Panasonic KX-TDA30 User Manual page 42

1.2 Making Calls
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.
42 User Manual
(DSS)
OR
(PDN)
OR
(SDN)
OR
extension no.
Press red DSS, PDN, or SDN,
or dial extension number.
extension no.
DND Tone
Dial extension
number.
5
B.Tone C.Tone
Enter 5.
1
R.B.Tone
Enter 1.
Monitoring starts
Talk.