D-Link DVX-2002F User Manual page 33

To be able to make calls on your FXO interface you will first need to create a trunk(s). To create a
trunk you need to navigate to web menu
Click "New FXO/GSM Trunk" button and you'll see the available port numbers that can be used.
Description: A name for this FXO trunk.
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Lines: Available FXO and GSM ports.
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Prefix: The prefix number you enter here will be added in front of any number you dial via

this trunk. This feature is seldom required so please leave this field blank.
Call Method: If in this trunk you have more than 1 FXO/GSM ports selected, then this

parameter defines how to use these ports for outbound phone calls.
Busy Detection: Enable busy tone detection, it is also possible to specify how many busy

tones to wait for before hanging up.
Busy Count: Specify how many busy tones to wait for before hanging up, configurable only if
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Busy Detection is enabled.
Input Volume: The volume of the incoming calls from FXO channel/channels.
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Output Volume: The volume of the outgoing calls from FXO channel/channels.
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Busy Pattern: If busydetection is enabled, it is also possible to specify the cadence of your

busy signal.
Language: You can choose adesired language of the system voice prompts to play to the

incoming calls from this trunk. For example, if the call is not answered or the user is busy the
Basic->Trunks->FXO/GSM
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DVX IPPBX
Trunks.