Panasonic KX-TDA15 User Manual page 43

Monitoring Another Extension (Call Monitor)
The preprogrammed extension can monitor another extension.
To monitor
PT/SLT/PS
Off-hook.
To an Extension Refusing the Call (DND Override)
The preprogrammed extension can call someone who has set the DND feature.
PT/SLT/PS
Off-hook.
extension no.
B.Tone
Dial extension
number .
extension no.
DND Tone
Dial extension
number .
5
Monitoring starts
C.Tone
Enter 5 .
1
R.B.Tone
Enter 1 .
1.2 Making Calls
Talk.
User Manual 43