Why did you mark your own reply as a solution?
Does this mean that the issue has been resolved since you originally posted?
If not then...
When was everything working ok last?
What happens when you try to make a call?
Any error messages?
What happens at the other end if someone tries to call you?
Any error messages?
Are incoming/outgoing texts and mobile data working ok?
Do you have an active membership plan?
If you need to contact 48 support about this then see the links in my signature below.
