Sony Ericsson GM47, GM48 manual Examples on How to Use the AT Commands, SMS Text Mode

1. INTRODUCTION TO AT COMMANDS

<err>	Description
317	SIM PIN2 required
318	SIM PUK2 required
320	Memory failure
321	Invalid memory index
322	Memory full
330	SMSC address unknown
331	No network service
332	Network time-out
340	No +CNMA acknowledgment expected
500	Unknown error
- 511	Other values in range 256 - 511 are reserved
512-	Manufacturer specific

1.4 Examples on How to Use the AT Commands

For many of the more complicated commands, examples are provided after the command’s description. Always refer to the detailed description of the command in question to check valid parameter values, AT command syntax and Response syntax.

1.5 SMS Text Mode

SMS text mode allows users to send SMSs without having to understand how PDUs are constructed. This section describes how to carry out basic operations in text mode and explains the steps that need to be taken.

Basic transmission of SMS

A script which sets the module up is shown below:

AT+CSDH=1	Enable the use of text mode parameters
OK
AT+CSMP=17,167	Set text mode parameter
OK
AT+CMGF=1	Switch the module to text mode
OK
AT+CMGS=“07787154042” Sending an SMS
> Test SMSÎ	The text must be ended, as in PDU mode, with
	a control-Z character

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