Panasonic KX-NS1000 - 2.3.3 Do Not Disturb (DND)

KX-UT133/KX-UT136/KX-UT248/KX-UT670/S-PS
During a conversation
Off-hook.
On-hook. Talk to the
original party.
Press the flashing DN or S-CO.
OR
(S-CO)
(DN)
PT/SLT/PS
During a conversation
Off-hook.
On-hook.
Talk to the
original party.
Enter 50.
0
5
C.Tone
2.2 To hold the second call and then talk to the original party
After holding it, you can talk to the original party. Then, you can disconnect it and then talk to the new party
again.
1.4.4 Answering Call Waiting
76 Operating Manual