Panasonic KX-NS700 Operating Manual page 121

For an extension leaving a message waiting indication
To leave a message waiting indication
PT/SLT/PS
When the called extension is busy or does not answer
OR
4
Press MESSAGE
or enter 4.
To leave/cancel a message waiting indication
PT/SLT/PS/SIP Extn./KX-UT series PT and SLT
Off-hook.
Document Version 2014-11
C.Tone
On-hook.
1
7 0
OR
0
Enter Enter 1 to leave
70.
or 0 to cancel.
Leave
desired
extension no.
Cancel
Enter desired
extension number.
1.3.43 Message Waiting
C.Tone
On-hook.
Operating Manual 121