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<h2><a href="https://wiki.asterisk.org/wiki/display/AST/Secure+Calling+Tutorial?focusedCommentId=22773880#comment-22773880">Secure Calling Tutorial</a></h2>
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<b>comment added</b> by <a href="https://wiki.asterisk.org/wiki/display/~mdavenport">Malcolm Davenport</a>
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<p>If you're configured for TCP then they'll be exchanged in clear text. If you're configured for TLS then they're only exchanged in the secured TLS.</p>
<p>Since in this guide we were already doing TLS, things were fine. I changed the image to remove any ambiguity. </p>
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<strong>In reply to a comment by <a href="/wiki/display/~gnuday"
class="url fn confluence-userlink" data-username="gnuday"
>johnc</a>:</strong><br/>
<p> I noticed you took down the picture with selecting "use SRTP without TLS" enabled. Have you tested this configuration with and without the option selected? What was the result? Can asterisk only exchange SRTP keys in clear text? Thanks again.</p>
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