Earlier this week I got myself a Samsung S21 Ultra, via AT&T. The service is great to almost everything except mobile calls to Canadian cell phones.
When I call someone's cell phone the initial call sound triggers but then is followed by dead silence. The person on the other line can supposedly hear me but I cannot hear them, I don't even hear ringing when it's calling.
I've called tech from both ATT and Samsung, neither of whom could solve my issue. Supposedly this is a Samsung thing because I put my sim card in multiple iPhones and my calls went through.
I was wondering if someone has experienced this same thing and if they have solved it, what the solution is. Please help! Otherwise I'm planning on returning this phone.
I love Samsung but it has failed me this day.
P.S. my calls to Canadian landlines work fine. Just to Canadian cell phone it doesnt.
Thanks in advance!