TCP connection issues with LTE-Mhttps://test-devzone.nordicsemi.com/f/nordic-q-a/87570/tcp-connection-issues-with-lte-mWe are developing a custom device based on the nRF9160 SiP Revision 2 with multiple connections over LTE-M and we are experiencing problems with keeping our only TCP connection connected. The server with which the device connects has TCP keepalive enableden-USTelligent Community 13 Non-ProductionWed, 15 Jun 2022 13:21:06 GMTRE: TCP connection issues with LTE-Mhttps://test-devzone.nordicsemi.com/thread/372588?ContentTypeID=1Wed, 15 Jun 2022 13:21:06 GMT137ad170-7792-4731-bb38-c0d22fbe4515:8f2c7979-91aa-428a-a08e-eabe80c72f27user73166<p>Did you follow <a href="https://infocenter.nordicsemi.com/topic/ug_trace_collector/UG/trace_collector/capture_modem_trace.html">this procedure</a> properly when doing the trace?</p><div style="clear:both;"></div>RE: TCP connection issues with LTE-Mhttps://test-devzone.nordicsemi.com/thread/368944?ContentTypeID=1Mon, 23 May 2022 08:56:34 GMT137ad170-7792-4731-bb38-c0d22fbe4515:175089f7-c488-4b08-bbde-59f6bbdeec76user94971<p>Here is the log file. During logging the TCP connection was dropped twice.<a href="https://test-devzone.nordicsemi.com/cfs-file/__key/communityserver-discussions-components-files/4/RTTLogger_5F00_Channel_5F00_modem_5F00_trace.log">test-devzone.nordicsemi.com/.../RTTLogger_5F00_Channel_5F00_modem_5F00_trace.log</a></p><div style="clear:both;"></div>RE: TCP connection issues with LTE-Mhttps://test-devzone.nordicsemi.com/thread/368023?ContentTypeID=1Mon, 16 May 2022 11:20:34 GMT137ad170-7792-4731-bb38-c0d22fbe4515:70895ae2-4e4f-485c-b9b7-9a8c1b249ee1user73166[quote user="esscriber"]unsure how/if this log needs to be converted to be useful.[/quote] <p>You can just upload the raw trace file here, then me or the modem team will take care of the conversion.</p><div style="clear:both;"></div>RE: TCP connection issues with LTE-Mhttps://test-devzone.nordicsemi.com/thread/367422?ContentTypeID=1Wed, 11 May 2022 12:58:30 GMT137ad170-7792-4731-bb38-c0d22fbe4515:69b9840f-1c9e-4bc7-a9a1-cbc8020b1976user94971<p>I wasn&#39;t able the switch the trace to UART0 because the code keeps giving me errors about UART1 in the devicetree. I was able to set the trace medium to RTT and have a log from that, but my unsure how/if this log needs to be converted to be useful.</p><div style="clear:both;"></div>RE: TCP connection issues with LTE-Mhttps://test-devzone.nordicsemi.com/thread/366496?ContentTypeID=1Thu, 05 May 2022 13:37:41 GMT137ad170-7792-4731-bb38-c0d22fbe4515:b120edd6-6160-464f-871b-2d595ae520a1user73166[quote user="esscriber"]I have a trace where the connection dropped after ~2 hours. Not sure how to enable a modem trace as we can&#39;t use UART1.[/quote] <p>Infocenter says <a href="https://infocenter.nordicsemi.com/topic/ug_trace_collector/UG/trace_collector/enable_tracing.html">you need to change the source</a> in order to use a different port, so maybe you can change <a href="https://github.com/nrfconnect/sdk-nrf/blob/main/lib/nrf_modem_lib/nrf_modem_lib_trace.c#L31">this line</a>.</p><div style="clear:both;"></div>RE: TCP connection issues with LTE-Mhttps://test-devzone.nordicsemi.com/thread/366366?ContentTypeID=1Thu, 05 May 2022 07:50:45 GMT137ad170-7792-4731-bb38-c0d22fbe4515:e4eae7e4-f772-4e19-8099-7ca88a6e1e23user94971<p>I have a trace where the connection dropped after ~2 hours. Not sure how to enable a modem trace as we can&#39;t use UART1.</p> <p><pre class="ui-code" data-mode="text">[00:00:04.836,425] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 896888 ms remaining [00:00:06.828,521] &lt;wrn&gt; lte_modem: AT notification: (&quot;%MDMEV: SEARCH STATUS 2&quot;) [00:00:07.037,719] &lt;dbg&gt; rms.HandleNetworkingEvent: SOCKET_OPEN [00:00:07.038,069] &lt;dbg&gt; rms.SendRegistrationFrame: SendRegistrationFrame start [00:00:07.341,186] &lt;dbg&gt; rms.HandleNetworkingEvent: SOCKET_READ [00:00:07.492,126] &lt;dbg&gt; rms.HandleNetworkingEvent: SOCKET_READ [00:00:07.642,913] &lt;dbg&gt; rms.HandleNetworkingEvent: SOCKET_READ [00:00:07.793,914] &lt;dbg&gt; rms.HandleNetworkingEvent: SOCKET_READ [00:00:07.944,793] &lt;dbg&gt; rms.HandleNetworkingEvent: SOCKET_READ [00:00:08.095,611] &lt;dbg&gt; rms.HandleNetworkingEvent: SOCKET_READ [00:00:08.297,210] &lt;dbg&gt; rms.HandleNetworkingEvent: SOCKET_READ [00:00:08.448,089] &lt;dbg&gt; rms.HandleNetworkingEvent: SOCKET_READ [00:00:08.598,876] &lt;dbg&gt; rms.HandleNetworkingEvent: SOCKET_READ [00:00:08.749,786] &lt;dbg&gt; rms.HandleNetworkingEvent: SOCKET_READ [00:00:09.403,961] &lt;dbg&gt; rms.HandleNetworkingEvent: SOCKET_READ [00:00:09.406,494] &lt;inf&gt; rms: Handling KEEP_ALIVE frame [00:00:09.406,646] &lt;inf&gt; rms: Received keepAliveTimeout: 660 [00:00:21.861,816] &lt;dbg&gt; rms.HandleNetworkingEvent: SOCKET_READ [00:00:22.063,476] &lt;dbg&gt; rms.HandleNetworkingEvent: SOCKET_READ [00:00:22.215,484] &lt;dbg&gt; rms.HandleNetworkingEvent: SOCKET_READ [00:00:22.366,149] &lt;dbg&gt; rms.HandleNetworkingEvent: SOCKET_READ [00:00:22.517,486] &lt;dbg&gt; rms.HandleNetworkingEvent: SOCKET_READ [00:00:39.071,228] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [00:00:41.016,632] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 58054 ms remaining [00:00:57.467,498] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [00:01:00.847,290] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 56620 ms remaining [00:01:01.462,677] &lt;dbg&gt; rms.HandleNetworkingEvent: SOCKET_READ [00:01:27.705,444] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [00:01:51.209,228] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 36496 ms remaining [00:02:18.277,069] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [00:02:41.541,534] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 36735 ms remaining [00:02:58.216,369] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [00:03:02.461,181] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 55755 ms remaining [00:03:23.414,184] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [00:03:31.922,149] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 51492 ms remaining [00:03:48.720,977] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [00:04:07.743,286] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 40977 ms remaining [00:04:38.968,597] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [00:05:12.675,384] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 26293 ms remaining [00:05:33.711,364] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [00:06:03.057,006] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 30654 ms remaining [00:06:33.786,285] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [00:06:53.358,612] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 40427 ms remaining [00:07:10.019,470] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [00:07:17.829,406] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 52190 ms remaining [00:07:38.969,390] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [00:07:43.680,541] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 55288 ms remaining [00:08:00.541,076] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [00:08:23.111,816] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 37429 ms remaining [00:08:50.688,690] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [00:09:24.433,471] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 26255 ms remaining [00:09:44.230,407] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [00:10:00.394,622] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 43835 ms remaining [00:10:00.716,644] &lt;dbg&gt; rms.HandleNetworkingEvent: SOCKET_READ [00:10:00.718,414] &lt;inf&gt; rms: Handling KEEP_ALIVE frame [00:10:00.718,444] &lt;inf&gt; rms: Received keepAliveTimeout: 660 [00:10:31.293,914] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [00:11:01.221,710] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 30072 ms remaining [00:11:22.221,466] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [00:11:55.238,311] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 26983 ms remaining [00:12:22.410,491] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [00:12:45.619,934] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 36790 ms remaining [00:13:02.411,773] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [00:13:06.640,594] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 55771 ms remaining [00:13:27.537,597] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [00:13:36.101,531] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 51436 ms remaining [00:13:52.680,389] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [00:14:11.922,698] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 40757 ms remaining [00:14:42.895,355] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [00:14:51.763,977] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 51131 ms remaining [00:15:08.495,819] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [00:15:16.571,899] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 51923 ms remaining [00:15:37.761,749] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [00:15:42.075,592] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 55686 ms remaining [00:15:58.897,430] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [00:16:21.846,862] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 37050 ms remaining [00:16:49.019,042] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [00:17:22.728,820] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 26290 ms remaining [00:17:43.061,798] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [00:18:13.080,444] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 29981 ms remaining [00:18:43.233,215] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [00:19:03.412,078] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 39821 ms remaining [00:19:20.130,920] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [00:19:27.452,819] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 52678 ms remaining [00:19:48.346,008] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [00:19:51.133,605] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 57212 ms remaining [00:19:52.052,642] &lt;dbg&gt; rms.HandleNetworkingEvent: SOCKET_READ [00:19:52.054,412] &lt;inf&gt; rms: Handling KEEP_ALIVE frame [00:19:52.054,443] &lt;inf&gt; rms: Received keepAliveTimeout: 660 [00:20:10.235,137] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [00:20:43.955,291] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 26279 ms remaining [00:21:08.700,408] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [00:21:34.296,905] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 34403 ms remaining [00:21:50.995,758] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [00:21:52.737,487] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 58258 ms remaining [00:22:13.800,689] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [00:22:24.678,527] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 49122 ms remaining [00:22:41.282,379] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [00:22:58.019,592] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 43262 ms remaining [00:23:31.420,318] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [00:24:03.302,032] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 28118 ms remaining [00:24:24.009,674] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [00:24:55.423,370] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 28586 ms remaining [00:25:24.195,953] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [00:25:45.704,986] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 38491 ms remaining [00:26:02.321,838] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [00:26:08.105,712] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 54216 ms remaining [00:26:29.283,691] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [00:26:36.046,600] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 