Select an extension for the Page Group from the Extension list. The Extension list displays the next five available extensions for Call Groups. You can enter a different valid extension by selecting Other from the Extension list and typing the extension of your choice.
In the Membership section, add members to this Call Group. To add members, drag-and-drop them from the Available to the Selected list, use the + button, or click Add all. To remove members, use the - button or click Remove all.