HUAWEI MU509 HSDPA LGA Module
AT Command Interface Specification
Short Message Service Commands
Issue 04 (2013-01-28)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
95
When the <stat> takes on the default value, the SET command is equivalent to the
SET command:
PDU: AT+CMGL=0
TEXT: AT+CMGL="REC UNREAD"
The TEST command returns all the supported stat values.
6.14.3
Defined Values
PDU mode:
<stat>:message type. The default value is 0:
0: Unread messages that has been received
1: Read message that has been received
2: Unsent message that has been stored
3: Sent message that has been stored
4: Any message
<index>: integer value, which indicates the position in the storage.
<reserved>: reserved.
<length>: integer value, which indicates the number of bytes of TPDU data.
<pdu>: protocol data unit. The data structure is as follows:
Table 6-13
The data structure of PDU
[<SCA>]
<sc_len>
<type_addr>
<numbers>
TPDU
Where, the <SCA>, <sc_len>, <type_addr>, and <numbers> fields are defined in the
same way as in the section “Message sending command”.
For sent message, the data structure of TPDU is the same as defined in “Message
sending command”. For the received message, the data structure of TPDU is as
follows:
Table 6-14
The data structure of TPDU
1 Oct
2 Oct~12
Oct
1 Oct
1 Oct
7 Oct
1Oct
TP-MTI
MMS 0
0
SRI UDHI RP
OA
PID
DCS
SCTS UDL
UD
Bit0 Bit1 Bit2
Bit3 Bit4
Bit5 Bit6
Bit7
<MTI>: s
ame as defined in the section “Message sending command”.