Aastra Telecom SIP 57I - Manual (Page 239)

Operational Features
41-001160-00, Release 2.1, Rev 04 5-29
Configuring Operational Features
Operational IP Phone Features
Locking the IP Phone Keys
Use the following procedures to lock the softkeys and programmable keys on the
IP phone.
Reference
For more information about locking/unlocking the phones using the Phone UI and
Aastra Web UI, see your applicable phone-specific User Guide.
Note: The 53i IP phone prevents users from setting a speed dial key via
the Phone UI on a key that has been locked.
Configuration Files
For specific parameters you can set in the configuration files, see Appendix A, the section,
“Locking Softkeys and Programmable Keys” on page A-163.