My Samsung Galaxy S5 can't make or receive calls, how can I fix this?

[diamond74]

my Samsung galaxy s5 cant make or receive calls

I bought a Samsung galaxy s5 but it wont make or receive calls, it may have been on contract is it blocked?

 

[belodion]

Re: my Samsung galaxy s5 cant make or receive calls

Welcome.

Quite possibly. Ask your carrier to check it.