<div dir="ltr"><div class="gmail_default" style="font-family:tahoma,sans-serif">Hi guys, </div><div class="gmail_default" style="font-family:tahoma,sans-serif"><br></div><div class="gmail_default" style="font-family:tahoma,sans-serif">Im using the B2BUA module to send a call out to our subscribers and bridge them with our IVR server on answer. </div><div class="gmail_default" style="font-family:tahoma,sans-serif"><br></div><div class="gmail_default" style="font-family:tahoma,sans-serif">The subscriber side uses linphone and the media server is a freeswitch 1.6. When placing the call thru the trigger scenario MI command, the initial invite does not have any SDP inside which makes sense. </div><div class="gmail_default" style="font-family:tahoma,sans-serif"><br></div><div class="gmail_default" style="font-family:tahoma,sans-serif">Once the 200ok is received from the linphone client, opensips uses  the SDP contained in the 200 to generate an invite to the freeswitch box. which is great. </div><div class="gmail_default" style="font-family:tahoma,sans-serif"><br></div><div class="gmail_default" style="font-family:tahoma,sans-serif">However, when the 200ok is received from freeswitch, the following ACK back the linphone client does not contain the SDP and Linphone complains with &quot;No codec intersection&quot; and sends an immediate bye. </div><div class="gmail_default" style="font-family:tahoma,sans-serif"><br></div><div class="gmail_default" style="font-family:tahoma,sans-serif">Am i right to think that the sdp should go in the ack to create a late offer? </div><div class="gmail_default" style="font-family:tahoma,sans-serif">Should i be sending a re invite? </div><div class="gmail_default" style="font-family:tahoma,sans-serif"><br></div><div class="gmail_default" style="font-family:tahoma,sans-serif">any help appreciated. </div><div class="gmail_default" style="font-family:tahoma,sans-serif"><br></div><div class="gmail_default" style="font-family:tahoma,sans-serif">My scenario is simple. </div><div class="gmail_default" style="font-family:tahoma,sans-serif"><br></div><div class="gmail_default" style="font-family:tahoma,sans-serif"><div class="gmail_default">&lt;?xml version=&quot;1.0&quot;?&gt;</div><div class="gmail_default">&lt;scenario id=&quot;dialer&quot; name=&quot;MS start conditional&quot; param=&quot;2&quot; type=&quot;extern&quot;&gt; </div><div class="gmail_default">  &lt;init&gt;</div><div class="gmail_default">    &lt;bridge&gt;</div><div class="gmail_default">    &lt;client&gt; </div><div class="gmail_default">        &lt;id&gt;client1&lt;/id&gt;</div><div class="gmail_default">        &lt;destination&gt;</div><div class="gmail_default">           &lt;value type=&quot;param&quot;&gt;1&lt;/value&gt;</div><div class="gmail_default">        &lt;/destination&gt;</div><div class="gmail_default">    &lt;/client&gt;</div><div class="gmail_default">    &lt;client&gt;</div><div class="gmail_default">        &lt;id&gt;client2&lt;/id&gt;</div><div class="gmail_default">        &lt;destination&gt;</div><div class="gmail_default">           &lt;value type=&quot;param&quot;&gt;2&lt;/value&gt;</div><div class="gmail_default">        &lt;/destination&gt;</div><div class="gmail_default">    &lt;/client&gt;</div><div class="gmail_default">    &lt;/bridge&gt;</div><div class="gmail_default">    &lt;state&gt;1&lt;/state&gt;</div><div class="gmail_default">  &lt;/init&gt;  </div><div class="gmail_default">&lt;/scenario&gt; </div></div><div class="gmail_default" style="font-family:tahoma,sans-serif"><br></div><div class="gmail_default" style="font-family:tahoma,sans-serif"><br></div><div class="gmail_default" style="font-family:tahoma,sans-serif"><br></div><div class="gmail_default" style="font-family:tahoma,sans-serif"><br></div><div dir="ltr"><div class="gmail_default" style="font-family:tahoma,sans-serif"><br></div></div></div>