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General Settings
This section reflects and contains basic settings for the VoIP module from selected
provider in the Wizard section. Fail to provide correct information will halt making calls out
to the Internet.
SIP Device Parameters
To use SIP as VoIP call signaling protocol.
SIP:
Silence Suppression (VAD): Voice Activation Detection 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
reflecting on the phone while you talk. Default is set to Enable.
Provide the based value from the media (RTP) ports that are assigned for various
RTP Port:
endpoints and the different call sessions that may exist within an end-point. (Range from 5100 to
65535, default value is 5100)
This selection is a drop-down box, which allows user to select the country for which the
Region:
VoIP device must work. When a country is selected, the country parameters are automatically
loaded.
Chapter 4: Configuration
VoIP/(802.11g) ADSL2+ VPN Firewall Router
Default is set to Disable.
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