Aastra 9143i Series Administrator's Manual page 457

Configuring Softkeys and Programmable Keys
Use the following procedures to configure 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 sections,
"Softkey/Programmable Key/Feature Key/Expansion Module Key Parameters"
41-001160-03 Rev 00, Release 2.5
Configuring Operational Features
Operational Features
on page A-216.
5-153