• None: All incoming VoIP calls will be denied.
• Phone 1/Phone 2: The incoming call will be routed to either Phone1 or Phone 2
randomly.
• All: The incoming call will be routed to both Phone1 and Phone 2 synchronously.
• Phone 1 Preferred/Phone 2 Preferred: The incoming call is preferred to be routed to
Phone 1 or Phone 2. If the preferred phone is busy, the call will be routed to the other
phone.
M WI: MWI is short for Message Waiting Indicator. Enable this option, so there will be
indications when voice message are received.
SIP Proxy: Enter the SIP proxy if it’s provided, or keep the default value.
SIP Proxy Port: Enter the SIP proxy port if it’s provided, or keep the default value.
Outbound Proxy: Indicate the VoIP SIP outbound proxy server IP address. This parameter
is very useful when VoIP device is behind a NAT, say the Modem Router you use connects
to Internet by other device. Keep the default if it’s not provided by your service provider.
Outbound Proxy Port: Specify the port of the VoIP SIP outbound proxy on which it will
listen for messages. Keep the default value if it’s not provided by your service provider.
Preferred Codec (1~4): Codec is known as Coder-Decoder which is used for data signal
conversion. Each codec uses a different bandwidth and hence provides different levels of
voice quality. The default codec settings are shown in the corresponding field for your
reference. Preferred Codec1 owns the top priority. You can change the value if you are
provided with this parameter; otherwise leave it default.
4.10.2 Dial Plan
Choose “Voice ”
“Dial Plan List”, you will see the screen similar to Figure 4-58.
Dial Plan List function allows users to define rules to control outgoing calls. Each rule requires
prefix number, destination, Max length and operation (Strip Prefix/Replace Prefix/Add Number).
Prefix number is the key to decide which rule takes effect. If actual numbers dialed match prefix
number defined in the dial plan, the dialed number will be operated and routed to the specified
network according to this plan. Besides, operation of stripping prefix, replacing prefix or adding
prefix, is helpful for users to make a quick and easy call.
Figure 4-58
Prefix: Displays the prefix of your plan. This prefix refers to the initial digit(s) of the numbers
you dial.
Op: Displays the operation of this plan.
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