Great that you finally found someone loveable. But she dont love you back and shes not your girfriend. Girlfriend at least responds to calls. You said if she feels like than she can contact you. But shes dont - that means her feelings is diferent than yours.Its simple as that. Diference is you need her but cant contact her. She can contact you but dont need you. Thing is she wasnt ready for relationship already before she met you. You were ready and fell for it with all your heart cause nothing did hold you back. Now you are sad and alone. Next time try to create equal relationship with equal feelings from both sides with somone who is ready to.
Here is a bit explanation about your situation and why you should get on with other girls.
youtube.com/watch?v=KriZHsiiYPg
Take care and smile beacuse you deserve to !