Owner manual

GM862-QUAD / PY Software User Guide
1vv0300747 Rev. 3 - 10/07/07
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved page 70 of 96
network registration
+CMS ERROR: 1 Unassigned number The destination address
number does not exist. Check it
and repeat command.
+CMS ERROR: 42 network congestion Retry later
+CMS ERROR: 96 Mandatory information missing Check for destination address
in the SMS, overwrite it and
retry.
For example:
1- Let's assume you want to send a SMS that was written to the storage index position number 3. We
suppose you already have set up the device for text SMS mode as described on the previous
paragraphs:
command:
AT+CMSS=3
response:
+CMSS: 1
OK
In this case, the SMS was successfully sent to the destination and its network message reference
number is 1.
3.5.5 Sending a new SMS without storing it
A new SMS can be sent directly to the network without storing it.
• send command AT+CMGS="<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
+CMGS: <mr>
OK
Message has been successfully
sent. <mr> represents the
message reference number.
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: 41
"Temporary Failure", may be
Check for signal strength and