53237 ms remaining [00:26:52.652,435] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [00:27:13.387,817] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 39264 ms remaining [00:27:42.845,306] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [00:28:16.539,825] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 26305 ms remaining [00:28:34.601,745] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [00:29:07.091,461] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 27510 ms remaining [00:29:38.763,793] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [00:29:41.251,190] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 57512 ms remaining [00:29:44.154,235] &lt;dbg&gt; rms.HandleNetworkingEvent: SOCKET_READ [00:29:44.156,005] &lt;inf&gt; rms: Handling KEEP_ALIVE frame [00:29:44.156,066] &lt;inf&gt; rms: Received keepAliveTimeout: 660 [00:30:00.746,490] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [00:30:12.413,909] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 48332 ms remaining [00:30:29.095,703] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [00:30:44.594,879] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 44500 ms remaining [00:31:19.226,013] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [00:31:49.876,861] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 29349 ms remaining [00:32:10.875,671] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [00:32:43.088,409] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 27787 ms remaining [00:33:11.017,608] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [00:33:33.590,026] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 37427 ms remaining [00:33:50.258,361] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [00:33:55.321,044] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 54937 ms remaining [00:34:16.113,769] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [00:34:23.971,649] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 52142 ms remaining [00:34:40.623,748] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [00:35:00.603,149] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 40020 ms remaining [00:35:30.751,098] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [00:36:04.475,097] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 26276 ms remaining [00:36:21.402,709] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [00:36:54.866,485] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 26536 ms remaining [00:37:21.578,643] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [00:37:45.368,469] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 36210 ms remaining [00:38:01.928,955] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [00:38:05.569,091] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 56359 ms remaining [00:38:26.728,851] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [00:38:35.649,719] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 51079 ms remaining [00:38:52.286,560] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [00:39:10.850,860] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 41435 ms remaining [00:39:31.684,509] &lt;dbg&gt; rms.HandleNetworkingEvent: SOCKET_READ [00:39:31.686,279] &lt;inf&gt; rms: Handling KEEP_ALIVE frame [00:39:31.686,340] &lt;inf&gt; rms: Received keepAliveTimeout: 660 [00:39:48.330,718] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [00:40:16.143,066] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 32187 ms remaining [00:40:32.762,847] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [00:40:35.333,557] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 57429 ms remaining [00:40:53.270,111] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [00:41:06.534,912] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 46735 ms remaining [00:41:23.144,409] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [00:41:37.415,588] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 45728 ms remaining [00:42:13.428,039] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [00:42:42.697,998] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 30730 ms remaining [00:43:03.551,635] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [00:43:37.275,299] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 26276 ms remaining [00:44:09.031,738] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [00:44:42.641,632] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 26390 ms remaining [00:45:03.852,508] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [00:45:32.983,123] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 30869 ms remaining [00:46:03.917,449] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [00:46:23.524,749] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 40392 ms remaining [00:46:40.141,601] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [00:46:47.825,744] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 52315 ms remaining [00:47:09.064,880] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [00:47:13.846,374] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 55218 ms remaining [00:47:30.478,210] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [00:47:53.107,635] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 37370 ms remaining [00:48:20.687,835] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [00:48:54.399,597] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 26288 ms remaining [00:49:14.348,693] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [00:49:22.710,815] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 51637 ms remaining [00:49:23.379,577] &lt;dbg&gt; rms.HandleNetworkingEvent: SOCKET_READ [00:49:23.381,347] &lt;inf&gt; rms: Handling KEEP_ALIVE frame [00:49:23.381,378] &lt;inf&gt; rms: Received keepAliveTimeout: 660 [00:49:40.002,380] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [00:49:44.741,241] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 