Panasonic KX-NCP500 User Manual page 45

PT/SLT/PS/SIP Extn.
Press MESSAGE or enter
Off-hook.
PT/SLT/PS/SIP Extn.
Off-hook. Enter
MESSAGE
OR
7 0
70 and then 2.
7 0
0
70. Enter 0.
2
Talk.
your
extension no.
Dial your
extension number.
C.Tone
On-hook.