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<?xml-stylesheet type="text/xsl" href="https://devzone.nordicsemi.com/cfs-file/__key/system/syndication/rss.xsl" media="screen"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/" xmlns:wfw="http://wellformedweb.org/CommentAPI/" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>Zigbee R23 SED Offline Issue</title><link>https://devzone.nordicsemi.com/f/nordic-q-a/126952/zigbee-r23-sed-offline-issue</link><description>Hi and Nordic forum 
 Please find the attached summary on the issue we are facing and help us get the guidance regarding the same 
 
 
 We are developing a Zigbee-based device acting as a Sleepy End Device (SED) using the Zigbee R23 ZBOSS stack. 
 
 </description><dc:language>en-US</dc:language><generator>Telligent Community 13</generator><lastBuildDate>Thu, 12 Feb 2026 14:12:57 GMT</lastBuildDate><atom:link rel="self" type="application/rss+xml" href="https://devzone.nordicsemi.com/f/nordic-q-a/126952/zigbee-r23-sed-offline-issue" /><item><title>RE: Zigbee R23 SED Offline Issue</title><link>https://devzone.nordicsemi.com/thread/561024?ContentTypeID=1</link><pubDate>Thu, 12 Feb 2026 14:12:57 GMT</pubDate><guid isPermaLink="false">137ad170-7792-4731-bb38-c0d22fbe4515:459bfedf-8a86-42b0-a7f0-a6d0bf8cfdc2</guid><dc:creator>SwRa</dc:creator><description>&lt;p&gt;Hi Ajay,&lt;/p&gt;
&lt;p&gt;The documentation here lists the known issue when using the Zigbee-R23 add on:&amp;nbsp;&lt;a href="https://docs.nordicsemi.com/bundle/addon-zigbee-r23-latest/page/known_issues.html#list_of_known_issues"&gt;https://docs.nordicsemi.com/bundle/addon-zigbee-r23-latest/page/known_issues.html#list_of_known_issues&lt;/a&gt;&amp;nbsp;. As for this specific scenario, let me check internally with the team and get back to you.&lt;/p&gt;
&lt;p&gt;Regards,.&lt;/p&gt;
&lt;p&gt;Swathy&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item><item><title>RE: Zigbee R23 SED Offline Issue</title><link>https://devzone.nordicsemi.com/thread/561015?ContentTypeID=1</link><pubDate>Thu, 12 Feb 2026 13:08:46 GMT</pubDate><guid isPermaLink="false">137ad170-7792-4731-bb38-c0d22fbe4515:6a21532a-9e2e-43a3-8a6c-db34afa0ce37</guid><dc:creator>Ajay51230</dc:creator><description>&lt;p&gt;Hi team&amp;nbsp;&lt;/p&gt;
&lt;p&gt;&lt;/p&gt;
&lt;p&gt;Any update on this one&amp;nbsp;&lt;span&gt;&lt;span class="emoticon" data-url="https://devzone.nordicsemi.com/cfs-file/__key/system/emoji/1f642.svg" title="Slight smile"&gt;&amp;#x1f642;&lt;/span&gt;&lt;span class="emoticon" data-url="https://devzone.nordicsemi.com/cfs-file/__key/system/emoji/1f643.svg" title="Upside down"&gt;&amp;#x1f643;&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;/p&gt;
&lt;p&gt;&lt;strong&gt;Thanks and Regards&amp;nbsp;&lt;/strong&gt;&lt;/p&gt;
&lt;p&gt;Ajay&amp;nbsp;&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item><item><title>RE: Zigbee R23 SED Offline Issue</title><link>https://devzone.nordicsemi.com/thread/560885?ContentTypeID=1</link><pubDate>Wed, 11 Feb 2026 10:17:17 GMT</pubDate><guid isPermaLink="false">137ad170-7792-4731-bb38-c0d22fbe4515:41ef8dbd-c21f-4d0d-a3b7-82a83f7781ac</guid><dc:creator>Ajay51230</dc:creator><description>&lt;p class="isSelectedEnd"&gt;&lt;span&gt;Hi &lt;a href="https://devzone.nordicsemi.com/members/swra"&gt;SwRa&lt;/a&gt;&amp;nbsp;&amp;nbsp;and Nordic Team,&lt;/span&gt;&lt;/p&gt;
&lt;p class="isSelectedEnd"&gt;&lt;span&gt;This is a quick follow-up regarding our SED offline and rejoin issue in Zigbee R23 (ZBOSS).&lt;/span&gt;&lt;/p&gt;
&lt;p class="isSelectedEnd"&gt;&lt;span&gt;The recovery mechanism works when the device is directly connected to the Coordinator. However, when the SED joins via a Router, the same rejoin procedure does not consistently succeed.&lt;/span&gt;&lt;/p&gt;
&lt;p class="isSelectedEnd"&gt;&lt;span&gt;Could you please advise whether this behavior is related to router-parent handling in ZBOSS and suggest any recommended configuration or recovery approach for such scenarios?&lt;/span&gt;&lt;/p&gt;
&lt;p class="isSelectedEnd"&gt;&lt;span&gt;Looking forward to your guidance.&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span&gt;&lt;strong&gt;Thanks and regards&lt;/strong&gt;,&lt;/span&gt;&lt;br /&gt;&lt;span&gt;Ajay&lt;/span&gt;&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item></channel></rss>