Fortinet FortiFone Quick Start Manual page 6

Item Function
Softkeys — softkeys change function based on the state of
the phone.
Flexible keys — multi-colored LED keys that can be assigned to
engage and monitor lines, extensions or queues. They can also
be programmed as function and speed dial keys. Keys 1 and 2
are reserved for primary and secondary line appearance for the
extension. Keys 3–12 or 24 (for the FON-450i/460i or
FON-550i/560i, respectively) are programmable.
Navigation buttons and OK button
Left — view previous menu when return arrow appears in the
LCD menu. Press to go back to previous menus while in the
Configuration menu.
Right — see additional menu items when appears in the
LCD menu.
Up — view Call Log when phone is idle.
Down — access Phone Book while phone is idle.
OK— center button. Select current item or save value in the
Configuration menu.
Configuration — access the Configuration menu.
Voicemail — access voicemail status and messages.
DND — toggle do not disturb on and off.
Headset — toggle the headset on and off-hook.
Volume control — adjust ring, headset, handset, and speaker
volume.
Transfer — transfer a call.
Hold/Retrieve — place or retrieve a call on hold.
Mute — mute and unmute the microphone during calls.
Speakerphone — engage the speakerphone and hang up after
the call.
Introduction 3 FortiFone™ QuickStart Guide