Sms Application Scenarios; Overview - Huawei ME936 Application Manual

HUAWEI ME936 LTE M.2 Module
Application Guide

6.1 Overview

Short Message Service (SMS) is a text messaging service using a service center (SC)
to transfer short text messages between GSM MEs and Short Message Entities
SMEs). ME936 only supports protocol data unit (PDU) mode message.
(
A message must contain the following information before it is sent:
For a PDU mode message:

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Figure 6-1 shows an example of data encoded in PDU format of submitted type.
Issue 02 (2017-12-11)
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SMS Application Scenarios

Length of TPDU package
Message content: To compose or send a PDU mode message, the message
must contain all the message attributes and be encoded in PDU format. A PDU
consists of the following:
Service Center Address (SCA): composed of the address length, SCA type
−
and SCA reverse byte.
First octet: contains the message type indicator, TP-RP, TP-UDHI, TP-SRR,
−
TP-VPF, TP-RD, and TP-MTI.
Short text message statement.
−
Destination address: consisting of the destination address, address length
−
and destination address type.
− Protocol identifier.
Data encoding scheme.
−
− Validity duration.
Data length.
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User data: consisting of the user data header and the data encoded in PDU
−
format.
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SMS Application Scenarios
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