Panasonic KX-TDA30 User Manual page 47

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.
(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.
1.2.4 When the Dialled Line is Busy or There is No Answer
5
B.Tone C.Tone
Enter 5.
1
R.B.Tone
Enter 1.
Monitoring starts
Talk.
User Manual 47