Since your subject says without SIP signalling update, no. The phone needs to detect its IP change and tell FS.<div><br></div><div>FS needs to know where to send signalling messages to as well as media - ringing, answer, hangup etc. That means it needs to know the new IP &amp; port for the SIP part too.</div>

<div><div><br></div><div>The closest to what you&#39;re asking is RTP auto-adjust, which is a workaround for devices unable to handle NAT correctly. But I don&#39;t think it should allow it mid-call, or that could allow someone to hijack your phone call.<div>

<div><div><br></div><div>-Steve</div><div><br></div><div><br><br><div class="gmail_quote">On 21 March 2013 20:44, Anthony Minessale <span dir="ltr">&lt;<a href="mailto:anthony.minessale@gmail.com" target="_blank">anthony.minessale@gmail.com</a>&gt;</span> wrote:<br>

<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">yes if there is a re-invite it will.</div><div class="gmail_extra"><br><br><div class="gmail_quote"><div>

<div class="h5">On Thu, Mar 21, 2013 at 2:40 PM, Jyotshna Cherukuri <span dir="ltr">&lt;<a href="mailto:jcherukuri_necc@yahoo.com" target="_blank">jcherukuri_necc@yahoo.com</a>&gt;</span> wrote:<br>
</div></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div class="h5"><div><div style="font-size:12pt;font-family:times new roman,new york,times,serif"><div>

<span style="font-family:&#39;times new roman&#39;,&#39;new york&#39;,times,serif;font-size:18px">Hi,</span></div>
<div><span style="font-family:&#39;times new roman&#39;,&#39;new york&#39;,times,serif;font-size:large"><br></span></div><div style="font-style:normal"><span style="font-size:18px;font-family:&#39;times new roman&#39;,&#39;new york&#39;,times,serif">I am wondering if <span style="line-height:20px">current version of FS has the capability to dynamically switch RTP trasnmission to the source address of RTP packets if the source address of RTP packets gets changed automatically while a call is already in progress . This might happen when a mobile handset gets a different IP on a access point reconnect during an ongoing call.  </span></span></div>


<div style="font-size:18px;font-style:normal;background-color:transparent;font-family:&#39;times new roman&#39;,&#39;new york&#39;,times,serif"><span style="font-size:18px;font-family:&#39;times new roman&#39;,&#39;new york&#39;,times,serif"><span style="line-height:20px"><br>


</span></span></div><div style="font-size:18px;font-style:normal;background-color:transparent;font-family:&#39;times new roman&#39;,&#39;new york&#39;,times,serif"><span style="font-size:18px;font-family:&#39;times new roman&#39;,&#39;new york&#39;,times,serif"><span style="line-height:20px">Any help is greatly appreciated</span></span></div>


<div style="font-size:18px;font-style:normal;background-color:transparent;font-family:&#39;times new roman&#39;,&#39;new york&#39;,times,serif"><span style="font-size:18px;font-family:&#39;times new roman&#39;,&#39;new york&#39;,times,serif"><span style="line-height:20px"><br>


</span></span></div><div style="font-size:18px;font-style:normal;background-color:transparent;font-family:&#39;times new roman&#39;,&#39;new york&#39;,times,serif"><span style="line-height:20px">Thanks in advance</span></div>


<div style="font-size:18px;font-style:normal;background-color:transparent;font-family:&#39;times new roman&#39;,&#39;new york&#39;,times,serif"><span style="line-height:20px">Regards</span></div><span><font color="#888888"><div style="font-size:18px;font-style:normal;background-color:transparent;font-family:&#39;times new roman&#39;,&#39;new york&#39;,times,serif">


<span style="line-height:20px">Jyotshna</span></div><div style="font-size:18px;font-style:normal;background-color:transparent;font-family:&#39;times new roman&#39;,&#39;new york&#39;,times,serif"><span style="line-height:20px"><br>


</span></div><div style="font-size:18px;font-style:normal;background-color:transparent;font-family:&#39;times new roman&#39;,&#39;new york&#39;,times,serif"><br></div></font></span></div></div><br></div></div>_________________________________________________________________________<br>



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<br></blockquote></div><br><br clear="all"><div><br></div>-- <br>Anthony Minessale II<br><br>FreeSWITCH <a href="http://www.freeswitch.org/" target="_blank">http://www.freeswitch.org/</a><br>ClueCon <a href="http://www.cluecon.com/" target="_blank">http://www.cluecon.com/</a><br>


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<br></blockquote></div><br></div></div></div></div></div>