On 17 Jun 2006, at 13:58, trixter aka Bret McDanel wrote:
On Sat, 2006-06-17 at 12:52 +0200, Florian Overkamp wrote:
The work that you have done so far is a great step towards a product
that many people might find useful. In a nutshell the concept I am
thinking about is a tool that you drop onto your network and it will
monitor the data (presumably not just iax but sip, h.323,
whatever) and
generate live stats of the call and possibly even have an alarm
system
that would send off a page or something if conditions get too far
from
'normal'.
Yes, that would be excellent indeed. Problem is that the location of
measurement will influence the scoring :) If you have good ideas
towards
this we'd be very interested in participating.
off the cuff I am thinking libpcap and possibly some of the open
source
libs that allow you to read RTP frames and other goodies.
Configure the
switch to replicate the traffic to the monitoring box so that you dont
have any delay associated with the monitoring box itself. Granted
packet sniffers arent 100% and can drop frames themselves, even though
they are sent and received, but its a start.
I went to a talk at SANE (2006) by the guy from ntop (http://
www.ntop.org/)
He has done quite a bit of work on this area, to the point of
monitoring who is talking to who over VOIP with ntop - both
'now' and historically. I don't have the paper to hand, but the
abstract is here:
http://www.sane.nl/sane2006/program/abstract.php?eventid=14
Tim Panton
[EMAIL PROTECTED]
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