55261 ms remaining [00:50:01.462,097] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [00:50:24.152,496] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 37309 ms remaining [00:50:51.574,676] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [00:51:25.294,464] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 26280 ms remaining [00:51:45.127,410] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [00:52:15.586,090] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 29541 ms remaining [00:52:45.294,433] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [00:53:05.977,691] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 39316 ms remaining [00:53:22.635,864] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [00:53:29.758,758] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 52877 ms remaining [00:53:50.410,430] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [00:53:56.359,313] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 54051 ms remaining [00:54:13.011,138] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [00:54:34.400,543] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 38610 ms remaining [00:55:03.245,788] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [00:55:36.952,545] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 26293 ms remaining [00:55:55.694,458] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [00:56:27.304,168] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 28390 ms remaining [00:56:55.836,395] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [00:57:17.646,087] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 38190 ms remaining [00:57:34.234,619] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [00:57:40.006,500] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 54228 ms remaining [00:58:00.991,485] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [00:58:07.928,558] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 53062 ms remaining [00:58:39.301,971] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [00:58:45.301,666] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 54000 ms remaining [00:59:06.100,555] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [00:59:12.929,809] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 53170 ms remaining [00:59:14.364,746] &lt;dbg&gt; rms.HandleNetworkingEvent: SOCKET_READ [00:59:14.367,095] &lt;inf&gt; rms: Handling KEEP_ALIVE frame [00:59:14.367,126] &lt;inf&gt; rms: Received keepAliveTimeout: 660 [00:59:30.992,370] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [01:00:03.304,534] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 27687 ms remaining [01:00:30.969,635] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [01:00:53.652,709] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 37317 ms remaining [01:01:10.224,548] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [01:01:15.053,741] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 55170 ms remaining [01:01:36.111,724] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [01:01:43.984,344] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 52127 ms remaining [01:02:00.693,176] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [01:02:20.335,510] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 40357 ms remaining [01:02:50.812,072] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [01:03:24.537,567] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 26274 ms remaining [01:03:41.397,430] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [01:04:14.919,525] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 26477 ms remaining [01:04:41.551,727] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [01:05:05.261,322] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 36290 ms remaining [01:05:21.841,644] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [01:05:25.941,467] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 55900 ms remaining [01:05:46.674,438] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [01:05:55.592,437] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 51082 ms remaining [01:06:12.285,491] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [01:06:30.583,557] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 41702 ms remaining [01:07:02.445,861] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [01:07:35.865,631] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 26580 ms remaining [01:07:56.889,617] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [01:08:26.407,257] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 30482 ms remaining [01:08:57.079,559] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [01:09:03.548,461] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 53531 ms remaining [01:09:06.482,147] &lt;dbg&gt; rms.HandleNetworkingEvent: SOCKET_READ [01:09:06.484,680] &lt;inf&gt; rms: Handling KEEP_ALIVE frame [01:09:06.484,741] &lt;inf&gt; rms: Received keepAliveTimeout: 660 [01:09:33.222,717] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [01:10:06.910,491] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 26312 ms remaining [01:10:28.051,483] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [01:10:57.382,415] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 30669 ms remaining [01:11:28.189,422] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [01:11:47.773,742] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 40415 ms remaining [01:12:04.477,569] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [01:12:12.354,522] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 52123 ms remaining [01:12:33.323,974] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [01:12:38.155,364] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 55168 ms remaining [01:13:09.532,684] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [01:13:17.636,627] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 51896 ms remaining [01:13:38.449,005] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [01:13:43.157,440] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 55291 ms remaining [01:13:59.969,268] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [01:14:22.918,731] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 37050 ms remaining [01:14:50.188,903] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [01:15:23.920,684] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 26268 ms remaining [01:15:43.782,684] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [01:16:14.202,667] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 29580 ms remaining [01:16:43.894,897] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [01:17:04.543,914] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 39351 ms remaining [01:17:21.159,820] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [01:17:27.885,772] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 53274 ms remaining [01:17:49.047,637] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [01:17:54.876,800] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 54170 ms remaining [01:18:11.753,387] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [01:18:33.166,748] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 38586 ms remaining [01:18:53.985,260] &lt;dbg&gt; rms.HandleNetworkingEvent: SOCKET_READ [01:18:53.987,640] &lt;inf&gt; rms: Handling KEEP_ALIVE frame [01:18:53.987,884] &lt;inf&gt; rms: Received keepAliveTimeout: 660 [01:19:10.541,259] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [01:19:35.679,138] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 34862 ms remaining [01:19:52.259,613] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [01:19:54.449,371] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 57810 ms remaining [01:20:15.501,342] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [01:20:26.010,375] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 49491 ms remaining [01:20:42.629,211] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [01:20:59.731,475] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 42897 ms remaining [01:21:32.875,854] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [01:22:05.013,580] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 27862 ms remaining [01:22:25.745,910] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [01:22:56.705,230] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 29040 ms remaining [01:23:25.941,467] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [01:23:47.056,823] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 38884 ms remaining [01:24:03.757,690] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [01:24:09.817,565] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 53940 ms remaining [01:24:31.014,709] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [01:24:37.438,476] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 53576 ms remaining [01:24:54.084,503] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [01:25:15.099,670] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 38984 ms remaining [01:25:44.204,986] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [01:26:17.931,793] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 26273 ms remaining [01:26:36.286,590] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [01:27:08.483,306] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 27803 ms remaining [01:27:39.728,637] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [01:28:13.366,394] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 26362 ms remaining [01:28:36.639,434] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [01:28:45.026,428] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 51613 ms remaining [01:28:45.661,712] &lt;dbg&gt; rms.HandleNetworkingEvent: SOCKET_READ [01:28:45.663,482] &lt;inf&gt; rms: Handling KEEP_ALIVE frame [01:28:45.663,513] &lt;inf&gt; rms: Received keepAliveTimeout: 660 [01:29:02.265,533] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [01:29:03.697,357] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 58568 ms remaining [01:29:20.320,220] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [01:29:46.468,383] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 33851 ms remaining [01:30:10.480,468] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [01:30:44.160,583] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 26319 ms remaining [01:31:07.354,827] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [01:31:34.642,120] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 32712 ms remaining [01:31:51.241,699] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [01:31:54.472,503] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 56769 ms remaining [01:32:12.495,391] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [01:32:24.983,917] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 47511 ms remaining [01:32:41.632,324] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [01:32:56.554,504] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 45077 ms remaining [01:33:31.767,242] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [01:34:01.836,608] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 29930 ms remaining [01:34:22.729,583] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [01:34:55.718,322] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 27011 ms remaining [01:35:22.898,498] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [01:35:46.269,958] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 36628 ms remaining [01:36:02.898,803] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [01:36:07.280,609] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 55618 ms remaining [01:36:27.994,598] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [01:36:36.601,562] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 51393 ms remaining [01:36:53.244,415] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [01:37:11.922,698] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 