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SIP Device Parameters
This section provides easy setup for your VoIP service. Phone port 1 and 2 can be registered to
different SIP Service Provider.
SIP Device Parameters
SIP: To use VoIP SIP as VoIP call signaling protocol. Default is set to Disable.
Silence Suppression (VAD): Voice Activation Detection (VAD) prevents transmitting the nature
silence to consume the 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. Default is
set to Enable.
Echo Cancellation: G.168 echo canceller is an ITU-T standard. It is used for isolating the echo
while you are on the phone. This helps you not to hear much of your own voice reecting on the
phone while you talk. Default is set to Enable.
RTP Port: Provide the based value from the media (RTP) ports that are assigned for 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, DSCP Marking: Differentiated Services Code Point (DSCP), it is the rst 6 bits in
the ToS byte. DSCP Marking allows users to assign specic application trafc to be executed in
priority by the next Router based on the DSCP value. See Table 4. The DSCP Mapping Table:
Note: To be sure the router(s) in the backbones network have the capability in executing and
checking the DSCP through-out the QoS network.
