1. Open Fax Voip FSP Control Panel.
2. Click VOIP in TreeView, then click Incoming Plan.
3. To change the preference order for Incoming VOIP Call Routing rules use Move Up and Move Down commands. One of the rules should be selected.
4. To remove one or more rules, select the rules, then click Delete.
5. Click <Apply> button to save modified settings for rules. All the changes are applied immediately.