Technical Reference
OPEN824RL / RLW ADSL / VoIP Routers
75
The following table lists the
SIP Device Parameters
fields and their definitions:
Field Definition
SIP
Use SIP as VoIP call-signalling protocol. The default setting is
Disable.
Silence Suppression (VAD)
Voice Activation Detection prevents transmitting natural silence to consume bandwidth.
It is also known as Silence Suppression, which is a software application that ensures
the bandwidth is reserved only when voice activity is activated. By default this is set to
Enable.
Echo Cancellation
G.168 echo canceller is an ITU-T standard. It is used for isolating and eliminating echo
while you are on the phone. By default this is set to
Enable.
RTP Port
This provides the base value from the media (RTP) ports that are assigned for various
endpoints and the different call sessions that may exist within an end-point. (This
ranges from 5100 to 65535, and the default value is
5100.)
Region
Select the country for which the VoIP device must work from the drop-down box.
When a country is selected, the country parameters are automatically loaded.
Voice QoS, DSCP Marking
Differentiated Services Code Point (DSCP), it is the first 6 bits in the ToS byte. The
DSCP Marking allows users to classify traffic based on the DSCP value and send
packets to the next router.
Registrar Address(or Hostname)
The SIP registrar IP address.
Registrar Port
Specifies the port of the SIP registrar on which it will listen for register requests from
the VoIP device.
Expire
Expiry time for the registration message sending.
User Domain/Realm
Sets different domain names for the SIP proxy server.
Outbound Proxy Address
This displays the SIP outbound proxy server IP address. This parameter is very useful
when a VoIP device is behind a NAT.
Outbound Proxy Port
This specifies the port of the SIP outbound proxy on which it listens for messages.
How To Register To The SIP Server
step 1
In
the
General Settings
area, make sure the general SIP information is correctly entered.
step 2
In
the
General Settings
area, click the
Apply
button to apply the settings.
step 3
In
the
Wizard
section, select your SIP Service Provider and enter the appropriate information in
the
Phone Number, Authentication Username
and
Authentication Password
fields
.
step 4
In
the
Wizard
section, click the
Apply
button to apply the settings.
step 5
In
the
General Settings
area, click the
Sync Now
button to register the account(s) with your SIP
server.