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