1

My bold beast pro on my Samsung Note 20 ultra 5G stops recording my calls at about two and a half minutes.
Bold beast pro version is 14.9 GP

2

Most likely your phone killed the app.
Some phones kill apps when they think they should do so, for example when the battery is low. For more information please see [002] in this page http://www.boldbeast.com/android/call_r … oting.html.