Aastra Telecom 55i IP Phone - Manual (Page 37)

Model 55i IP Phone User Guide 31
Softkeys and Programmable Keys
2. For softkeys, select from "Key 1" through "Key 20".
or
For programmable keys, select from "Key 1" through "Key 6".
3. In the "Type" field, select Line to apply to the softkey or programmable
key.
4. In the "Label" field, enter a label to apply to this softkey.
5. In the "Line" field, select a line to apply to this softkey.
Valid values are 5 through 9.
6. If configuring a softkey, in the state fields, check (enable) or uncheck
(disable) the states you want to apply to this softkey.
7. Click to save your changes.
8. Click on Operation->Reset.
9. In the "Restart Phone" field click to restart the IP phone.