Disable the ringer on your home phone for a limited time.
Turn Do Not Disturb on and off
When you turn on Do Not Disturb, callers will hear a busy signal or get a message stating, "The party you called is not currently accepting calls. Please try again later."
From your phone
Dial *78# on your home phone to turn on Do Not Disturb
Dial *79# to turn off Do Not Disturb when you’re ready to receive calls.