LTE Module Series
EC25&EC21 AT Commands Manual
EC25&EC21_AT_Commands_Manual 140 / 231
9.15. AT+CSDH Show SMS Text Mode Parameters
The Write Command controls whether detailed header information is shown in text mode result codes.
Parameter
<show>
0
Do not show header values defined in commands
+CSCA
,
+CSMP
(
<sca>
,
<tosca>
,
<fo>
,
<vp>
,
<pid>
,
<dcs>
) and
<length>
,
<toda>
or
<tooa>
in
+CMT
,
+CMGL
,
+CMGR
result codes for SMS-DELIVERs and SMS-SUBMITs in text
mode
1
Show the values in result codes
Example
AT+CSDH=0
OK
AT+CMGR=2
+CMGR: “STO UNSENT”
,
“”,
<This is a test from Quectel>
<mids>
String type. All different possible combinations of CBM message identifiers (refer to
<mid>
)
(default is empty string),
e.g. “0,1,5,320-478,922”
<dcss>
String type. All different possible combinations of CBM data coding schemes (refer to
<dcs>
) (default is empty string), e.
g. “0-3,5”
AT+CSDH Show SMS Text Mode Parameters
Test Command
AT+CSDH=?
Response
+CSDH:
(list of supported
<show>
s)
OK
Read Command
AT+CSDH?
Response
+CSDH: <show>
OK
Write Command
AT+CSDH[=<show>]
Response
OK
ERROR
Maximum Response Time
300ms
Reference
3GPP TS 27.005