Globe Wireless iFusion i250, Руководство пользователя

Страница: 58 / 162

SWG-125 Rev. G
June 2013
Globe
i
Fusion
®
User Guide for
i
500,
i
250,
i
S Rev. G 3-22
Symptom Problem Corrective Action
to answer the call.
Service
Unavailable
appears on the
screen.
The user pressed the
New Call
soft key,
dialed a number with the
handset on-hook, or
attempted to make a call
from the contact
directory before
the
phone was registered.
Check with your system administrator to see when your
phone will be registered.
3.8.5 Displays
Symptom Problem Corrective Action
There is no display.
The display is incorrect.
The display has bad
contrast.
Power is not correctly
applied to the phone. Do one of the following:
Check that the screen is illuminated.
Ensure the LAN cable is inserted properly
at the back of the phone by unplugging and
re-inserting the cable.
If using Power over Ethernet (PoE), have
your system administrator check that the
switch is supplying power to the phone.
The contrast needs
adjustment. Do one of the following:
Restart the phone to obtain a default level
of contrast.
Outbound or inbound
calling is unsuccessful. Do one of the following:
Place a call to the phone under
investigation. Check that the screen
indicates incoming call information.
Lift the handset. Ensure the dial tone is
present and place a call to another
extension or number. Check that the
screen changes in response.
The display flickers. A certain type of older
fluorescent lighting Do one of the following: