Quectel EC25 Command Manual page 128

Parameter
<index> Integer type value in the range of location numbers supported by the associated
memory
<stat> In text mode
"REC UNREAD"
"REC READ"
"STO UNSENT"
"STO SENT"
"ALL"
In PDU mode
0
1
2
3
4
<alpha> String type alphanumeric representation of <da> or <oa> corresponding to the entry
found in MT phonebook. Implementation of this feature is manufacturer specified. The
used character set should be the one selected with AT+CSCS command (see definition
of this command in 3GPP TS 27.007).
<da> Destination address. 3GPP TS 23.040 TP-Destination-Address Address-Value field in
string format. BCD numbers (or GSM 7 bit default alphabet characters) are converted to
characters of the currently selected TE character set (refer to AT+CSCS command in
3GPP TS 27.007). The type of address is given by <toda>.
<oa> Originating address. 3GPP TS 23.040 TP-Originating-Address Address-Value field in
string format. BCD numbers (or GSM 7 bit default alphabet characters) are converted to
characters of the currently selected TE character set (refer to AT+CSCS command in
3GPP TS 27.007). The type of address is given by <tooa>.
<scts> Service center time stamp. 3GPP TS 23.040 TP-Service-Centre-Time-Stamp in
time-string format (refer to <dt>).
<fo> First octet. Depending on the command or result code: First octet of 3GPP TS 23.040
SMS-DELIVER,
SMS-COMMAND in integer format. If a valid value has been entered once, the
parameter can be omitted.
<pid> Protocol identifier. 3GPP TS 23.040 TP-Protocol-Identifier in integer format (default
0).
<dcs> Data coding scheme. Depending on the command or result code: 3GPP TS 23.038
SMS Data Coding Scheme (default 0), or Cell Broadcast Data Coding Scheme in
integer format.
<vp> Validity period. Depending on SMS-SUBMIT <fo> setting: 3GPP TS 23.040
TP-Validity-Period either in integer format or in time-string format (refer to <dt>).
<mn> Message number. 3GPP TS 23.040 TP-Message-Number in integer format.
<mr> Message reference. 3GPP TS 23.040 TP-Message-Reference in integer format.
<ra> Recipient address. 3GPP TS 23.040 TP-Recipient-Address Address-Value field in
EC25&EC21_AT_Commands_Manual
Received unread messages
Received read messages
Stored unsent messages
Stored sent messages
All messages
Received unread messages
Received read messages
Stored unsent messages
Stored sent messages
All messages
SMS-SUBMIT (default
LTE Module Series
EC25&EC21 AT Commands Manual
17), SMS-STATUS-REPORT, or
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