Aastra 9480i User Manual page 117

Softkeys
2. Select from "Key 1" through "Key 20".
3. In the "Type" field, select Speed Dial/Conf.
4. In the "Value" field, enter the speed dial extension or the extension to add to the conference
(for example, "5551212").
5. In the "Line" field, select the line for which you want to use the key functionality.
6. Click Save Settings.
Model 9480i IP Phone User Guide 111