I'm sure I used to do it on my old S6, but can't see how on the 20+?
I'm not sure that's available in the native phone app but it maybe worth having a look in your bixby settings.
Or there might be an app that helps with this @Paul_Iddon
Daily Driver > Samsung Galaxy s²³ Ultra 512Gb in Phantom Black.
The advice I offer is my own and does not represent Samsung’s position.
I'm here to help. " This is the way. "