4.1.1 Troubleshooting
The PC and fax machine communication failed.
I do not want to show my telephone number to the
calling or called party's telephone.
I want to show my telephone number to the
calling or called party's telephone.
I cannot send a call waiting tone to the dialled
extension.
I forgot the password.
The background music started suddenly.
I do not want to display a number which is stored
in memory.
I want to confirm my extension number.
The date and time are not correct.
The display is not shown well.
242
User Manual
Problem
Remedy
•
An indication tone may have interrupted
communication. (
Line against Notification Tones (Data Line
Security))
•
(
1.8.5 Preventing Your Telephone
Number Being Displayed on the Caller's
Telephone (Connected Line Identification
Restriction [COLR]), 1.8.6 Preventing Your
Number Being Displayed on the Called Party's
Telephone (Calling Line Identification
Restriction [CLIR]))
•
(
1.8.4 Displaying Your Telephone
Number on the Called Party and Caller's
Telephone (Calling/Connected Line
Identification Presentation [CLIP/COLP]),
1.15.3 Displaying Your Telephone Number on
the Called Party's Telephone)
•
The other party has not set the Call Waiting
feature.
(
Sending a Call Waiting Notification
(Call Waiting), 1.4.4 Answering Call Waiting,
1.8.3 Receiving Call Waiting (Call Waiting/
Off-hook Call Announcement [OHCA]/Whisper
OHCA))
•
The other party has set Data Line Security.
(
1.8.9 Protecting Your Line against
Notification Tones (Data Line Security))
•
Ask the manager to assist you.
(
2.1.1 Extension Control)
•
Turn off the music.
(
1.8.8 Turning on the Background Music
(BGM), 2.1.4 Turning on the External
Background Music (BGM))
•
Conceal the number.
(
Storing Names and Numbers,
3.1.3 Customising the Buttons)
•
(
Your Extension Number in 1.1.1 Before
Operating the Telephones)
•
Set the date and time by system
programming.
(
Date & Time [000] in 3.3.2 System
Programming)
•
Change the Display contrast level.
(
3.1.2 Settings on the Programming
Mode)
1.8.9 Protecting Your