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VoIP/(802.11g) ADSL2+ (VPN) Firewall Router
Chapter 4: Configuration
Authentication Password: This parameter holds the password used for authentication within VoIP SIP
registrar.
Confirm Password: Re-enter the password for confirmation.
Display Name: This parameter will be appeared on the Caller ID.
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 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 reflecting on the phone while
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