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Item
Function
Mute — Use to mute and unmute the microphone during calls.
Speakerphone — Press to engage the speakerphone and to hang up after the call.
Dial pad — Use to dial a number, select a menu item, or input a value.
PROGRAMMABLE/FLEXIBLE KEY STATES
The flexible keys access lines, extensions and features based on the IP phone configuration. Flexible keys
assigned for line, extension or queue appearances will monitor the state of those resources and allow access
to those resources at anytime unless the call is engaged by another user or the system. Keys designated to
monitor lines, extensions or queues indicate call status as indicated below.
Status
Incoming call
Line in use on this phone
Call on hold at extension
Line/Extension/Queue ringing
Line/Extension/Queue in use
Line/Extension/Queue on hold
Extension/Line not registered
Do Not Disturb (DND) enabled
Flexible keys not assigned for line access may access features such as Speed dial, Intercom, Park and others.
LCD LAYOUT
The FortiFone-450i phone has a 240x42 dot graphic LCD arranged to show 3 lines of text and is used to
display information to the user. The bottom line shows choices associated with the three context-sensitive
softkeys located just below the LCD.
The FortiFone-550i phone has a 240x56 dot graphic LCD that shows 4 lines of text. The top-bar status line
displays icons, date and time. The bottom line shows choices associated with the three context-sensitive
softkeys located just below the LCD.
Below is a list of icons and their meaning (FortiFone-550i only).
LAN or Network connection icon, indicates the status of the LAN connection to the IP phone. If the
icon is blinking, check the LAN connection.
PC port icon, when displayed, indicates a device such as a PC is connected to the PC port of the
IP phone.
Bluetooth icon, indicates the optional Bluetooth module is properly installed with no headsets paired
to the phone. When blinking rapidly, the FortiFone-550i is searching or attempting to pair with
a headset.
F O R T I F O N E - 4 5 0 i A N D F O R T I F O N E - 5 5 0 i T E L E P H O N E U S E R G U I D E
LED Color
LED Pattern
Green
Flashing approx. once every 1/2 second
Green
On solid
Green
Flashing approx. once every second
Green
Flashing approx. once every 1/2 second
Red
On solid
Red
Flashing approx. once every second
Red/Yellow
Alternating Red and Yellow
Yellow
On solid
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Table of Contents
Troubleshooting
