Version 1.0
September 2014
Page | 122
Screen
Problem
Possible Solutions
Nothing is displayed on the LCD
screen while using the phone.
Check that the phone cables are properly connected
to the ports. (Please refer to the section on
‘Phone
Installation
’ under ‘Preparations’ in this user manual.)
General
Problem
Possible Solutions
No ringtone is heard or the
ringtone is too soft.
Press the
[Volume]
button to turn up the ringtone
volume. (Please refer to the
‘Volume Control’ section
under
‘Basic Functions’ in this user manual.)
The voice is unclear due to
interference or crossed lines.
If you are using the speaker, try using the handset.
There is too much echo when
using the speaker phone
feature.
When you broadcast, the speaker sound may echo.
Maintain a distance of 1m from the phone.
Caller ID does not appear on
the LCD screen.
- Ask the service provider whether the caller ID
service is activated.
- Caller ID will not appear on the screen if the caller
has requested the telecommunication service
provider to hide their number.
- If the user is calling from an area where the caller ID
service is not available (e.g. international calls),
caller ID will not appear on the screen.
- If the user calls from a payphone, caller ID will not
appear on the screen.
- If the caller information received from the service
provider is invalid, caller ID will not appear on the
screen.
- If the service provider does not send caller
information, caller ID will not appear on the screen.
Main Menu cannot be accessed
from the Call Forwarding or
DND screen.
Put the UC dial in the center position to use the
menu.
