Samsung Note 8 auto answer\switch call waiting when headphone (wire) is connected

[Ran_Y]

my note 8 started (recently) to auto answer call waiting.
I checked the setting and the auto answer setting is disabled.
it still switch automaticly to the call waiting!
please help....

 

[marctronixx]

Does this happen whilst using a wired headset? Does it occur when NO headset is attached?

If not, it could be the headset and/or the 3.5mm jack could have dirt/debris in the hole and/or it could be developing a fault.