I also bought a Z Flip 3 directly from Samsung this time (I usually get my devices through Rogers but this time I wanted to have an unsubsidized device), and it too worked out of the box (VoLTE, Wi-Fi Calling, 5G [after switching to a Infinite Plan).
There USED to be Android apps that answered between the first & second ring (after the CallerID was transmitted) and actually pick up and hang up the call to prevent the caller leaving voicemail. Most times, you would not be able to tell you had a s...
Another possible work-around is to let your voicemail box fill up. I only have storage for 5 saved voicemails on my plan/account and after those 5 are saved, no one can leave any more. To enable voicemail, just delete one or more saved messages. T...