Problem Remedy
I do not want to show my telephone number to
the calling or called party’s telephone.
• ( 1.9.5 Preventing Your Telephone Number
Being Displayed on the Caller’s Telephone
(Connected Line Identification Restriction
[COLR]), 1.9.6 Preventing Your Number Being
Displayed on the Called Party’s Telephone
(Calling Line Identification Restriction [CLIR]))
I want to show my telephone number to the
calling or called party’s telephone.
• ( 1.9.4 Displaying Your Telephone Number
on the Called Party and Caller’s Telephone
(Calling/Connected Line Identification
Presentation [CLIP/COLP]).
I cannot send a call waiting tone to the dialled
extension.
• The other party has not set the Call Waiting
feature.
(
Sending a Call Waiting Notification
(Call Waiting), 1.4.4 Answering Call Waiting,
1.9.3 Receiving Call Waiting (Call Waiting/Off-
hook Call Announcement [OHCA]/Whisper
OHCA))
• The other party has set Data Line Security.
( 1.9.9 Protecting Your Line against
Notification Tones (Data Line Security))
I forgot the password.
• Ask the manager to assist you.
( 2.1.1 Extension Control)
The background music started suddenly.
• Turn off the music.
( 1.9.8 Turning on the Background Music
(BGM), 2.1.4 Turning on the External
Background Music (BGM))
I do not want to display a number which is
stored in memory.
• Conceal the number.
( Storing Names and Numbers,
3.1.3 Customising the Buttons)
I want to confirm my extension number.
• ( Your Extension Number in 1.1.5 Before
Operating the Telephones)
The date and time are not correct.
• Set the date and time by system
programming.
Consult your dealer.
The visibility of the display is poor.
• Change the Display contrast level.
( 3.1.2 Settings on the Programming
Mode)
I want to specify the ringing tones.
• ( To specify the ringing tones for each CO,
ICD Group, PDN, SDN, or INTERCOM button
(DPT/IP-PT only), 3.1.3 Customising the
Buttons)
The MESSAGE button light has lit up.
• Another extension left you a message
waiting indication or someone left a
message in your mailbox while you were on
the phone or away from your desk.
5.2.1 Troubleshooting
344 Operating Manual