[Freeswitch-users] VMWare voice quality

[Chav Paskov]

Michael Collins wrote:
> 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?
>
> Thanks,
> MC
>
> 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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>>     
>
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>   
Hi All,
I'm using freeswitch in production environment running on ESXi . I have 
no issues with voice /probably because simply i leave the media to flow 
between endpoints/ . Performance is amazing and i'd recommend this setup 
to everybody.
it is important though when you set your VM on ESXi to set in advance 
the number of CPUs. Changing # of CPUs later might affect your 
performance. My recommendation is NOT to use VMWARE server  on top of 
other OS. ESXi  as hipervisor is  linux in its core that provides you 
with enough access to the HW and nothing more so the overhead is as 
minimal as possible /while this is not the case fro VMware server - it 
needs underlaying  OS and so on/.
I hope this info helps.
If anybody is interested  i'd be glad to share me experience  on his matter.
Best Regards
Chav