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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>Creating CIS fails when BLE connection is encrypted (security level &amp;gt;= 2)</title><link>https://devzone.nordicsemi.com/f/nordic-q-a/119952/creating-cis-fails-when-ble-connection-is-encrypted-security-level-2</link><description>Hi all, need to establish a CIS connection to an already connected BLE device with security level &amp;gt; = 2 . However when the ACL connection has security level &amp;gt; = 2 and the host sends the HCI command &amp;quot;HCI _LE _Create _CIS &amp;quot; (0x2064 ) to the Softdevice </description><dc:language>en-US</dc:language><generator>Telligent Community 13</generator><lastBuildDate>Wed, 19 Mar 2025 14:56:59 GMT</lastBuildDate><atom:link rel="self" type="application/rss+xml" href="https://devzone.nordicsemi.com/f/nordic-q-a/119952/creating-cis-fails-when-ble-connection-is-encrypted-security-level-2" /><item><title>RE: Creating CIS fails when BLE connection is encrypted (security level &gt;= 2)</title><link>https://devzone.nordicsemi.com/thread/528042?ContentTypeID=1</link><pubDate>Wed, 19 Mar 2025 14:56:59 GMT</pubDate><guid isPermaLink="false">137ad170-7792-4731-bb38-c0d22fbe4515:285c1ab5-090a-41b8-8427-a50d5535f9ff</guid><dc:creator>ahmed-dl</dc:creator><description>&lt;p&gt;According to answer on Discord, the nRF52840 does not support encrypted isochronous packets.&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item></channel></rss>