Appendix A: Product Support and Contact Information 113General SettingsThis section reflects and contains basic settings for the VoIP module from selectedprovider in the Wizard section. Fail to provide correct information will halt making calls outto the Internet.SIP Device ParametersSIP: To use SIP as VoIP call signaling protocol. Default is set to Disable.Silence Suppression (VAD): Voice Activation Detection prevents transmitting the naturesilence to consume the bandwidth. It is also known as Silence Suppression which is asoftware application that ensures the bandwidth is reserved only when voice activity isactivated. Default is set to Enable.Echo Cancellation: G.168 echo canceller is an ITU-T standard. It is used for isolating theecho while you are on the phone. This helps you not to hear much of your own voicereflecting 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 variousendpoints and the different call sessions that may exist within an end-point. (Range from 5100 to65535, default value is 5100)Region: This selection is a drop-down box, which allows user to select the country for which theVoIP device must work. When a country is selected, the country parameters are automaticallyloaded.
