After
the
process
has
competed
the
system
will
notify
you
that“Trace
Complete”
and
you
can
view
which
routes
the
packets
have
taken
before
reaching
their
final
destination.
5.8.3
TCPDUMP
TCPDUMP
is
a
common
packet
analyzer
and
allows
users
to
capture
TCP/IP
and
other
packets
being
transmitted
or
received
over
a
network
to
which
the
CooVox
IPPBX
is
attached.
The
captured
packets
can
be
downloaded
from
the
IPPBX
system
and
thenanalyzed
on
your
Windows
PC
to
display
the
SIP
traffic
details.A
typical
example
of
its
use
is
to
debug
a
VoIP
call
problem.
On
System
‐
>Troubleshooting
‐
>TCPDUMP
page
you
can
do
a
capture
on
one
of
the
CooVox
IPPBX
Ethernet
interface.
Select
an
interface
and
specify
the
duration
for
this
capture
then
click
on
“Start”,
the
process
will
begin
and
now
you
can
make
a
call
to
capture
the
problem.
