Preventing Your Number Being Displayed On The Called Party's Telephone (Connected Line Identification Restriction [Colr]) - Panasonic KX-TD500 User Manual

2.7.7 Preventing Your Number Being Displayed on the Called
Party's Telephone (Connected Line Identification
Restriction [COLR])
When receiving a call, you can prevent the caller from seeing your identification number.
This is one of the ISDN supplementary services.
To set / cancel
PT / SLT
Off-hook.
Operation
5 8
Dial 58.
2.7 Setting the Telephone According to Your Needs
2
Set
OR
0
Cancel
C.Tone
Dial 2 to set
or 0 to cancel.
On-hook.
119