Feature Keys
You can use ( SUPERKEY ) on your phone to program the persona keys as feature keys.
To program some features to a personal key, you must dial a feature access code. A list of access codes is provided elsewhere in this guide.
To display information about a key:
1.Press 
( SUPERKEY ).
2.Press a personal key that isn't a line key.
3.Press 
( SUPERKEY ).
To program a personal key:
1.Press 
( SUPERKEY ).
2.Press # or the No softkey until "Personal Keys?" appears.
3.Press * or the Yes softkey.
4.Press a personal key that isn't a line key.
5.Press * or the Change softkey.
6.Press # or the No softkey until the desired feature appears.
7.Press * or the Yes softkey.
8.On a 5212 IP Phone only, press # to save the feature under the chosen key.
9.Press 
( SUPERKEY ), or press another personal key and proceed to program another feature.
0. Write the feature name on the key label.