User guide
Page 4
Feature Keys for the BT 8568 and 8528 systemphones: Provide quick access to commonly
used features.
Key Feature
Up
Down
Volume control for the ringer, handset, and speaker.
Adjust ringer volume while telephone is ringing.
Adjust handset or speaker volume while using handset or speaker.
Hands-free
Activates Hands-free mode (speakerphone).
Mute
Press to temporarily turn off microphone during a call.
Directory
Activates the Personal and System Directories.
Programme
Cancel
Programmes features when telephone is Idle.
Cancel key when handset lifted.
Left/backspace when entering dial pad text.
Redial
Calls the last external number dialled. Cannot redial internal
numbers.
Hold
Places the current external call on hold. Cannot put internal calls
on hold.
Transfer
Transfers the current call.
Message
Connects to voice mailbox and lights to indicate message
waiting.
Dial pad: Use the dial pad keys to dial telephone numbers, enter feature codes, and enter
characters when using features that require text input.
Programmable Keys: Fourteen of the sixteen keys on the lower half of the telephone are
programmable. (The top two of the sixteen are Navigation Keys. See above.) In default the
fourteen programmable keys are programmed as lines 1 to 14. All fourteen programmable
keys can be programmed with features. See Using Programmable keys on Page
57.
External Speaker: Provides audio for hands-free calls and background music.