Aastra Telecom SIP 57I - Manual (Page 321)

Operational Features
41-001160-00, Release 2.1, Rev 04 5-111
Configuring Operational Features
Operational IP Phone Features Configuring Handset Feature Keys
You can program up to 15 feature keys on the 57i CT IP phone using the
configuration files or the Aastra Web UI. Use the following procedure to program
the feature keys on your 57i CT Base Station and all paired handsets.
Use the following procedures to configure the IP phone handset feature keys.
Configuration Files
For specific parameters you can set in the configuration files, see Appendix A, the section,
“Handset Feature Key Settings for the 57i CT” on page A-156.