Aastra Telecom SISIP 57I CT - Manual (Page 164)

Operational Features
5-36 41-001160-00, Rev 01 Release 2.0
IP Phone Administrator Guide
Operational IP Phone Features
Locking the IP Phone Keys
Use the following procedures to lock the softkeys and programmable keys on the
IP phone.
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-131.