[c-nsp] Opensource tool to measure Jitter for VoIP

[Ray Burkholder]

> 
> Thanks guys, the customer is looking for a third party vendor for this
> test
> because we already used IP SLA and it looks good but the Media Gateways
> vendor has its own measurement tool inside and they mentioned that
> their
> values are bad (8 msec jittter).

Obtain nProbe from NTOP.  It can be used to collect jitter statistics,
amongst other things.  nProbe has a small, reasonable one time licensing
fee.  Use any version 9 netflow analyzer to look at the statistics.

http://www.oneunified.net/blog/OpenSource/Debian/Monitoring/ntop.article

> 
> 
> On Mon, Jun 8, 2009 at 2:31 PM, <masood at nexlinx.net.pk> wrote:
> 
> > MTR is a nice tool to check delay, loss and jitter stuff. If you wana
> keep
> > track of historic logs, you can use nagios (or a tool like nagios).
> >
> > You can write your own scripts (using tcl, bash, perl or whatever u
> like)
> > to monitor delay, jitter and loss and can feed the output to nagios
> for
> > historic logs.
> >
> >
> > > Hello,
> > >
> > > I'm looking for a way to measure Jitter for a VoIP network and i
> cant get
> > > my
> > > hands on IXIA or any fancy tool like that so i'm asking if anyone
> used
> > any
> > > open source tool specifically for the matter.
> > >
> > > IPerf is an option but i've never used it, so can you guys point me
> if i
> > > can
> > > be used and what are the tests that i can try with it, my skills on
> *nix
> > > and
> > > these tools is similar to my skills with Chinese poetry ;)
> > >


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