Panasonic KX-NCP500 User Manual page 33

PT/PS
PT and
Off-hook. Press S-CO.
PT/SLT/PS /SIP Extn.
Off-hook.
Dial extension number or
enter 7 and then dial private phone number.
(S-CO)
Dial outside phone
number.
extension no.
OR
7 private phone no.
outside
phone no.
*
*
Talk.
Talk.