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Sending SMS from device wired in the DB-9
connector
It allows external devices wired in the DB-9 connector (in RS-232 or
CAN-bus standard) to send SMS text messages.
The text format transmitted by the external device to the
GSM500.net/3G.next, through the DB-9 connector in RS-232 standard, is
required to be as follows:
SMSx…x:y…y<CTRL+Z>
Where:
SMS : string start
x…x : telephone number on which the SMS must be sent
y...y : message text to be sent (max. 160 characters)
<CTRL+Z> : non-editable character defining end of text.
The SMS can be sent on a GSM500.net/3G.next preset number (see
“Setting telephone number for notification service”). In this case, the text
format is required to be as follow:
SMS:y…y<CTRL+Z>
Note: to send SMS, the GSM500.net/3G.next must be
correctly registered to the GSM/UMTS network and
the SIM card must be topped up. Moreover, the
GSM500.net/3G.next must not be engaged with an
ongoing voice call by the time the message text is
received from the external device.
Note: the GSM500.net/3G.next does not send the external
device any notification of failed/successful SMS
delivery. The GSM500.net/3G.next is capable of
notifying the external device an SMS feedback
received by the remote recipient (see “Sending
received SMS text messages through DB-9
connector”).
Note: for CAN-bus communication please refer to
corresponding documentation.
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