iPad Set volume during a call to 0%

[Btakeshi]

hello, It is possible to set the volume during a call to 0% ?

 

[AutomaticApple]

hello, It is possible to set the volume during a call to 0% ?

What kind of call? A video call? ?

 

[muzzy996]

And what volume specifically, presumably microphone but please provide specifics such as what application is being used and if any external hardware (Bluetooth or otherwise) is being used.