2009
DTT
USER
MANUAL
VoIP
2
All
™
Series: 4 Channel Gateway User Manual
2
Dear
Customer,
We
thank
you
for
purchasing
DTT
’s
VoIP
2
ALL
Gateway.
All
our
products
are
developed
and
produced
by
experienced
engineers,
who
aspire
to
achieve
customer
satisfaction,
utility
value
and
reliability
of
products.
The
information
in
this
manual
has
been
compiled
and
checked
for
accuracy
by
DTT
.
It
however
does
not
constitute
as
a
warranty
of
performance.
We
hope
you
enjoy
our
product
and
always
appreciate
any
comments
you
may
have.
This
will
General
Notes
Without
a
notice
and
without
obligation,
the
contents
of
this
manual
may
be
revised
to
incorporate
changes
and
improvements.
Every
effort
has
been
made
to
ensure
that
the
information
is
complete
and
accurate
at
the
time
of
publication.
Nevertheless,
DTT
cannot
be
held
responsible
for
errors
or
omissions.
The
screen
snapshots
in
this
manual
may
have
older
version
labels
than
your
delivered
package
version.
Trademarks
and
Patents
Copyright
©
1997
‐
2009
Discovery
Telecom
Ltd.
All
rights
reserved.
The
reuse
or
reproduction
of
any
of
the
information,
design
or
layout
contained
in
this
manual
or
in
our
web
site
without
the
permission
of
DTT
Ltd.
is
prohibited.
All
trademarks,
patents
and
copyrights
apply.
Usage
Warnings
High
voltage
transients,
surges,
and
other
power
irregularities
can
cause
extensive
damage
to
your
device.
It
is
the
user's
responsibility
to
provide
a
power
protection
system.
It
is
the
user's
responsibility
to
install,
operate,
and
maintain
the
system
in
according
to
all
local
and
internationally
applicable
codes,
regulations,
and
safety
measures.
