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Billion 800VGT Router
SIP
Device Parameters
SIP:
Select
whether
you
wish
to
use
SIP
as
VoIP
call
signaling
protocol.
The
default
setting
is
Disable.
Silence
Suppression
(VAD):
Voice
Activation
Detection
(VAD)
prevents
the
transmission
of
silence
since
it
will
unnecessarily
consume
your
bandwidth.
This
function
is
also
known
as
Silence
Suppression,
and
it
is
a
software
application
that
ensures
the
bandwidth
is
used
only
when
voice
activity
is
activated.
The
default
setting
is
Enable.
Echo
Cancellation:
G.168
echo
cancellation
is
an
ITU-T
standard.
It
is
used
for
removing
the
echo
while
you
are
on
the
phone.
If
it
is
enabled,
this
will
mean
that
you
will
not
hear
too
much
of
your
own
voice
on
the
phone
while
you
talk.
The
default
setting
is
Enable.
RTP
Port:
Provide
the
base
value
for
the
media
(RTP)
ports.
These
ports
are
assigned
to
various
endpoints
and
the
different
call
sessions
that
may
exist
within
an
end-point.
(Range
from
5100
to
65535,
default
value
is
5100)
Region:
This
selection
is
a
drop-down
box,
which
allows
user
to
select
the
country
for
which
the
VoIP
device
must
work.
When
a
country
is
selected,
the
country
parameters
are
automatically
loaded.
Voice
QoS,
:
Differentiated
Services
Code
Point
(DSCP),
it
is
the
first
6
bits
in
the
ToS
byte.
DSCP
Marking
allows
users
to
assign
specific
application
traffic
to
be
executed
in
priority
by
backbone
Routers,
based
on
the
DSCP
value.
See
Table
4.
The
DSCP
Mapping
Table:
Note:
To
be
sure
that
all
the
router(s)
through-out
the
QoS
network
backbone
have
the
capability
of
executing
and
checking
the
DSCP..
Setting for Phone Port 1
Registrar
Address(or
Hostname):
Indicate
the
SIP
registrar
IP
address.
Registrar
Port:
Specify
the
port
on
which
the
SIP
registrar
listens
for
register
requests
from
VoIP
devices.
Expire:
Expiry
time
for
registration
message
sending.
User
Domain/Realm:
Set
a
different
domain
name
for
the
SIP
proxy
server.
Outbound
Proxy
Address:
Indicate
the
SIP
outbound
proxy
server
IP
address.
This
parameter
is
very
useful
when
your
VoIP
device
is
behind
NAT.
Outbound
Proxy
Port:
Specify
the
port
on
which
the
VoIP
SIP
outbound
proxy
will
listen
for
messages.
Setting for Phone Port 2
Please
refer
to
the
descriptions
in
“Setting
for
Phone
Port
1”.
How to register
with a
SIP
Server
1)
On
the
Wizard
Section
page,
select
your
VoIP
Service
Provider
and
provide
information
in
the
following
fields:
Phone
Number,
Authentication
Username
and
Authentication
Password.
2)
On
the
Wizard
Section
page,
click
Apply
to
apply
the
settings.
3)
On
the
General
Settings
page,
make
sure
the
general
VoIP
SIP
information
is
correctly
inserted.
4)
On
the
General
Settings
page,
click
Apply
to
apply
the
settings.
5)
On
the
General
Settings
page,
click
Synch Now
to
register
the
account(s)
with
your
VoIP
server.
102
Chapter
4:
Configuration