As for the phone calls why don not you try to come to an agreement with your parents You could try to explain that it makes your life really difficult if you can not answer the phone and perhaps you could agree on a time when you can use the phone As for your boyfriend i hate to say this but he couled not have been very understanding if he stopped seeing you just because you can not speak to him on the phone
To sum up i think you all agree that things can not go on like this Try to talk to your parents more if you know what they want and they know what you want you should all get along a lot better
Best wishes
Aunt Andrea