<html><body><div style="color:#000; background-color:#fff; font-family:arial, helvetica, sans-serif;font-size:10pt">thanks, good to know.<br>The only (silly, rhetorical) question is, who in his own mind would run a Windows server to host Linux VM's :-))<br><br><div><span><br></span></div><div><br><blockquote style="border-left: 2px solid rgb(16, 16, 255); margin-left: 5px; margin-top: 5px; padding-left: 5px;"> <div style="font-family: arial, helvetica, sans-serif; font-size: 10pt;"> <div style="font-family: times new roman, new york, times, serif; font-size: 12pt;"> <div dir="ltr"> <hr size="1"> <font face="Arial" size="2"> <b><span style="font-weight:bold;">From:</span></b> Jeff Leung <jleung@v10networks.ca><br> <b><span style="font-weight: bold;">To:</span></b> FreeSWITCH Users Help <freeswitch-users@lists.freeswitch.org> <br> <b><span style="font-weight: bold;">Sent:</span></b> Tuesday, August 27, 2013 5:31 PM<br> <b><span
style="font-weight: bold;">Subject:</span></b> Re: [Freeswitch-users] freeswitch on ubuntu VM on hyper-v<br> </font> </div> <div class="y_msg_container"><br><div id="yiv1141010675"><style><!--
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--></style><div><div class="yiv1141010675WordSection1"><div class="yiv1141010675MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri", "sans-serif";color:#1F497D;">I would have to say that one can expect audio distortion issues is just not true anymore.</span></div><div class="yiv1141010675MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri", "sans-serif";color:#1F497D;"> </span></div><div class="yiv1141010675MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri", "sans-serif";color:#1F497D;">With the new Hyper-V integration code present since the 3.5 and 3.8 kernels which Ubuntu 12.04 and 13.04 uses, the Linux kernel can use a synthetic clock source that Hyper-V provides just like KVM does. Even the CentOS 6.4 kernel uses a synthetic clock source too as the guys at Red Hat back ported a lot of changes from the upstream Hyper-V code back to their
kernel.</span></div><div class="yiv1141010675MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri", "sans-serif";color:#1F497D;"> </span></div><div class="yiv1141010675MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri", "sans-serif";color:#1F497D;">If the synthetic clock source doesn’t work out for you, there is always the good old mod_timerfd to fix issues like this.</span></div><div class="yiv1141010675MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri", "sans-serif";color:#1F497D;"> </span></div><div style="border:none;border-left:solid blue 1.5pt;padding:0in 0in 0in 4.0pt;"><div><div style="border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in;"><div class="yiv1141010675MsoNormal"><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-users-bounces@lists.freeswitch.org [mailto:freeswitch-users-bounces@lists.freeswitch.org] <b>On Behalf Of </b>Stanislav Sinyagin<br><b>Sent:</b> Tuesday, August 27, 2013 8:16 AM<br><b>To:</b> FreeSWITCH Users Help<br><b>Subject:</b> Re: [Freeswitch-users] freeswitch on ubuntu VM on hyper-v</span></div></div></div><div class="yiv1141010675MsoNormal"> </div><div><div><div class="yiv1141010675MsoNormal" style="background:white;"><span style="font-size:10.0pt;font-family:"Arial", "sans-serif";color:black;">You will likely have audio distortions. OpenVZ or Xen virtualization should do a better job (myself, I run two production servers under XEN and never had problems with audio quality).</span></div></div><div><div class="yiv1141010675MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",
"sans-serif";color:black;"> </span></div></div><div><div class="yiv1141010675MsoNormal"><span style="font-size:10.0pt;font-family:"Arial", "sans-serif";color:black;">Search in Google for FreeSWITCH or Asterisk under Hyper-V, and you will see the whole spectrum of opinions, and no real detailed test results.</span></div></div><div><div class="yiv1141010675MsoNormal"><span style="font-size:10.0pt;font-family:"Arial", "sans-serif";color:black;"> </span></div></div><div><div class="yiv1141010675MsoNormal"><span style="font-size:10.0pt;font-family:"Arial", "sans-serif";color:black;"> </span></div></div><div><div class="yiv1141010675MsoNormal"><span style="font-size:10.0pt;font-family:"Arial", "sans-serif";color:black;"> </span></div></div><div><blockquote style="border:none;border-left:solid #1010FF 1.5pt;padding:0in 0in 0in
4.0pt;margin-left:3.75pt;margin-top:3.75pt;margin-bottom:5.0pt;"><div class="yiv1141010675MsoNormal" style="background:white;"><span style="font-size:10.0pt;font-family:"Arial", "sans-serif";color:black;"> </span></div><div><div><div><div class="yiv1141010675MsoNormal" style="text-align:center;background:white;" align="center"><span style="color:black;"><hr align="center" size="1" width="100%"></span></div><div class="yiv1141010675MsoNormal" style="background:white;"><b><span style="font-size:10.0pt;font-family:"Arial", "sans-serif";color:black;">From:</span></b><span style="font-size:10.0pt;font-family:"Arial", "sans-serif";color:black;"> lloyd thomas <<a rel="nofollow" ymailto="mailto:lloydie.t@gmail.com" target="_blank" href="mailto:lloydie.t@gmail.com">lloydie.t@gmail.com</a>><br><b>To:</b> freeswitch-users <<a rel="nofollow"
ymailto="mailto:FreeSWITCH-users@lists.freeswitch.org" target="_blank" href="mailto:FreeSWITCH-users@lists.freeswitch.org">FreeSWITCH-users@lists.freeswitch.org</a>> <br><b>Sent:</b> Tuesday, August 27, 2013 3:10 PM<br><b>Subject:</b> [Freeswitch-users] freeswitch on ubuntu VM on hyper-v</span><span style="color:black;"></span></div></div><div><div class="yiv1141010675MsoNormal" style="background:white;"><span style="color:black;"> </span></div><div id="yiv1141010675"><div><div><div class="yiv1141010675MsoNormal" style="margin-bottom:12.0pt;background:white;"><span style="color:black;">I just need a little advice setting up a freeswitch VM box shared with a http VM on hyper-v host and was wondering whether there are any gotcha's that I should be aware of.<br><br></span></div></div><div><div class="yiv1141010675MsoNormal" style="background:white;"><span style="color:black;">I expect about 50 devices to be registered on it at any time and not
expecting a high volume of calls.</span></div></div><div><div class="yiv1141010675MsoNormal" style="background:white;"><span style="color:black;">It will be a fairly low spec dual core machine (dell sc1425), with 8gb ram</span></div></div><div><div class="yiv1141010675MsoNormal" style="background:white;"><span style="color:black;"> </span></div></div><div><div class="yiv1141010675MsoNormal" style="background:white;"><span style="color:black;">Thanks in advance for any advice.</span></div></div></div></div><div class="yiv1141010675MsoNormal" style="background:white;"><span style="color:black;"> </span></div></div></div></div></blockquote></div></div></div></div></div></div><br>_________________________________________________________________________<br>Professional FreeSWITCH Consulting Services:<br><a ymailto="mailto:consulting@freeswitch.org" href="mailto:consulting@freeswitch.org">consulting@freeswitch.org</a><br><a
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