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<p>Scenario is this <br>
</p>
<p><br>
</p>
<p>A ---> OPENSIPS and rtpengine -----> B <br>
</p>
<p> INV -> > INV</p>
<p> 183 sdp < <183 sdp</p>
<p> < 480</p>
<p>
-------------------------------------------------> Voicemail</p>
<p> > INV
<br>
</p>
<p> < 200
with diff sdp</p>
<p> 200 with diff sdp <</p>
<p>would giving rtpengine the port latching option fix this ? <br>
</p>
<p><br>
</p>
<p>wkr, <br>
</p>
<div class="moz-cite-prefix">On 1/10/2021 16:41, Ben Newlin wrote:<br>
</div>
<blockquote type="cite"
cite="mid:BN0PR10MB52086DD2D36B449E08612C4B95AB9@BN0PR10MB5208.namprd10.prod.outlook.com">
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<p class="MsoNormal">No, this is not allowed by the
specification, though some devices do handle it.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><a
href="https://datatracker.ietf.org/doc/html/rfc3261#section-13.2.1"
moz-do-not-send="true">https://datatracker.ietf.org/doc/html/rfc3261#section-13.2.1</a><o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<div>
<p class="MsoNormal"><span style="color:black">Ben Newlin </span><o:p></o:p></p>
</div>
<p class="MsoNormal"><o:p> </o:p></p>
<div style="border:none;border-top:solid #B5C4DF
1.0pt;padding:3.0pt 0in 0in 0in">
<p class="MsoNormal" style="margin-bottom:12.0pt"><b><span
style="font-size:12.0pt;color:black">From:
</span></b><span style="font-size:12.0pt;color:black">Users
<a class="moz-txt-link-rfc2396E" href="mailto:users-bounces@lists.opensips.org"><users-bounces@lists.opensips.org></a> on behalf of
johan <a class="moz-txt-link-rfc2396E" href="mailto:johan@democon.be"><johan@democon.be></a><br>
<b>Date: </b>Friday, October 1, 2021 at 10:35 AM<br>
<b>To: </b>OpenSIPS users mailling list
<a class="moz-txt-link-rfc2396E" href="mailto:users@lists.opensips.org"><users@lists.opensips.org></a><br>
<b>Subject: </b>[OpenSIPS-Users] question on call
handling.<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal" style="margin-bottom:12.0pt">Dears,<br>
<br>
<br>
this is more a general sip question. when establishing a
dialog is it<br>
then allowed to change the sdp that you have sent in 183 to
somehting<br>
else in 200 Ok ?<br>
<br>
<br>
wkr,<br>
<br>
<br>
_______________________________________________<br>
Users mailing list<br>
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<a
href="http://lists.opensips.org/cgi-bin/mailman/listinfo/users"
moz-do-not-send="true">http://lists.opensips.org/cgi-bin/mailman/listinfo/users</a><o:p></o:p></p>
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<br>
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<pre class="moz-quote-pre" wrap="">_______________________________________________
Users mailing list
<a class="moz-txt-link-abbreviated" href="mailto:Users@lists.opensips.org">Users@lists.opensips.org</a>
<a class="moz-txt-link-freetext" href="http://lists.opensips.org/cgi-bin/mailman/listinfo/users">http://lists.opensips.org/cgi-bin/mailman/listinfo/users</a>
</pre>
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