2 8
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
STUN Server
When the phone is located behind NAT and a STUN server is required, enter a STUN server IP address or
FQDN to enable this feature that helps traverse firewalls in limited conditions.
•
To assign a STUN server:
•
Press the
button, then select
2. SIP Configuration
, then
12. Stun Server
.
•
Input the Stun Server using the dial pad and press the
OK
softkey
to save your entry.
PHONE SETTINGS
Under the
Phone Settings
menu item, the user parameters listed below can be changed.
— LCD Contrast
— Ring Settings
— Disable Ringer
— Headset Auto Mode
— Programmable/Flexible Key Settings
— Time Configuration
— Firmware Update
— Speed Dial Number
— Key Tone
— Language
— Backlight
—
Bluetooth
(Optional on FortiFone-550i only)
LCD Contrast
The contrast of the LCD is adjustable for best viewing angle.
To adjust the LCD contrast:
•
Press the
button, select
3. Phone Settings
then
1. LCD Contrast
.
•
Press the
Down
softkey to decrease the contrast, or press the
Up
softkey to increase the contrast.
•
To configure another parameter, press the
Back
softkey to continue
or press the
button to exit the configuration menu.
Ring Settings
The IP phone has 9 ring tones and a no ring (
Disable Ringer
) option for incoming call notification. There is
also the option to assign each phone book record one of the ring tones for inbound calls. The
Default Ring
Tone
is used when a ring tone is
Set as Default
or not defined for a line or phone book record.
In quieter environments, it might be useful to delay the ring signal on incoming calls. Ringing can be
delayed by up to 10 seconds. The LED light associated to your extension will flash immediately for all
incoming calls.
To enter alphanumeric characters, select the
Mode
softkey.
FortiFone-550i screen
FortiFone-550i screen
