Panasonic KX-TD500 - PDN Call

Station Features and Operation (PT/SLT)
User Manual 347
4.3.60 PDN Call
If an SDN button (which corresponds with the PDN of another extension) is assigned on your
PT, you can call that extension with a simple operation.
Making a PDN call
PT
The SDN indicator light turns green.
Lift the handset or
press
SP-PHONE/MONITOR.
Press an idle SDN
(flexible button).
(SDN)(SDN)
Press the same
SDN again.
Talk.Dial tone. Hang up or press
SP-PHONE/MONITOR.