1.9.5 Preventing Your Telephone Number Being Displayed on the
Caller’s Telephone (Connected Line Identification Restriction
[COLR])
When receiving an outside call, you can select whether the caller can see your telephone number or not.
To show/prevent
• You can change the mode by pressing a preset COLR button while on
-hook (There is no
COLR button on KX-UT series SIP phones).
The COLR button light shows the current status as follows:
Off: shows your telephone number.
Red on: prevents your telephone number being displayed.
• Availability of this feature depends on the ISDN service of your telephone company.
Customising Your Phone
• 3.1.3 Customising the Buttons
Create or edit a Connected Line Identification Restriction
(COLR) button.
User Manual 205
1.9.5 Preventing Your Telephone Number Being Displayed on the Caller’s Telephone (Connected Line Identification
Restriction [COLR])