Andrew , the first is alway's the hardest . Both of you are the most nervous , but just to have done it is a very big plus . She could have been at work or on a Bus . Sometimes I talk to my Wife , it's seems the same way ... with many People in the background . You two have to set a better time aside to call it seems , when she will be at home or during a Lunch break . That works for me the best . About her speaking chinese or english , hey .. it sometimes does not matter at all , just want to hear her voice and that is so comforting beyond believe .
Both of you will have a easier time in the coming phone calls , I'm sure of that .