[Asterisk-Dev] VoIP Call Sniffer

[Ray Burkholder]

Some Switches have a copying/SPAN mode to allow you to monitor active
interfaces/vlans.
Quoting Rich Adamson <radamson at routers.com>:

> > >>The Bad News:
> > >>
> > >>| VoIPong is a utility which detects all Voice Over IP calls on a
> > >>| pipeline, and for those which are G711 encoded, dumps actual
> > >>| conversation to seperate wave files. It supports SIP, H323, Cisco's
> > >>|  Skinny Client Protocol, RTP and RTCP.
> > > 
> > > 
> > > This actually sounds very much like an Ethereal rip-off. Which has had
> > > this functionality for at least two years.
> > > 
> > 
> > Has anyone on the list actually gotten it to work?
> > 
> > I installed it at several places on my network, just to play around. 
> > And even it situations where I'm pretty certain Ethereal sees the calls 
> > just fine, nothing gets reported by this program.
> 
> If you are using ethernet switches, it won't see the rtp traffic.
> 
> 
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-- 
Ray Burkholder
http://www.oneunified.net
ray at oneunified.net
441 505 7293

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