User guide

2.3.4 Extension
The list of extensions is used to display on the extension on the main screen display when the Monitor is
crossed for the extension as shown below.
The extension name is used in the reports and displays throughout TeleTellus pro as an alternative to the
extension number.
You can create your own departments for display on the main monitor via the Departments button at the
top left side of the screen. An extension can be a member of one or more departments.