From the navigation tree, double-click Security.
In the Security tree, double-click 802.1X/EAP.
In the work area, click the EAP VoIP Vlan tab.
In the table, double-click the cell under the column header you want to edit.
Select a parameter or value from the drop-down list.
You can repeat the previous two steps until you have amended all of the parameters you want to change.
On the toolbar, click Apply.