If your guy doesn’t call you, he’s not interested in you. So you need to move on in your life and find a man who is interested in you, and who treats you well.
Don’t call your guy any more. If he wants you, he knows your number. And if you’re smart, you won’t go out with him again. After all, why would you want to waste your time with someone who thinks so little of you he won’t return your calls?