Quectel EC25

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