Line Keys and Programmable Keys
Phone Lock Key
You can configure a programmable key on the phone to use as a lock/unlock key. You assign the function of the key as “Phone Lock”.
Use the following procedure to configure a programmable key as a lock/unlock key in the Aastra Web UI.
Configuring a Phone Lock Key
Aastra Web UI
1.Click on
Click on
2.Select from "Key 3" through "Key 6".
3.In the "Type" field, select Phone Lock from the list of options.
4.Click to save your changes.
Note: You can lock/unlock the phone using the new key you just configured, using the Aastra Web UI at the path
74Model 53i IP Phone User Guide