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Chapter 5
Telephony
Phone Number: The number you use to dial and answer.
Registrar Address: Usually a domain name, if not, an IP address.
Authentication ID and Password: Not necessary information, but if you have, fill them
in.
Advanced: Click to have more configuration.
To have more configuration on telephony settings
Click Advanced under Advanced Settings to configure more telephony settings.
Bound Interface: Bound Interface decides where to send/receive the VoIP traffic. An
easy way to select the interface is to check the location of the SIP server. If it locates
somewhere on the Internet then select Any_WAN. If it is on the local network, select
LAN.
Locale Selection: Select a country where you are located. The Modem Router is
embedded with some default parameters according to different countries such as ring
tones. The default country is Germany.
DSCP for SIP/RTP: DSCP (Differentiated Services Code Point) is the first 6 bits in the ToS
byte. DSCP marking allows users to assign specific application traffic to be executed in
priority by the next Router based on the DSCP value. Select DSCP for the SIP (Session