https://devzone.nordicsemi.com/f/nordic-q-a/54474/sending-sms-and-cmgs-outputHello, I&#39;ve written a shell cmd on the 9160DK to send an sms. it handles getting the data in the correct has the following format, sms &lt;len&gt; &lt;pdu data&gt; I&#39;ve used the site http://rednaxela.net/pdu.php to generate the &lt;pdu data&gt;, which with the helpen-USTelligent Community 13Tue, 19 Nov 2019 13:07:11 GMThttps://devzone.nordicsemi.com/thread/220851?ContentTypeID=1Tue, 19 Nov 2019 13:07:11 GMT137ad170-7792-4731-bb38-c0d22fbe4515:597e5e90-7544-4528-994b-d42a28780396Heidi<p>Hi!</p> <p>The message reference value as an integer between 0 and 255 and is automatically assigned. It is a reference number allocated by the modem, and the value can be used to identify the message.</p> <p>&lt;ackpdu&gt; is optional, and only appears when <span style="text-decoration:line-through;">+CSMS &lt;service&gt; value is 1 and</span>&nbsp;the network supports it. And&nbsp;only in some error scenarios where the SMS sending is unsuccessful. If the SMS sending is successful, &lt;ackpdu&gt; is not sent.</p> <p>Best regards,</p> <p>Heidi</p><div style="clear:both;"></div>