Sony Ericsson GM48 Cell Phone User Manual


 
1. INTRODUCTION TO AT COMMANDS
87
LZT 123 7263 R1C
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
h a control-Z character
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
<err> Description