SIM5300E AT Command Manual V1.02
alphabet into two IRA character long hexadecimal number
If <dcs> indicates that 8-
bit or UCS2 data coding scheme is used: ME/TA
converts each 8-bit octet into two IRA character long hexadecimal number
<length>
Integer type value indicating in the text mode (+CMGF=1) the
length of the m
essage body <data>(or <cdata>) in characters; or in PDU
mode (+CMGF=0), the length of the actual TP data unit in octets (i.e. the RP
layer SMSC address octets are not counted in the length)
<index> Integer type; value in the range of location numbers supported by
the associated memory
<oa> GSM 03.40 TP-Originating-Address Address-
Value field in string
format; BCD numbers (or GSM default alphabet characters) are converted to
characters of the currently selected TE character set (refer Command +CSCS
in 3GPP TS 27.007); type of address given by <tooa>
<pdu> In the case of SMS: GSM 04.11 SC address followed byGSM 03.40
TPDU in hexadecimal format: ME/TA converts each octet of TP data unit into
two IRA character long hexadecimal number (e.g. octet with integer value 42
is presented to TE as two characters 2A (IRA 50 and 65)).In the case of CBS:
GSM 03.41 TPDU in hexadecimal format.
<scts> GSM 03.40 TP-Service-Center-Time-Stamp in time-
(refer <dt>)
<toda> GSM 04.11 TP-Destination-Address Type-of-Address octet in integer
format (when first character of <da> is + (IRA 43) default is 145, otherwise
default is 129)
<tooa> GSM 04.11 TP-Originating-Address Type-of-Address octet i integer
format (default refer<toda>)
Reference
3GPP TS 27.005
4.2.4 AT+CMGR Read SMS Message
AT+CMGR Read SMS Message
Test Command
AT+CMGR=?
Response
OK
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