS) is controlled by <bm>. This feature depends on carrier support. The FCC allows
carriers to send emergency alerts to users if the feature is enabled on the user’s device. CBS support is one-
way, sent from the network to the device. Devices are not able to send messages to other devices.
 Reference: 3GPP TS 27.005, 3GPP TS 23.040,and 3GPP TS 23.041.
Example
AT+CSMS=?
+CSMS: (2)
OK
AT+CSMS=2
+CSMS: 1,1,0
OK
AT+CSMS?
+CSMS: 2,1,1,0
OK
Preferred Message Storage +CPMS
Set command selects memory storages <memr> and <memw> to be used for reading, writing, sending and storing
SMS messages. The command returns memory storage in the format:
+CPMS: <usedr>,<totalr>,<usedw>,<totalw>
where:
<usedr> Number of SMS stored in <memr>
<totalr> Number of SMS that <memr> can contain.
<usedw> Number of SMS stored in <memw>
<totalw> Number of SMS that <memw> can contain.
Read command reports the message storage status in the format:
+CPMS: <memr>,<usedr>,<totalr>,<memw>,<usedw>,<totalw>
where <memr> and <memw> are the selected storage memories for reading, writing and storing respectively.
Test command reports the supported values for <memr> and <memw>.
Syntax
Command Command type
AT+CPMS=<memr>[,<memw>[,<mems>]] Set
AT+CPMS? Read
AT+CPMS=? Test