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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Hello,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>what do you mean &quot;1000 conferencing channels&quot; ? Are these 100 rooms for 10 partecipants for example?<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Could you add your production experience in this page if it makes sense?<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>http://wiki.freeswitch.org/wiki/Real-world_results<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>I'm not sure because afaik a conference implies a transcoding from any codec to linear audio for the mixing and back to the codec.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p>&nbsp;</o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Thanks,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Claudio<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p>&nbsp;</o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p>&nbsp;</o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p>&nbsp;</o:p></span></p><div style='border:none;border-left:solid blue 1.5pt;padding:0cm 0cm 0cm 4.0pt'><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> freeswitch-dev-bounces@lists.freeswitch.org [mailto:freeswitch-dev-bounces@lists.freeswitch.org] <b>On Behalf Of </b>Jeff Ullman<br><b>Sent:</b> Wednesday, December 14, 2011 11:35 PM<br><b>To:</b> freeswitch-dev@lists.freeswitch.org<br><b>Subject:</b> Re: [Freeswitch-dev] Specs for 1000 channels streaming<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p>&nbsp;</o:p></p><p class=MsoNormal>That's good questions Vitalie. &nbsp;I consider worst case scenario with G711 which &nbsp;really takes much more than advertised 64KB , &nbsp; in fact I feel goes beyond 100KB. I know it make no sense but &nbsp;sometime I don't' know if other (DB etc..) traffic is killer here. &nbsp;We might move to gig bandwidth environment soon so bandwidth shouldn't' be problem.&nbsp;<o:p></o:p></p><div><p class=MsoNormal><o:p>&nbsp;</o:p></p></div><div><p class=MsoNormal>On my current server (Quad Core 2376 2.3GHz , 4GM RAM) , &nbsp;I &nbsp;start getting garbled voice ( all kind of delays ) on 200 channels usage and it's all pcmu. &nbsp;&nbsp;<o:p></o:p></p></div><div><p class=MsoNormal><o:p>&nbsp;</o:p></p></div><div><p class=MsoNormal style='margin-bottom:12.0pt'><o:p>&nbsp;</o:p></p><div><p class=MsoNormal>On Wed, Dec 14, 2011 at 10:50 AM, Vitali Colosov &lt;<a href="mailto:vetali100@gmail.com">vetali100@gmail.com</a>&gt; wrote:<o:p></o:p></p><p class=MsoNormal>Which codec is used?<br><br>Did you get a chance to measure the total bandwidth consumed when all 1000 channels are active?<br><br>Are there any minor or major voice quality problem?<br><br>Thanks<br>Vitalie<o:p></o:p></p><div><div><p class=MsoNormal><br>On Dec 14, 2011, at 9:51 AM, Craig N. Zimmerman wrote:<br><br>&gt; I currently have production box that I tested for 1000 conferencing channels.<br>&gt;<br>&gt; Specs are:<br>&gt; CPU: AMD Phenom X6 Hexa Core Processor<br>&gt; Speed: 6 Processor Cores, 2.8 GHz (Turbo 3.3 GHz)<br>&gt; RAM: 8GB DDR3<br>&gt;<br>&gt; Hope this gives you an idea big you need to go.<br>&gt;<br>&gt; The More CPU &amp; Bandwidth to the server the better!<br>&gt; Thanks<br>&gt; Craig Zimmerman<br>&gt;<br>&gt;<br>&gt; -----Original Message-----<br>&gt; From: <a href="mailto:freeswitch-dev-bounces@lists.freeswitch.org">freeswitch-dev-bounces@lists.freeswitch.org</a> [mailto:<a href="mailto:freeswitch-dev-bounces@lists.freeswitch.org">freeswitch-dev-bounces@lists.freeswitch.org</a>] On Behalf Of <a href="mailto:freeswitch-dev-request@lists.freeswitch.org">freeswitch-dev-request@lists.freeswitch.org</a><br>&gt; Sent: Wednesday, December 14, 2011 12:36 PM<br>&gt; To: <a href="mailto:freeswitch-dev@lists.freeswitch.org">freeswitch-dev@lists.freeswitch.org</a><br>&gt; Subject: FreeSWITCH-dev Digest, Vol 66, Issue 8<br>&gt;<br>&gt; Send FreeSWITCH-dev mailing list submissions to<br>&gt; &nbsp; &nbsp; &nbsp; <a href="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