If you plan to transcode g729 to g711 it will impact performance dramatically but you should still get a few hundered channels up on a nice server box. You could contact <a href="mailto:consulting@freeswitch.org">consulting@freeswitch.org</a> about g729 license options.<br>
<br>With no g729 you could scale a nice 8 core box into a few thousand channels pushing rtp.<br><br>Do you have a requirement to transcode g729? you could just use g711 right from the phone couldn't you?<br> <br><br>
<div class="gmail_quote">On Fri, Mar 19, 2010 at 10:13 AM, Ken Fulmer <span dir="ltr"><<a href="mailto:kenfulmer@icstechnologysolutions.com">kenfulmer@icstechnologysolutions.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
<div link="blue" vlink="purple" lang="EN-US">
<div>
<p><span>1.<span style="font: 7pt "Times New Roman";">
</span></span>We would like to transcode from g711mu internally to
g729 for PSTN calls. Is this possible? </p>
<p><span>2.<span style="font: 7pt "Times New Roman";">
</span></span>We are using sipX as an open source PBX. We’d
like to use FreeSwitch purely as a B2BUA for connectivity to the PSTN. Our
Polycom phones use SIP REFER messages to do call transfers and our ITSPs can’t
handle those. So, we’ve tried the “under the hood” FreeSwitch
within sipX. It works for many applications but we need to scale a unified
system for larger customer deployments. If we want to create a trunk to an ITSP
and a trunk to an internal PBX, would we use the external gateway XML files for
both? We don’t plan to point any internal phones to the FreeSwitch box
(we’re using sipX as an internal PBX). </p>
<p><span>3.<span style="font: 7pt "Times New Roman";">
</span></span>If we use multiple ITSPs, can we assign a priority to
each one, so one will be chosen first? </p>
<p><span>4.<span style="font: 7pt "Times New Roman";">
</span></span>I understand no performance metrics are posted. Can
anyone share their experiences with passing RTP through the server? Does RTP
affect performance in a big way (very open ended question, I know). We are
looking for ball park answers so we’ll have some idea of scalability for
our designs. </p>
<p class="MsoNormal"> </p>
<p class="MsoNormal">Thanks,</p>
<p class="MsoNormal"> </p>
<p class="MsoNormal">Ken Fulmer</p>
<p class="MsoNormal"> </p>
</div>
</div>
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