[asterisk-users] Re: Choppy sound in voicemail usingAsterisk1.2.11 on CENTOS4 guest on vmware server

[Mario François Jauvin]

Andrew,
Please find links below to sound clips from different combination.  You will see that the 2.6.9.34 kernel on trixbox 2beta still does not sound ok.  What did you do on the trixbox 1.2.2 vmware load to make it work better?  I say better because it is still not perfect as you will notice that it accelerates near the end.  I really appreciate your help and the great work you are doing.  Also, do you know how to go back to a 2.6.9.34 kernel when running the 2.6.9.42 one?
http://www.mfjassociates.net:81/download/trixbox-1.2.2-2.6.9.34-kernel.mp3
http://www.mfjassociates.net:81/download/trixbox-2beta-2.6.9.34-kernel.mp3
http://www.mfjassociates.net:81/download/asterisk-1.2.11-centos4-2.6.9.42-kernel.mp3

Mario

-----Original Message-----
From: asterisk-users-bounces at lists.digium.com [mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Webster, Andrew
Sent: November 12, 2006 1:12 PM
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: RE: [asterisk-users] Re: Choppy sound in voicemail usingAsterisk1.2.11 on CENTOS4 guest on vmware server

> -----Original Message-----
> From: asterisk-users-bounces at lists.digium.com [mailto:asterisk-users-
> bounces at lists.digium.com] On Behalf Of Martin Joseph
> Sent: Saturday, November 11, 2006 15:01
> To: asterisk-users at lists.digium.com
> Subject: [asterisk-users] Re: Choppy sound in voicemail using
> Asterisk1.2.11 on CENTOS4 guest on vmware server
> 
> On 2006-11-10 09:10:30 -0800, Mario François Jauvin
> <mario at mfjassociates.net> said:
> 
> >
> >
> > This is a multi-part message in MIME format.
> >
> > I have had no success in getting the voicemail working on Asterisk
> > 1.2.11 on CENTOS4(2.6 kernel) guest on vmware server 1.0.1.  I tried
> > with or without ztdummy device, renice -20 on asterisk process and even
> > real-time priority on the host Windows XP box for the vmware process.
> > I am running on an AMD Athlon 64 X2 4600+.  The behaviour is when the
> > voicemail answer, the voice sound ok but when asterisk starts saying
> > the digits from the extension, the sound starts becoming very choppy.
> > The voice after the digits is still choppy.  Does anyone have a
> > suggestion?  The codec that asterisk is using with the softphone I am
> > using is the GSM codec.
> >
> If it sounds like the trouble starts when digits are being spoken,
> perhaps it's related to your disk controller?  Is there a zap channel
> involved in this setup (ie how is the phone connected)?
> 
> Don't know much about the whole vmware thing,  but it sounds like an
> interrupt issue perhaps?
> 
> Marty
> 
>

You don't mention what version of kernel you are using.  
There are known issues with certain versions of Kernel when running inside VMWARE.  2.6.9-34 branch works well, 2.6.9-42 does not!

Andrew

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