Aastra Telecom 55i IP Phone - Manual (Page 83)

Model 55i IP Phone User Guide 77
Softkeys and Programmable Keys
3. In the "Type" field, select none.
4. Click
to save your changes.
5. Click on Operation->Reset.
6. In the "Restart Phone" field click to restart the IP phone.
The softkey function is deleted from the IP phone memory.