A. 1. Check Call Settings: Go to Settings > Phone and ensure that 'Silence Unknown Callers' is turned off, as this may interfere with app playback during calls. 2. Use Do Not Disturb: Enable Do Not Disturb mode during playback to prevent interruptions from calls. Go to Settings > Do Not Disturb and toggle it on.

B. 3. Update the App: Make sure you are using the latest version of One Converter, as updates may fix playback issues.