How to Solve WhatsApp Call Unavailable Problem iPhone

Many WhatsApp users are complaining that when they try to call a person, they face this problem on WhatsApp (WhatsApp Call Unavailable) and WhatsApp does not call, and when they call someone else the call goes away but this problem is coming with a particular number so in today’s video I am going to tell you how you can solve this problem. Usually this problem occurs when you have been blocked, i.e. you have been blocked by the owner of the number you are calling which is causing this problem.