5 sending a new sms without storing it, At+cmgs="<da>"<cr – Rainbow Electronics GM862-QUAD-PY User Manual

Page 70

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GM862-QUAD / PY Software User Guide

1vv0300747 Rev. 3 - 10/07/07

Reproduction forbidden w ithout Telit Communications S.p.A. w ritten 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

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