Aastra Telecom 55i IP Phone - Manual (Page 44)

38 Model 55i IP Phone User Guide
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 Do Not Disturb to apply to the softkey.
4. 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.
5. Click to save your changes.
6. Click on Operation->Reset.
7. In the "Restart Phone" field click
to restart the IP phone.