[Freeswitch-users] VMWare voice quality

Michael Collins msc at freeswitch.org
Thu Jan 15 09:32:19 PST 2009

If anyone figures this out please post it to this thread. I am working
on a wiki page for the VMWare appliance and I would like to be able to
inform people on how to handle this situation.

Also, IIUC, those running VMWare Fusion on Macs are not experiencing
this, correct? What about those using a hypervisor like ESXi? Any
known issues?


On Thu, Jan 15, 2009 at 9:15 AM, Ken Rice <krice at suspicious.org> wrote:
> On 1/15/09 11:01 AM, "Remko Kloosterman" <R.Kloosterman at mtel.nl> wrote:
>> Hello Ken, hello all,
>> I just read about the FreeSWITCH VMware applicance. I'm curious about
>> your experiences with the audio quality on VMWare, so here's a new
>> thread.
>> I've installed freeswitch on VMware Server for Windows. The IVR audio
>> always plays choppy, while the server itself has no performance issues.
>> The same poor voice quality also goes for Asterisk or Yate, even on a
>> very fast VMware ESX system.
>> Did you experience the same and/or do you have pointers on how to
>> troubleshoot and fix this?
> There is a high resolution timer you need to enable on vmware... I'm not
> familiar enuff with all the versions of vmware to advise there that switch
> is, but they have a couple of articles on it in their knowledge base
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