Softkeys
2.Click on the Bottom tab or the Top tab.
3.Select from "Key 1" through "Key 20" on the bottom tab. or
Select from "Key 1" through "Key 10" on the top tab.
4.In the "Type" field, select Intercom.
5.In the "Label" field, enter a label to apply to this softkey.
6.If configuring a softkey on the Bottom Keys, in the state fields, check (enable) or uncheck (disable) the states you want to apply to this softkey.
7.Click  to save your changes.
 to save your changes.
8.Click on Operation->Reset. 
9.In the "Restart Phone" field click  to restart the IP phone.
 to restart the IP phone.
62Model 57i IP Phone User Guide
