This document is a guide to the application of SMS using GSM wireless communication modules. It covers functions such as sending, receiving, and deleting messages, and provides examples of both text mode and PDU mode. The document is detailed and suitable for users who utilize GSM modules for SMS communication.
This document serves as an application guide for the Quectel GSM module's Short Message Service (SMS). It details the usage of various AT commands required to configure and operate SMS functionality. The guide covers two primary operating modes: Text Mode, which allows users to compose messages using standard text formatting, and PDU Mode, which requires constructing specific hexadecimal Protocol Data Units.
The manual provides step-by-step procedures for sending (MO) and receiving (MT) short messages, reading message lists, deleting stored messages, and configuring status reports. It includes syntax tables for commands such as AT+CMGF, AT+CSCS, and AT+CMGS, along with practical examples for sending English and Chinese messages using different character sets like GSM and UCS2. This manual is written in Chinese.
The module supports Text Mode and PDU Mode for sending and receiving short messages.
The 'GSM' character set is recommended for English short messages.
The AT+CSCA command is used to set or query the SMSC address.