Panasonic KX-TD500 - One-Touch Dialing

DSS Console Features
User Manual 531
5.2.23 One-Touch Dialing
The stored number is dialed automatically by pressing a programmed DSS or PF button.
PT and DSS Console
Lift the handset or press
SP-PHONE/NOMITOR.
Press the desired
DSS or PF button.
[DSS Console]
or
[Paired telephone]
(DSS) (PF)