Billion Electric Company VGP User Manual

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VoIP/(802.11g) ADSL2+ Router 
 
Chapter 4: Configuration 
 
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 
SIP: 
To use SIP as VoIP call signaling protocol. 
Default is set to Disable. 
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. 
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.
 
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