Panasonic KX-NCP500 User Manual page 42

PT/SLT/PS
While hearing a callback ringing
phone no.
Off-hook.
Dial outside phone
number.
PT/SLT/PS
Off-hook.
PT/SLT/PS
While hearing a busy tone
6
C.Tone
Enter 6.
outside
4 6
C.Tone
Enter 46.
On-hook.
Talk.
On-hook.