User Manual

GM862-GPS Software User Guide
1vv0300729 Rev. 5 - 05/07/07
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved page 70 of 120
3.5.3 Writing a New SMS to storage
A new SMS can be written in the selected storage <memw> (in the current SW version only "SM" is
supported) and then can be sent to the desired destination.
To write the new SMS:
• send command AT+CMGW="<da>"<cr>
where:
<da>: destination address
• wait for prompt " > "
• send SMS text (MAX 160 characters)
• end command with CTRL-Z character (0x1A hexadecimal) or abort command with ESC character
(0x1B hexadecimal)
• wait for response:
Response Reason Action
+CMGW: <index>
OK
Message has been successfully
written in position number
<index>
proceed ahead
ERROR some error occurred Enable the extended error
codes report (see par.2.5.2.1)
and retry.
+CMS ERROR: 330 SMSC address unknown Insert SMSC address (see par.
3.5.1.3)
+CMS ERROR: 322 Memory Full memory is full, hence delete
some records and retry.
NOTE: if command is aborted with ESC character, then only the OK result code is returned.