Yealink SIP-T56A User Manual page 146

Smart Media Phone
User Guide for SIP-T56A
Assigning Functionality to a Line Key
To assign functionality to a line key via phone user interface:
Do one of the following:
1.
Tap
-
Drag up and down to scroll through the line key list if required.
-
Drag the line key to the Edit field.
Tap
-
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on the home screen, when there is no line key configured on your phone.
on the bottom-left of the line key list.