41321 ms remaining [01:37:43.464,050] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [01:38:17.144,805] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 26319 ms remaining [01:38:35.114,440] &lt;dbg&gt; rms.HandleNetworkingEvent: SOCKET_READ [01:38:35.116,302] &lt;inf&gt; rms: Handling KEEP_ALIVE frame [01:38:35.116,363] &lt;inf&gt; rms: Received keepAliveTimeout: 660 [01:38:51.683,227] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [01:39:07.466,430] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 44216 ms remaining [01:39:24.268,249] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [01:39:35.927,337] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 48341 ms remaining [01:39:56.642,303] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [01:39:57.979,034] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 58663 ms remaining [01:40:14.639,892] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [01:40:40.569,396] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 34070 ms remaining [01:41:04.826,507] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [01:41:38.481,262] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 26345 ms remaining [01:42:10.033,599] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [01:42:43.663,360] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 26370 ms remaining [01:43:02.063,598] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [01:43:34.054,992] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 28008 ms remaining [01:44:02.238,189] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [01:44:24.596,618] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 37641 ms remaining [01:44:41.228,454] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [01:44:46.337,310] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 54891 ms remaining [01:45:07.379,760] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [01:45:14.938,232] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 52441 ms remaining [01:45:31.640,350] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [01:45:51.619,415] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 40021 ms remaining [01:46:21.855,682] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [01:46:55.541,473] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 26314 ms remaining [01:47:12.655,303] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [01:47:45.934,082] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 26721 ms remaining [01:48:12.865,417] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [01:48:25.864,349] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 47001 ms remaining [01:48:26.090,423] &lt;dbg&gt; rms.HandleNetworkingEvent: SOCKET_READ [01:48:26.094,543] &lt;inf&gt; rms: Handling KEEP_ALIVE frame [01:48:26.094,604] &lt;inf&gt; rms: Received keepAliveTimeout: 660 [01:48:52.935,546] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [01:49:26.605,316] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 26330 ms remaining [01:49:47.648,620] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [01:50:16.938,262] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 30710 ms remaining [01:50:47.827,270] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [01:51:07.339,569] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 40487 ms remaining [01:51:23.932,403] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [01:51:32.110,351] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 51822 ms remaining [01:51:52.885,314] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [01:51:57.621,185] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 55264 ms remaining [01:52:14.420,989] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [01:52:37.393,768] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 37027 ms remaining [01:53:04.606,628] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [01:53:38.264,404] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 26342 ms remaining [01:53:58.189,361] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [01:54:28.616,027] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 29573 ms remaining [01:54:29.027,648] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [01:54:29.096,038] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 59931 ms remaining [01:54:58.369,293] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [01:55:19.457,641] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 38911 ms remaining [01:55:36.156,494] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [01:55:42.358,398] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 53798 ms remaining [01:56:03.518,371] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [01:56:09.789,276] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 53729 ms remaining [01:56:40.248,565] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [01:56:47.640,472] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 52608 ms remaining [01:57:08.622,467] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [01:57:13.891,326] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 54731 ms remaining [01:57:30.533,172] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [01:57:52.922,576] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 37610 ms remaining [01:58:16.276,123] &lt;dbg&gt; rms.HandleNetworkingEvent: SOCKET_READ [01:58:16.277,893] &lt;inf&gt; rms: Handling KEEP_ALIVE frame [01:58:16.277,954] &lt;inf&gt; rms: Received keepAliveTimeout: 660 [01:58:32.857,147] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [01:58:54.444,885] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 38412 ms remaining [01:59:11.110,412] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [01:59:16.765,594] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 54344 ms remaining [01:59:37.823,242] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [01:59:44.786,193] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 