Specifications

SIM900 AT Commands Set
SIM900_ATC_V1.01 117 23.06.2010
4.2.14 AT+CSDH Show SMS Text Mode Parameters
AT+CSDH Show SMS Text Mode Parameters
Response
+CSDH: <show>
OK
Read Command
AT+CSDH?
Parameter
see Write Command
Response
+CSDH: (list of supported <show>s)
OK
Test Command
AT+CSDH=?
Parameter
see Write Command
Response
TA determines whether detailed header information is shown in text mode
result codes.
OK
Write Command
AT+CSDH=<sho
w>
Parameter
<show> 0 do not show header values defined in commands
+CSCA and +CSMP (<sca>, <tosca>, <fo>, <vp>,
<pid> and <dcs>) nor <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
Reference
GSM 07.05
Note
4.2.15 AT+CSMP Set SMS Text Mode Parameters
AT+CSMP Set SMS Text Mode Parameters
Response
+CSMP: (list of supported <fo>s),(list of supported <vp>s), (list of
supported <pid>s), (list of supported <dcs>s)
OK
Test Command
AT+CSMP=?
Parameters
see Write Command
Read Command
AT+CSMP?
Response
+CSMP: <fo>,<vp>,<pid>,<dcs>
OK