https://devzone.nordicsemi.com/f/nordic-q-a/116641/why-doesn-t-the-psm-mode-take-effect-after-configurationHello, I am currently developing a project using the nRF 9151 and SDK version v2.7.0. The issue I am facing is that I have configured the PSM mode, but it doesn&#39;t seem to take effect. I used the command AT+CPSMS=1,,,&quot;00000101&quot;,&quot;00100010&quot; for configurationen-USTelligent Community 13Tue, 17 Dec 2024 11:22:40 GMThttps://devzone.nordicsemi.com/thread/515254?ContentTypeID=1Tue, 17 Dec 2024 11:22:40 GMT137ad170-7792-4731-bb38-c0d22fbe4515:45e0714b-ec5f-425d-bf2c-bbf9f93f1888jing<p>How long did you wait to see if it enters PSM?</p> <p>According to your CEREG, you&#39;re getting an Active Time of 2 minutes.&nbsp; So it will go to PSM after this period.</p> <p></p> <p>I am also getting a &quot;1110000&quot;&nbsp;&lt;Periodic-TAU-ext&gt; from my service provider.</p> <p>Following&nbsp;<a id="i1" href="https://devzone.nordicsemi.com/f/nordic-q-a/87451/role-of-active-time-in-psm-requests-granted-values_">https://devzone.nordicsemi.com/f/nordic-q-a/87451/role-of-active-time-in-psm-requests-granted-values</a>, I used&nbsp;AT%XMONITOR to get the non-extended version of Periodic TAU.</p> <p></p> <p></p> <p>Jing</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/512778?ContentTypeID=1Fri, 29 Nov 2024 13:57:50 GMT137ad170-7792-4731-bb38-c0d22fbe4515:58717139-6668-4124-9df9-aeb21c6d8fefHakon<p>Hello,</p> <p>you should check if the SIM card you have is allowed PSM on the network. You should contact the network provider.</p><div style="clear:both;"></div>