LE910-SKG AT commands reference guide
80437ST10619A Rev.1 – 2014-09-16
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved
page 134 of 273
+CMGS - Send Message
backspace
can be used to delete last character and
carriage returns
can be used.
- if current
<dcs>
(see +CSMP) indicates that 8-bit or UCS2 data coding scheme is
used or current
<fo>
(see +CSMP) indicates that 3GPP TS 03.40/23.040 TP-
User-Data-Header-Indication is set, the entered text should consist of two IRA
character long hexadecimal numbers which ME/TA converts into 8-bit octet (e.g.
the
‘asterisk’
will be entered as
2A
(
IRA50
and
IRA65
) and this will be
converted to an octet with integer value
0x2A
)
Note: the
DCD
signal shall be in
ON
state while text is entered.
Note: the echoing of entered characters back from the TA is controlled by echo
command
E
To send the message issue
Ctrl-Z
char (
0x1A
hex).
To exit without sending the message issue
ESC
char (
0x1B
hex).
If message is successfully sent to the network, then the result is sent in the format:
Note : Optionally (when +CSMS <service> value is 1 and network supports) <scts>
is returned:
+CMGS: <mr>[, <scts>]
where
<mr>
- message reference number.
<scts> - TP-Service Centre Time Stamp in Time String Format.
Note: if message sending fails for some reason, an error code is reported.
Note: care must be taken to ensure that during the command execution, which may
take several seconds, no other SIM interacting commands are issued.
Note: it is possible to send a concatenation of at most 10 SMs; the maximum
number of chars depends on the
<dcs>
: 1530 chars if 3GPP TS 03.38/23.038
default alphabet is used, 1340 chars if 8-bit is used, 670 chars if UCS2 is used
AT+CMGS=?
Test command resturns the
OK
result code.
Note
To avoid malfunctions is suggested to wait for the
+CMGS: <mr>
or
+CMS
ERROR: <err>
response before issuing further commands.
Example
Set PDU mode
AT+CMGF=0
AT+CMGS=18
> 088128010099010259115507811020905512F90000A704F4F29C0E
+CMGS: 124
OK
Set text mode
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