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.
73
6.7.3
Defined Values
<length>: integer value, which indicates the number of bytes of PDU data.
<pdu>: protocol data unit. The data structure is as follows:
Table 6-2
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”.
The data structure of TPDU is as follows:
Table 6-3
The data structure of TPDU
Abbr.
Reference
P1)
R2)
TP-MTI
TP-Message-Type-Indicator
M
2b
TP-UDHI
TP-User-Data-Header-Indication O
b
TP-MMS
TP-More-Messages-to-Send
M
b
TP-SRQ
TP-Status-Report-Qualifier
M
b
TP-MR
TP-Message-Reference
M
I
TP-RA
TP-Recipient-Address
M
2
–12o
TP-SCTS
TP-Service-Centre-Time-Stamp
M
7o
TP-DT
TP-Discharge-Time
M
7o
TP-ST
TP-Status
M
o
TP-PI
TP-Parameter-Indicator
O
o
TP-PID
TP-Protocol-Identifier
O
o
TP-DCS
TP-Data-Coding-Scheme
O
o
TP-UDL
TP-User-Data-Length
O
o
TP-UD
TP-User-Data
O
1)
Mandatory (M) or Optional (O).
2)
Integer (I), bit (b), 2 bits (2b), Octet (o), 7 octets (7o), 2
–12 octets (2–12o).
<fo>:depending on the command or result code: first octet of 3GPP TS 23.040
SMS-DELIVER, SMS-SUBMIT (the default value is 17), SMS-STATUS-REPORT, or
SMS-COMMAND (the default value is 2) in integer format
<mr>: message-reference.