53037 ms remaining [02:00:01.405,242] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [02:00:22.047,363] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 39358 ms remaining [02:00:51.592,651] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [02:01:25.319,732] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 26272 ms remaining [02:01:43.068,267] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [02:02:15.721,038] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 27347 ms remaining [02:02:43.223,205] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [02:03:06.062,652] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 37160 ms remaining [02:03:22.675,811] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [02:03:27.653,320] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 55022 ms remaining [02:03:48.371,307] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [02:03:56.384,643] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 51986 ms remaining [02:04:13.007,110] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [02:04:32.295,410] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 40711 ms remaining [02:05:03.187,713] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [02:05:36.877,685] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 26310 ms remaining [02:05:53.619,354] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [02:06:27.229,095] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 26390 ms remaining [02:06:53.831,268] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [02:07:17.620,727] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 36210 ms remaining [02:07:34.273,590] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [02:07:37.901,367] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 56372 ms remaining [02:07:58.969,360] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [02:08:07.342,315] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 51627 ms remaining [02:08:07.921,203] &lt;dbg&gt; rms.HandleNetworkingEvent: SOCKET_READ [02:08:07.922,973] &lt;inf&gt; rms: Handling KEEP_ALIVE frame [02:08:07.923,004] &lt;inf&gt; rms: Received keepAliveTimeout: 660 [02:08:24.486,175] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [02:08:58.173,950] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 26312 ms remaining [02:09:24.482,116] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [02:09:48.515,563] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 35966 ms remaining [02:10:05.166,442] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [02:10:08.946,228] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 56220 ms remaining [02:10:29.625,213] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [02:10:38.897,186] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 50728 ms remaining [02:11:10.586,700] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [02:11:13.588,623] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 56998 ms remaining [02:11:34.684,295] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [02:11:44.159,301] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 50525 ms remaining [02:12:00.759,124] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [02:12:18.870,422] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 41888 ms remaining [02:12:50.974,029] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [02:13:24.152,557] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 26821 ms remaining [02:13:44.973,510] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [02:14:14.834,136] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 30139 ms remaining [02:14:45.091,400] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [02:15:05.185,760] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 39905 ms remaining [02:15:22.407,623] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [02:15:29.596,862] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 52810 ms remaining [02:15:30.187,835] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [02:15:30.256,530] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 59931 ms remaining [02:15:31.547,882] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [02:15:55.537,689] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 36010 ms remaining [02:16:12.169,219] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [02:16:45.848,999] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 26320 ms remaining [02:17:02.494,812] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [02:17:36.200,592] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 26294 ms remaining [02:17:52.839,447] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [02:18:26.542,419] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 26297 ms remaining [02:18:43.178,070] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [02:19:07.923,919] &lt;wrn&gt; rms: Keep alive timer expired, resetting connection [02:19:07.933,013] &lt;dbg&gt; rms.HandleNetworkingEvent: SOCKET_CLOSE [02:19:07.933,044] &lt;wrn&gt; rms: Lost connection [02:19:08.024,566] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 35153 ms remaining [02:19:08.674,835] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [02:19:08.743,560] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 59931 ms remaining [02:19:33.458,679] &lt;err&gt; lte_modem: +CSCON: 0,7,4. Starting IdleTimer [02:19:49.044,860] &lt;err&gt; lte_modem: +CSCON: 1,7,4. IdleTimer: 44413 ms remaining [02:19:49.252,777] &lt;dbg&gt; rms.HandleNetworkingEvent: SOCKET_OPEN [02:19:49.252,807] &lt;dbg&gt; rms.SendRegistrationFrame: SendRegistrationFrame start</pre></p><div style="clear:both;"></div>RE: TCP connection issues with LTE-Mhttps://test-devzone.nordicsemi.com/thread/366309?ContentTypeID=1Wed, 04 May 2022 15:41:03 GMT137ad170-7792-4731-bb38-c0d22fbe4515:cb458555-757e-41b0-b245-b5b5180fc59fuser73166<p>Hello,</p> <p>can you include logs and modem trace from when the connection is dropping?</p><div style="clear:both;"></div>