What to talk to a girl over the phone who i had proposed once but she refused due to somepersonal problems..?

she is not actually a friend she's just close friends wih two of my close friends i have spoken to her once over the phone but i dont know what to talk to her and its been an year now she has moved out and now i even feel she i interested i still like her but dont know what to talk to her and now even i am moving to that place where she is..