Read Command
AT+CMGF?
Write Command
AT+CMGF[=<mode>]
Maximum Response Time
Reference
3GPP TS 27.005
Parameter
<mode>
0
1
9.3. AT+CSCA Service Center Address
The Write Command updates the SMSC address when mobile originated SMS are transmitted. In text
mode, the setting is used by Write Command. In PDU mode, setting is used by the same command, but
only when the length of the SMSC address is coded into the <pdu> parameter which equals to zero.
AT+CSCA Service Center Address
Test Command
AT+CSCA=?
Read Command
AT+CSCA?
Write Command
AT+CSCA=<sca>[,<tosca>]
Maximum Response Time
Reference
3GPP TS 27.005
EC25&EC21_AT_Commands_Manual
OK
Response
+CMGF: <mode>
OK
Response
TA sets parameter to denote which kind of I/O format of
messages is used.
OK
300ms
PDU mode
Text mode
Response
OK
Response
+CSCA: <sca>,<tosca>
OK
Response
OK
If there is any error related to ME functionality:
+CME ERROR: <err>
300ms
LTE Module Series
EC25&EC21 AT Commands Manual
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