I haven't tried the scripts yet, but the book "*VoIP Hacks : Tips & Tools for Internet Telephony (Hacks)" (http://www.amazon.com/exec/obidos/tg/detail/-/0596101333/qid=1151018442/sr=2-1/ref=pd_bbs_b_2_1/103-6123898-6212653?v=glance&s=books)

has a collection of perl scripts for monitoring network quality, including, IIRC, jitter. I don't know how well the scripts will work with Nagios, but it might be worth checking out.

--Mike


*
Message: 13
Date: Thu, 22 Jun 2006 12:53:50 -0400
From: "Curt Shaffer" <[EMAIL PROTECTED]>
Subject: [Asterisk-Users] Quality monitoring
To: "'Asterisk Users Mailing List - Non-Commercial Discussion'"
        <[email protected]>
Message-ID: <[EMAIL PROTECTED]>
Content-Type: text/plain; charset="us-ascii"

Does anyone out there have a recommendation for tools that will monitor the
quality of VoIP systems? I am looking for jitter and MOS monitoring. I have
a custom Nagios plugin that is alerting me if the jitter jumps out of a 20ms
but I am looking for a little more detail. I would not be against writing
something in Perl for Nagios to do but I don't really know where to start on
measuring jitter other than with ICMP pulls and really don't know where to
start with doing MOS.
Any ideas?

Thanks

Curt

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