Panasonic KX-NS1000 Operating Manual page 42

1.3.6 Call Hold
SLT
During a conversation
Press Recall/
hookswitch.
SIP Extn.
During a conversation
OR
HOLD
Press HOLD.
42 Operating Manual
5 0
C.Tone
Enter 50.
On-hook.
On-hook.
Document Version 2013-04